diff --git a/Cargo.lock b/Cargo.lock
index 6df0a5ed..802ecae4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1441,9 +1441,9 @@ dependencies = [
 
 [[package]]
 name = "solana-sha256-hasher"
-version = "2.2.1"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0037386961c0d633421f53560ad7c80675c0447cba4d1bb66d60974dd486c7ea"
+checksum = "5aa3feb32c28765f6aa1ce8f3feac30936f16c5c3f7eb73d63a5b8f6f8ecdc44"
 dependencies = [
  "sha2",
  "solana-define-syscall",
diff --git a/discriminator/Cargo.toml b/discriminator/Cargo.toml
index 1d94cab0..29fe89e1 100644
--- a/discriminator/Cargo.toml
+++ b/discriminator/Cargo.toml
@@ -14,7 +14,7 @@ borsh = ["dep:borsh"]
 borsh = { version = "1", optional = true, features = ["derive"] }
 bytemuck = { version = "1.23.1", features = ["derive"] }
 solana-program-error = "2.2.2"
-solana-sha256-hasher = "2.2.1"
+solana-sha256-hasher = "2.3.0"
 spl-discriminator-derive = { version = "0.2.0", path = "./derive" }
 
 [dev-dependencies]
diff --git a/program-error/Cargo.toml b/program-error/Cargo.toml
index fc1ca260..bfdbadc5 100644
--- a/program-error/Cargo.toml
+++ b/program-error/Cargo.toml
@@ -20,7 +20,7 @@ thiserror = "2.0"
 [dev-dependencies]
 lazy_static = "1.5"
 serial_test = "3.2"
-solana-sha256-hasher = "2.2.1"
+solana-sha256-hasher = "2.3.0"
 solana-sysvar = "2.2.2"
 
 [lib]