diff --git a/Cargo.lock b/Cargo.lock
index 98be0f19339..2017642641e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -971,9 +971,9 @@ checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 
 [[package]]
 name = "bytemuck"
-version = "1.16.0"
+version = "1.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78834c15cb5d5efe3452d58b1e8ba890dd62d21907f867f383358198e56ebca5"
+checksum = "ef657dfab802224e671f5818e9a4935f9b1957ed18e58292690cc39e7a4092a3"
 dependencies = [
  "bytemuck_derive",
 ]
diff --git a/libraries/concurrent-merkle-tree/Cargo.toml b/libraries/concurrent-merkle-tree/Cargo.toml
index 7a61b231baa..0cb3978e2de 100644
--- a/libraries/concurrent-merkle-tree/Cargo.toml
+++ b/libraries/concurrent-merkle-tree/Cargo.toml
@@ -13,7 +13,7 @@ sol-log = [ "log" ]
 
 [dependencies]
 solana-program = "1.16"
-bytemuck = "1.16"
+bytemuck = "1.21"
 thiserror = "1.0.60"
 
 [dev-dependencies]
diff --git a/libraries/discriminator/Cargo.toml b/libraries/discriminator/Cargo.toml
index 0f3f003f9e5..6cfb92ba3dc 100644
--- a/libraries/discriminator/Cargo.toml
+++ b/libraries/discriminator/Cargo.toml
@@ -12,7 +12,7 @@ borsh = ["dep:borsh"]
 
 [dependencies]
 borsh = { version = "1", optional = true }
-bytemuck = { version = "1.16.0", features = ["derive"] }
+bytemuck = { version = "1.21.0", features = ["derive"] }
 solana-program = ">=1.18.11,<=2"
 spl-discriminator-derive = { version = "0.2.0", path = "./derive" }
 
diff --git a/libraries/pod/Cargo.toml b/libraries/pod/Cargo.toml
index 79b095865bc..05d39beb76c 100644
--- a/libraries/pod/Cargo.toml
+++ b/libraries/pod/Cargo.toml
@@ -14,7 +14,7 @@ borsh = ["dep:borsh"]
 [dependencies]
 base64 = { version = "0.22.1", optional = true }
 borsh = { version = "1.5.0", optional = true }
-bytemuck = { version = "1.16.0" }
+bytemuck = { version = "1.21.0" }
 serde = { version = "1.0.202", optional = true }
 solana-program = ">=1.18.11,<=2"
 solana-zk-token-sdk = ">=1.18.11,<=2"
diff --git a/libraries/tlv-account-resolution/Cargo.toml b/libraries/tlv-account-resolution/Cargo.toml
index 31334fb8d73..cb718cbd6bf 100644
--- a/libraries/tlv-account-resolution/Cargo.toml
+++ b/libraries/tlv-account-resolution/Cargo.toml
@@ -12,7 +12,7 @@ serde-traits = ["dep:serde"]
 test-sbf = []
 
 [dependencies]
-bytemuck = { version = "1.16.0", features = ["derive"] }
+bytemuck = { version = "1.21.0", features = ["derive"] }
 serde = { version = "1.0.202", optional = true }
 solana-program = ">=1.18.11,<=2"
 spl-discriminator = { version = "0.2.2", path = "../discriminator" }
diff --git a/libraries/type-length-value/Cargo.toml b/libraries/type-length-value/Cargo.toml
index bf630f97c9a..0c1671b0e20 100644
--- a/libraries/type-length-value/Cargo.toml
+++ b/libraries/type-length-value/Cargo.toml
@@ -12,7 +12,7 @@ exclude = ["js/**"]
 derive = ["dep:spl-type-length-value-derive"]
 
 [dependencies]
-bytemuck = { version = "1.16.0", features = ["derive"] }
+bytemuck = { version = "1.21.0", features = ["derive"] }
 solana-program = ">=1.18.11,<=2"
 spl-discriminator = { version = "0.2.2", path = "../discriminator" }
 spl-program-error = { version = "0.4.0", path = "../program-error" }
diff --git a/record/program/Cargo.toml b/record/program/Cargo.toml
index 208b35b9c75..3ee76450649 100644
--- a/record/program/Cargo.toml
+++ b/record/program/Cargo.toml
@@ -12,7 +12,7 @@ no-entrypoint = []
 test-sbf = []
 
 [dependencies]
-bytemuck = { version = "1.16.0", features = ["derive"] }
+bytemuck = { version = "1.21.0", features = ["derive"] }
 num-derive = "0.4"
 num-traits = "0.2"
 solana-program = ">=1.18.11,<=2"
diff --git a/stake-pool/program/Cargo.toml b/stake-pool/program/Cargo.toml
index 031f5ac2c51..ef37b65c135 100644
--- a/stake-pool/program/Cargo.toml
+++ b/stake-pool/program/Cargo.toml
@@ -14,7 +14,7 @@ test-sbf = []
 [dependencies]
 arrayref = "0.3.7"
 borsh = "1.5.0"
-bytemuck = "1.16"
+bytemuck = "1.21"
 num-derive = "0.4"
 num-traits = "0.2"
 num_enum = "0.7.2"
diff --git a/token-group/interface/Cargo.toml b/token-group/interface/Cargo.toml
index f06024adea9..71a7d23fd9c 100644
--- a/token-group/interface/Cargo.toml
+++ b/token-group/interface/Cargo.toml
@@ -8,7 +8,7 @@ license = "Apache-2.0"
 edition = "2021"
 
 [dependencies]
-bytemuck = "1.16.0"
+bytemuck = "1.21.0"
 solana-program = ">=1.18.11,<=2"
 spl-discriminator = { version = "0.2.2" , path = "../../libraries/discriminator" }
 spl-pod = { version = "0.2.2" , path = "../../libraries/pod", features = ["borsh"] }
diff --git a/token-lending/program/Cargo.toml b/token-lending/program/Cargo.toml
index b81bcca0a1d..17fbd19ccb8 100644
--- a/token-lending/program/Cargo.toml
+++ b/token-lending/program/Cargo.toml
@@ -13,7 +13,7 @@ test-sbf = []
 
 [dependencies]
 arrayref = "0.3.7"
-bytemuck = "1.16.0"
+bytemuck = "1.21.0"
 num-derive = "0.4"
 num-traits = "0.2"
 solana-program = ">=1.18.11,<=2"
diff --git a/token-wrap/program/Cargo.toml b/token-wrap/program/Cargo.toml
index 6cb411609a4..39da6f29449 100644
--- a/token-wrap/program/Cargo.toml
+++ b/token-wrap/program/Cargo.toml
@@ -12,7 +12,7 @@ no-entrypoint = []
 test-sbf = []
 
 [dependencies]
-bytemuck = { version = "1.16.0", features = ["derive"] }
+bytemuck = { version = "1.21.0", features = ["derive"] }
 num_enum = "0.7"
 solana-program = ">=1.18.11,<=2"
 spl-associated-token-account = { version = "3.0.2", path = "../../associated-token-account/program", features = ["no-entrypoint"] }
diff --git a/token/program-2022/Cargo.toml b/token/program-2022/Cargo.toml
index 28d0e0a2534..8fdd6032bec 100644
--- a/token/program-2022/Cargo.toml
+++ b/token/program-2022/Cargo.toml
@@ -22,7 +22,7 @@ confidential-hook = []
 
 [dependencies]
 arrayref = "0.3.7"
-bytemuck = { version = "1.16.0", features = ["derive"] }
+bytemuck = { version = "1.21.0", features = ["derive"] }
 num-derive = "0.4"
 num-traits = "0.2"
 num_enum = "0.7.2"
diff --git a/token/program/Cargo.toml b/token/program/Cargo.toml
index 1ff5b084308..2e670902f69 100644
--- a/token/program/Cargo.toml
+++ b/token/program/Cargo.toml
@@ -14,7 +14,7 @@ test-sbf = []
 
 [dependencies]
 arrayref = "0.3.7"
-bytemuck = "1.16.0"
+bytemuck = "1.21.0"
 num-derive = "0.4"
 num-traits = "0.2"
 num_enum = "0.7.2"
diff --git a/token/transfer-hook/interface/Cargo.toml b/token/transfer-hook/interface/Cargo.toml
index 224e6ab5e16..729154e1184 100644
--- a/token/transfer-hook/interface/Cargo.toml
+++ b/token/transfer-hook/interface/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 
 [dependencies]
 arrayref = "0.3.7"
-bytemuck = { version = "1.16.0", features = ["derive"] }
+bytemuck = { version = "1.21.0", features = ["derive"] }
 solana-program = ">=1.18.11,<=2"
 spl-discriminator = { version = "0.2.2" , path = "../../../libraries/discriminator" }
 spl-program-error = { version = "0.4.0" , path = "../../../libraries/program-error" }