diff --git a/Project.toml b/Project.toml
index 3c6126b7c0..d672c007c2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -89,6 +89,7 @@ ConstructionBase = "1"
 DataInterpolations = "6.4"
 DataStructures = "0.17, 0.18"
 DeepDiffs = "1"
+DelayDiffEq = "5.50"
 DiffEqBase = "6.157"
 DiffEqCallbacks = "2.16, 3, 4"
 DiffEqNoiseProcess = "5"
@@ -117,7 +118,7 @@ Libdl = "1"
 LinearAlgebra = "1"
 MLStyle = "0.4.17"
 NaNMath = "0.3, 1"
-NonlinearSolve = "3.14, 4"
+NonlinearSolve = "4.3"
 OffsetArrays = "1"
 OrderedCollections = "1"
 OrdinaryDiffEq = "6.82.0"
@@ -129,7 +130,7 @@ RecursiveArrayTools = "3.26"
 Reexport = "0.2, 1"
 RuntimeGeneratedFunctions = "0.5.9"
 SCCNonlinearSolve = "1.0.0"
-SciMLBase = "2.66"
+SciMLBase = "2.68.1"
 SciMLStructures = "1.0"
 Serialization = "1"
 Setfield = "0.7, 0.8, 1"
@@ -137,7 +138,9 @@ SimpleNonlinearSolve = "0.1.0, 1, 2"
 SparseArrays = "1"
 SpecialFunctions = "0.7, 0.8, 0.9, 0.10, 1.0, 2"
 StaticArrays = "0.10, 0.11, 0.12, 1.0"
-SymbolicIndexingInterface = "0.3.35"
+StochasticDiffEq = "6.72.1"
+StochasticDelayDiffEq = "1.8.1"
+SymbolicIndexingInterface = "0.3.36"
 SymbolicUtils = "3.7"
 Symbolics = "6.19"
 URIs = "1"