diff --git a/Lottie.xcodeproj/project.pbxproj b/Lottie.xcodeproj/project.pbxproj
index bdbcdbc5cf..ecf635e999 100644
--- a/Lottie.xcodeproj/project.pbxproj
+++ b/Lottie.xcodeproj/project.pbxproj
@@ -3229,6 +3229,7 @@
 				MARKETING_VERSION = 1.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++17";
+				OTHER_SWIFT_FLAGS = "-warnings-as-errors";
 				PRODUCT_BUNDLE_IDENTIFIER = com.airbnb.Lottie;
 				PRODUCT_NAME = Lottie;
 				SKIP_INSTALL = YES;
@@ -3262,6 +3263,7 @@
 				MARKETING_VERSION = 1.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++17";
+				OTHER_SWIFT_FLAGS = "-warnings-as-errors";
 				PRODUCT_BUNDLE_IDENTIFIER = com.airbnb.Lottie;
 				PRODUCT_NAME = Lottie;
 				SKIP_INSTALL = YES;
@@ -3334,6 +3336,7 @@
 				MARKETING_VERSION = 1.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++17";
+				OTHER_SWIFT_FLAGS = "-warnings-as-errors";
 				PRODUCT_BUNDLE_IDENTIFIER = com.airbnb.Lottie;
 				PRODUCT_NAME = Lottie;
 				SDKROOT = macosx;
@@ -3368,6 +3371,7 @@
 				MARKETING_VERSION = 1.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++17";
+				OTHER_SWIFT_FLAGS = "-warnings-as-errors";
 				PRODUCT_BUNDLE_IDENTIFIER = com.airbnb.Lottie;
 				PRODUCT_NAME = Lottie;
 				SDKROOT = macosx;
@@ -3400,6 +3404,7 @@
 				MARKETING_VERSION = 1.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++17";
+				OTHER_SWIFT_FLAGS = "-warnings-as-errors";
 				PRODUCT_BUNDLE_IDENTIFIER = com.airbnb.Lottie;
 				PRODUCT_NAME = Lottie;
 				SDKROOT = appletvos;
@@ -3434,6 +3439,7 @@
 				MARKETING_VERSION = 1.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++17";
+				OTHER_SWIFT_FLAGS = "-warnings-as-errors";
 				PRODUCT_BUNDLE_IDENTIFIER = com.airbnb.Lottie;
 				PRODUCT_NAME = Lottie;
 				SDKROOT = appletvos;
diff --git a/Sources/Private/Model/Assets/Asset.swift b/Sources/Private/Model/Assets/Asset.swift
index d610b1ce55..9fcfcb6a41 100644
--- a/Sources/Private/Model/Assets/Asset.swift
+++ b/Sources/Private/Model/Assets/Asset.swift
@@ -7,6 +7,8 @@
 
 import Foundation
 
+// MARK: - Asset
+
 public class Asset: Codable, DictionaryInitializable {
 
   // MARK: Lifecycle
@@ -41,3 +43,9 @@ public class Asset: Codable, DictionaryInitializable {
     case id
   }
 }
+
+// MARK: Sendable
+
+/// Since `Asset` isn't `final`, we have to use `@unchecked Sendable` instead of `Sendable.`
+/// All `Asset` subclasses are immutable `Sendable` values.
+extension Asset: @unchecked Sendable { }
diff --git a/Sources/Private/Model/Assets/AssetLibrary.swift b/Sources/Private/Model/Assets/AssetLibrary.swift
index ba44c3bc44..bc9d24ac65 100644
--- a/Sources/Private/Model/Assets/AssetLibrary.swift
+++ b/Sources/Private/Model/Assets/AssetLibrary.swift
@@ -7,7 +7,7 @@
 
 import Foundation
 
-final class AssetLibrary: Codable, AnyInitializable {
+final class AssetLibrary: Codable, AnyInitializable, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Assets/ImageAsset.swift b/Sources/Private/Model/Assets/ImageAsset.swift
index 52c62ab6d9..c68bbdb15d 100644
--- a/Sources/Private/Model/Assets/ImageAsset.swift
+++ b/Sources/Private/Model/Assets/ImageAsset.swift
@@ -9,7 +9,7 @@ import Foundation
 
 // MARK: - ImageAsset
 
-public final class ImageAsset: Asset {
+public final class ImageAsset: Asset, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Assets/PrecompAsset.swift b/Sources/Private/Model/Assets/PrecompAsset.swift
index e26ee7af54..72037617e9 100644
--- a/Sources/Private/Model/Assets/PrecompAsset.swift
+++ b/Sources/Private/Model/Assets/PrecompAsset.swift
@@ -7,7 +7,7 @@
 
 import Foundation
 
-final class PrecompAsset: Asset {
+final class PrecompAsset: Asset, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Keyframes/KeyframeGroup.swift b/Sources/Private/Model/Keyframes/KeyframeGroup.swift
index 8fca5380f6..a19b6bc8d9 100644
--- a/Sources/Private/Model/Keyframes/KeyframeGroup.swift
+++ b/Sources/Private/Model/Keyframes/KeyframeGroup.swift
@@ -203,6 +203,10 @@ extension KeyframeGroup: Hashable where T: Hashable {
   }
 }
 
+// MARK: Sendable
+
+extension KeyframeGroup: Sendable where T: Sendable { }
+
 extension Keyframe {
   /// Creates a copy of this `Keyframe` with the same timing data, but a different value
   func withValue<Value>(_ newValue: Value) -> Keyframe<Value> {
diff --git a/Sources/Private/Model/Layers/ImageLayerModel.swift b/Sources/Private/Model/Layers/ImageLayerModel.swift
index 91ea324799..c29534e1f7 100644
--- a/Sources/Private/Model/Layers/ImageLayerModel.swift
+++ b/Sources/Private/Model/Layers/ImageLayerModel.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// A layer that holds an image.
-final class ImageLayerModel: LayerModel {
+final class ImageLayerModel: LayerModel, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Layers/LayerModel.swift b/Sources/Private/Model/Layers/LayerModel.swift
index 5fc3807f61..43c629cb13 100644
--- a/Sources/Private/Model/Layers/LayerModel.swift
+++ b/Sources/Private/Model/Layers/LayerModel.swift
@@ -226,3 +226,9 @@ extension Array where Element == LayerModel {
     }
   }
 }
+
+// MARK: - LayerModel + Sendable
+
+/// Since `LayerModel` isn't `final`, we have to use `@unchecked Sendable` instead of `Sendable.`
+/// All `LayerModel` subclasses are immutable `Sendable` values.
+extension LayerModel: @unchecked Sendable { }
diff --git a/Sources/Private/Model/Layers/PreCompLayerModel.swift b/Sources/Private/Model/Layers/PreCompLayerModel.swift
index e1cb11c64f..b394c50143 100644
--- a/Sources/Private/Model/Layers/PreCompLayerModel.swift
+++ b/Sources/Private/Model/Layers/PreCompLayerModel.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// A layer that holds another animation composition.
-final class PreCompLayerModel: LayerModel {
+final class PreCompLayerModel: LayerModel, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Layers/ShapeLayerModel.swift b/Sources/Private/Model/Layers/ShapeLayerModel.swift
index b9562ad420..74cfae91d3 100644
--- a/Sources/Private/Model/Layers/ShapeLayerModel.swift
+++ b/Sources/Private/Model/Layers/ShapeLayerModel.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// A layer that holds vector shape objects.
-final class ShapeLayerModel: LayerModel {
+final class ShapeLayerModel: LayerModel, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Layers/SolidLayerModel.swift b/Sources/Private/Model/Layers/SolidLayerModel.swift
index 9ad232a238..ded8b94a04 100644
--- a/Sources/Private/Model/Layers/SolidLayerModel.swift
+++ b/Sources/Private/Model/Layers/SolidLayerModel.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// A layer that holds a solid color.
-final class SolidLayerModel: LayerModel {
+final class SolidLayerModel: LayerModel, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Layers/TextLayerModel.swift b/Sources/Private/Model/Layers/TextLayerModel.swift
index 0dc6f0e09f..65ab4010c1 100644
--- a/Sources/Private/Model/Layers/TextLayerModel.swift
+++ b/Sources/Private/Model/Layers/TextLayerModel.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// A layer that holds text.
-final class TextLayerModel: LayerModel {
+final class TextLayerModel: LayerModel, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Objects/Marker.swift b/Sources/Private/Model/Objects/Marker.swift
index d981a2cd0c..f689f9e58c 100644
--- a/Sources/Private/Model/Objects/Marker.swift
+++ b/Sources/Private/Model/Objects/Marker.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// A time marker
-final class Marker: Codable, DictionaryInitializable {
+final class Marker: Codable, Sendable, DictionaryInitializable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Ellipse.swift b/Sources/Private/Model/ShapeItems/Ellipse.swift
index df8528605b..15b1146bd0 100644
--- a/Sources/Private/Model/ShapeItems/Ellipse.swift
+++ b/Sources/Private/Model/ShapeItems/Ellipse.swift
@@ -17,7 +17,7 @@ enum PathDirection: Int, Codable {
 
 // MARK: - Ellipse
 
-final class Ellipse: ShapeItem {
+final class Ellipse: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Fill.swift b/Sources/Private/Model/ShapeItems/Fill.swift
index f22dcfdfb4..621f64a785 100644
--- a/Sources/Private/Model/ShapeItems/Fill.swift
+++ b/Sources/Private/Model/ShapeItems/Fill.swift
@@ -17,7 +17,7 @@ enum FillRule: Int, Codable {
 
 // MARK: - Fill
 
-final class Fill: ShapeItem {
+final class Fill: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/GradientFill.swift b/Sources/Private/Model/ShapeItems/GradientFill.swift
index 71d185655c..5b68bd6b6f 100644
--- a/Sources/Private/Model/ShapeItems/GradientFill.swift
+++ b/Sources/Private/Model/ShapeItems/GradientFill.swift
@@ -9,7 +9,7 @@ import Foundation
 
 // MARK: - GradientType
 
-enum GradientType: Int, Codable {
+enum GradientType: Int, Codable, Sendable {
   case none
   case linear
   case radial
@@ -17,7 +17,7 @@ enum GradientType: Int, Codable {
 
 // MARK: - GradientFill
 
-final class GradientFill: ShapeItem {
+final class GradientFill: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/GradientStroke.swift b/Sources/Private/Model/ShapeItems/GradientStroke.swift
index f29b1c6a08..ad208e0dd8 100644
--- a/Sources/Private/Model/ShapeItems/GradientStroke.swift
+++ b/Sources/Private/Model/ShapeItems/GradientStroke.swift
@@ -9,7 +9,7 @@ import Foundation
 
 // MARK: - LineCap
 
-enum LineCap: Int, Codable {
+enum LineCap: Int, Codable, Sendable {
   case none
   case butt
   case round
@@ -18,7 +18,7 @@ enum LineCap: Int, Codable {
 
 // MARK: - LineJoin
 
-enum LineJoin: Int, Codable {
+enum LineJoin: Int, Codable, Sendable {
   case none
   case miter
   case round
@@ -27,7 +27,7 @@ enum LineJoin: Int, Codable {
 
 // MARK: - GradientStroke
 
-final class GradientStroke: ShapeItem {
+final class GradientStroke: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Group.swift b/Sources/Private/Model/ShapeItems/Group.swift
index e95210906e..3eecd410e5 100644
--- a/Sources/Private/Model/ShapeItems/Group.swift
+++ b/Sources/Private/Model/ShapeItems/Group.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// An item that define a a group of shape items
-final class Group: ShapeItem {
+final class Group: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Merge.swift b/Sources/Private/Model/ShapeItems/Merge.swift
index 3b35e8b1c9..8fc5f761d0 100644
--- a/Sources/Private/Model/ShapeItems/Merge.swift
+++ b/Sources/Private/Model/ShapeItems/Merge.swift
@@ -9,7 +9,7 @@ import Foundation
 
 // MARK: - MergeMode
 
-enum MergeMode: Int, Codable {
+enum MergeMode: Int, Codable, Sendable {
   case none
   case merge
   case add
@@ -20,7 +20,7 @@ enum MergeMode: Int, Codable {
 
 // MARK: - Merge
 
-final class Merge: ShapeItem {
+final class Merge: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Rectangle.swift b/Sources/Private/Model/ShapeItems/Rectangle.swift
index e268334a73..0940d99e24 100644
--- a/Sources/Private/Model/ShapeItems/Rectangle.swift
+++ b/Sources/Private/Model/ShapeItems/Rectangle.swift
@@ -7,7 +7,7 @@
 
 import Foundation
 
-final class Rectangle: ShapeItem {
+final class Rectangle: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Repeater.swift b/Sources/Private/Model/ShapeItems/Repeater.swift
index 0980ebdd57..2280aecc1f 100644
--- a/Sources/Private/Model/ShapeItems/Repeater.swift
+++ b/Sources/Private/Model/ShapeItems/Repeater.swift
@@ -7,7 +7,7 @@
 
 import Foundation
 
-final class Repeater: ShapeItem {
+final class Repeater: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/RoundedCorners.swift b/Sources/Private/Model/ShapeItems/RoundedCorners.swift
index e2c1b68eb4..6572ba2cf4 100644
--- a/Sources/Private/Model/ShapeItems/RoundedCorners.swift
+++ b/Sources/Private/Model/ShapeItems/RoundedCorners.swift
@@ -9,7 +9,7 @@ import Foundation
 
 // MARK: - RoundedCorners
 
-final class RoundedCorners: ShapeItem {
+final class RoundedCorners: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Shape.swift b/Sources/Private/Model/ShapeItems/Shape.swift
index c1eeb66e68..fea42d0e63 100644
--- a/Sources/Private/Model/ShapeItems/Shape.swift
+++ b/Sources/Private/Model/ShapeItems/Shape.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// An item that defines an custom shape
-final class Shape: ShapeItem {
+final class Shape: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/ShapeItem.swift b/Sources/Private/Model/ShapeItems/ShapeItem.swift
index a22f50ba3f..0738c93234 100644
--- a/Sources/Private/Model/ShapeItems/ShapeItem.swift
+++ b/Sources/Private/Model/ShapeItems/ShapeItem.swift
@@ -52,7 +52,7 @@ extension ShapeType: ClassFamily {
 
 // MARK: - ShapeType
 
-enum ShapeType: String, Codable {
+enum ShapeType: String, Codable, Sendable {
   case ellipse = "el"
   case fill = "fl"
   case gradientFill = "gf"
@@ -165,3 +165,9 @@ extension Array where Element == ShapeItem {
     }
   }
 }
+
+// MARK: - ShapeItem + Sendable
+
+/// Since `ShapeItem` isn't `final`, we have to use `@unchecked Sendable` instead of `Sendable.`
+/// All `ShapeItem` subclasses are immutable `Sendable` values.
+extension ShapeItem: @unchecked Sendable { }
diff --git a/Sources/Private/Model/ShapeItems/ShapeTransform.swift b/Sources/Private/Model/ShapeItems/ShapeTransform.swift
index 797b761537..2ac62353f2 100644
--- a/Sources/Private/Model/ShapeItems/ShapeTransform.swift
+++ b/Sources/Private/Model/ShapeItems/ShapeTransform.swift
@@ -7,7 +7,7 @@
 
 import Foundation
 
-final class ShapeTransform: ShapeItem {
+final class ShapeTransform: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Star.swift b/Sources/Private/Model/ShapeItems/Star.swift
index e13e47a0d6..aa902df511 100644
--- a/Sources/Private/Model/ShapeItems/Star.swift
+++ b/Sources/Private/Model/ShapeItems/Star.swift
@@ -9,7 +9,7 @@ import Foundation
 
 // MARK: - StarType
 
-enum StarType: Int, Codable {
+enum StarType: Int, Codable, Sendable {
   case none
   case star
   case polygon
@@ -17,7 +17,7 @@ enum StarType: Int, Codable {
 
 // MARK: - Star
 
-final class Star: ShapeItem {
+final class Star: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Stroke.swift b/Sources/Private/Model/ShapeItems/Stroke.swift
index 87a1728e68..c224fd4c64 100644
--- a/Sources/Private/Model/ShapeItems/Stroke.swift
+++ b/Sources/Private/Model/ShapeItems/Stroke.swift
@@ -7,7 +7,7 @@
 
 import Foundation
 
-final class Stroke: ShapeItem {
+final class Stroke: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/ShapeItems/Trim.swift b/Sources/Private/Model/ShapeItems/Trim.swift
index aaa6ce4f4e..e3e0360f9c 100644
--- a/Sources/Private/Model/ShapeItems/Trim.swift
+++ b/Sources/Private/Model/ShapeItems/Trim.swift
@@ -16,7 +16,7 @@ enum TrimType: Int, Codable {
 
 // MARK: - Trim
 
-final class Trim: ShapeItem {
+final class Trim: ShapeItem, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Text/Font.swift b/Sources/Private/Model/Text/Font.swift
index c1c9869252..5e60c7d06d 100644
--- a/Sources/Private/Model/Text/Font.swift
+++ b/Sources/Private/Model/Text/Font.swift
@@ -9,7 +9,7 @@ import Foundation
 
 // MARK: - Font
 
-final class Font: Codable, DictionaryInitializable {
+final class Font: Codable, Sendable, DictionaryInitializable {
 
   // MARK: Lifecycle
 
@@ -41,7 +41,7 @@ final class Font: Codable, DictionaryInitializable {
 // MARK: - FontList
 
 /// A list of fonts
-final class FontList: Codable, DictionaryInitializable {
+final class FontList: Codable, Sendable, DictionaryInitializable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Model/Text/Glyph.swift b/Sources/Private/Model/Text/Glyph.swift
index 03a7c58e55..b11a0148ec 100644
--- a/Sources/Private/Model/Text/Glyph.swift
+++ b/Sources/Private/Model/Text/Glyph.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// A model that holds a vector character
-final class Glyph: Codable, DictionaryInitializable {
+final class Glyph: Codable, Sendable, DictionaryInitializable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Private/Utility/Primitives/VectorsExtensions.swift b/Sources/Private/Utility/Primitives/VectorsExtensions.swift
index 118b4ee758..0fb7423be9 100644
--- a/Sources/Private/Utility/Primitives/VectorsExtensions.swift
+++ b/Sources/Private/Utility/Primitives/VectorsExtensions.swift
@@ -69,7 +69,7 @@ extension Double {
 // MARK: - LottieVector2D
 
 /// Needed for decoding json {x: y:} to a CGPoint
-public struct LottieVector2D: Codable, Hashable {
+public struct LottieVector2D: Codable, Hashable, Sendable {
 
   // MARK: Lifecycle
 
diff --git a/Sources/Public/Animation/LottieAnimation.swift b/Sources/Public/Animation/LottieAnimation.swift
index 184d510bc8..bca001c912 100644
--- a/Sources/Public/Animation/LottieAnimation.swift
+++ b/Sources/Public/Animation/LottieAnimation.swift
@@ -9,7 +9,7 @@ import Foundation
 
 // MARK: - CoordinateSpace
 
-public enum CoordinateSpace: Int, Codable {
+public enum CoordinateSpace: Int, Codable, Sendable {
   case type2d
   case type3d
 }
@@ -20,7 +20,7 @@ public enum CoordinateSpace: Int, Codable {
 ///
 /// A `LottieAnimation` holds all of the animation data backing a Lottie Animation.
 /// Codable, see JSON schema [here](https://github.com/airbnb/lottie-web/tree/master/docs/json).
-public final class LottieAnimation: Codable, DictionaryInitializable {
+public final class LottieAnimation: Codable, Sendable, DictionaryInitializable {
 
   // MARK: Lifecycle
 
@@ -164,7 +164,7 @@ public final class LottieAnimation: Codable, DictionaryInitializable {
   ///  - reducedMotion
   ///  - reduced_motion
   ///  - reduced-motion
-  lazy private(set) var reducedMotionMarker: Marker? = {
+  var reducedMotionMarker: Marker? {
     let allowedReducedMotionMarkerNames = Set([
       "reduced motion",
       "reduced_motion",
@@ -175,9 +175,5 @@ public final class LottieAnimation: Codable, DictionaryInitializable {
     return markers?.first(where: { marker in
       allowedReducedMotionMarkerNames.contains(marker.name.lowercased())
     })
-  }()
+  }
 }
-
-// MARK: Sendable
-
-extension LottieAnimation: @unchecked Sendable { }
diff --git a/Sources/Public/AnimationCache/DefaultAnimationCache.swift b/Sources/Public/AnimationCache/DefaultAnimationCache.swift
index 1fb9899ae9..3504a3fa6d 100644
--- a/Sources/Public/AnimationCache/DefaultAnimationCache.swift
+++ b/Sources/Public/AnimationCache/DefaultAnimationCache.swift
@@ -49,5 +49,5 @@ public class DefaultAnimationCache: AnimationCacheProvider, @unchecked Sendable
 
   private static let defaultCacheCountLimit = 100
 
-  private var cache = NSCache<NSString, LottieAnimation>()
+  private let cache = NSCache<NSString, LottieAnimation>()
 }
diff --git a/Sources/Public/DotLottie/DotLottieFile.swift b/Sources/Public/DotLottie/DotLottieFile.swift
index 058f4572ed..3e121218a9 100644
--- a/Sources/Public/DotLottie/DotLottieFile.swift
+++ b/Sources/Public/DotLottie/DotLottieFile.swift
@@ -147,4 +147,7 @@ extension String {
 
 // MARK: - DotLottieFile + Sendable
 
+// Mark `DotLottieFile` as `@unchecked Sendable` to allow it to be used when strict concurrency is enabled.
+// In the future, it may be necessary to make changes to the internal implementation of `DotLottieFile`
+// to make it truly thread-safe.
 extension DotLottieFile: @unchecked Sendable { }
diff --git a/Sources/Public/Keyframes/Keyframe.swift b/Sources/Public/Keyframes/Keyframe.swift
index 4e63a576a1..85d6da3a95 100644
--- a/Sources/Public/Keyframes/Keyframe.swift
+++ b/Sources/Public/Keyframes/Keyframe.swift
@@ -90,3 +90,7 @@ extension Keyframe: Hashable where T: Hashable {
     hasher.combine(spatialOutTangent)
   }
 }
+
+// MARK: Sendable
+
+extension Keyframe: Sendable where T: Sendable { }
diff --git a/Sources/Public/Primitives/Vectors.swift b/Sources/Public/Primitives/Vectors.swift
index 1029ccad62..61fca480bd 100644
--- a/Sources/Public/Primitives/Vectors.swift
+++ b/Sources/Public/Primitives/Vectors.swift
@@ -9,7 +9,7 @@ import Foundation
 
 // MARK: - LottieVector1D
 
-public struct LottieVector1D: Hashable {
+public struct LottieVector1D: Hashable, Sendable {
 
   public init(_ value: Double) {
     self.value = value
@@ -23,7 +23,7 @@ public struct LottieVector1D: Hashable {
 
 /// A three dimensional vector.
 /// These vectors are encoded and decoded from [Double]
-public struct LottieVector3D: Hashable {
+public struct LottieVector3D: Hashable, Sendable {
 
   public let x: Double
   public let y: Double