diff --git a/Cargo.toml b/Cargo.toml
index f41764b5816..e213f8167ff 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -216,7 +216,7 @@ aya = "0.13"
 aya-ebpf = "0.1.1"
 base64 = "0.22.1"
 bencher = "0.1.5"
-bincode = "1.3.3"
+bincode = "3.0.0"
 bitflags = { version = "2.11.0" }
 bitvec = { version = "1.0.1", features = ["serde"] }
 blake3 = "1.8.4"
diff --git a/dev-bins/Cargo.lock b/dev-bins/Cargo.lock
index fd4e82d21ca..f44e01a5a19 100644
--- a/dev-bins/Cargo.lock
+++ b/dev-bins/Cargo.lock
@@ -228,7 +228,7 @@ name = "agave-precompiles"
 version = "4.1.0-alpha.0"
 dependencies = [
  "agave-feature-set",
- "bincode",
+ "bincode 3.0.0",
  "ed25519-dalek 1.0.1",
  "libsecp256k1",
  "openssl",
@@ -286,7 +286,7 @@ name = "agave-snapshots"
 version = "4.1.0-alpha.0"
 dependencies = [
  "agave-fs",
- "bincode",
+ "bincode 3.0.0",
  "bzip2",
  "crossbeam-channel",
  "log",
@@ -346,7 +346,7 @@ dependencies = [
  "agave-logger",
  "agave-math-utils",
  "agave-votor-messages",
- "bincode",
+ "bincode 3.0.0",
  "bitvec",
  "crossbeam-channel",
  "itertools 0.14.0",
@@ -1126,6 +1126,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bincode"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd6a120d2e16b3e1b4a24bd70f23b12d3e16b81f113364a26935f8db7245452d"
+
 [[package]]
 name = "bindgen"
 version = "0.72.1"
@@ -6097,7 +6103,7 @@ version = "4.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2bbea62563f5143b29fff5aa6af57426bc1beb77c6416b5c1c8e7d1266272c21"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "qualifier_attr",
  "serde",
  "serde_bytes",
@@ -6116,7 +6122,7 @@ version = "4.1.0-alpha.0"
 dependencies = [
  "Inflector",
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "bs58",
  "bv",
  "serde",
@@ -6267,7 +6273,7 @@ version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "115b4f773acc4f3f3cb986b0d335e9845c0368c82b0940410935bc11ae065578"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "bytemuck",
  "serde",
  "serde_derive",
@@ -6337,7 +6343,7 @@ name = "solana-banks-server"
 version = "4.1.0-alpha.0"
 dependencies = [
  "agave-feature-set",
- "bincode",
+ "bincode 3.0.0",
  "crossbeam-channel",
  "futures 0.3.32",
  "solana-account 4.2.0",
@@ -6441,7 +6447,7 @@ version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "278a1a5bad62cd9da89ac8d4b7ec444e83caa8ae96aa656dfc27684b28d49a5d"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "serde_core",
  "solana-instruction-error",
 ]
@@ -6534,7 +6540,7 @@ dependencies = [
 name = "solana-bpf-loader-program"
 version = "4.1.0-alpha.0"
 dependencies = [
- "bincode",
+ "bincode 3.0.0",
  "qualifier_attr",
  "solana-account 4.2.0",
  "solana-bincode",
@@ -6686,7 +6692,7 @@ name = "solana-client"
 version = "4.1.0-alpha.0"
 dependencies = [
  "async-trait",
- "bincode",
+ "bincode 3.0.0",
  "dashmap",
  "futures-util",
  "indicatif",
@@ -6820,7 +6826,7 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "63e401ae56aed512821cc7a0adaa412ff97fecd2dff4602be7b1330d2daec0c4"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "serde",
  "serde_derive",
  "solana-account 3.4.0",
@@ -6870,7 +6876,7 @@ dependencies = [
  "arrayvec",
  "assert_matches",
  "async-trait",
- "bincode",
+ "bincode 3.0.0",
  "bytes",
  "chrono",
  "crossbeam-channel",
@@ -7208,7 +7214,7 @@ version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd7545e02f91da1d6996f32b18f7796aa01e0682f8f3a7434b82cd1a10448add"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "serde",
  "serde_derive",
  "solana-account 4.2.0",
@@ -7272,7 +7278,7 @@ dependencies = [
  "agave-logger",
  "agave-snapshots",
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "clap 2.34.0",
  "itertools 0.14.0",
  "serde",
@@ -7317,7 +7323,7 @@ version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5415e781581524a972a3de931d1716d90c0ee08beaa1f34e3108339caf9ee450"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "chrono",
  "memmap2 0.5.10",
  "serde",
@@ -7394,7 +7400,7 @@ dependencies = [
  "arc-swap",
  "arrayvec",
  "assert_matches",
- "bincode",
+ "bincode 3.0.0",
  "bv",
  "crossbeam-channel",
  "flate2",
@@ -7500,7 +7506,7 @@ version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37ebb0ffd19263051bc3f683fcc086134b8ff23af894dcb63f7563c7137b42f1"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "borsh",
  "serde",
  "serde_derive",
@@ -7616,7 +7622,7 @@ dependencies = [
  "agave-votor-messages",
  "anyhow",
  "assert_matches",
- "bincode",
+ "bincode 3.0.0",
  "bitflags 2.11.0",
  "bytes",
  "bzip2",
@@ -7900,7 +7906,7 @@ checksum = "ae8dd4c280dca9d046139eb5b7a5ac9ad10403fbd64964c7d7571214950d758f"
 name = "solana-net-utils"
 version = "4.1.0-alpha.0"
 dependencies = [
- "bincode",
+ "bincode 3.0.0",
  "bytes",
  "cfg-if 1.0.4",
  "dashmap",
@@ -7990,7 +7996,7 @@ version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ad62e1045c2347a0c0e219a6ceb0abfe904be622920996bfcac8d116fabe3c7"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "bitflags 2.11.0",
  "cfg_eval",
  "serde",
@@ -8005,7 +8011,7 @@ version = "4.1.0-alpha.0"
 dependencies = [
  "agave-transaction-view",
  "ahash 0.8.12",
- "bincode",
+ "bincode 3.0.0",
  "bytes",
  "caps",
  "libc",
@@ -8107,7 +8113,7 @@ dependencies = [
 name = "solana-program-binaries"
 version = "4.1.0-alpha.0"
 dependencies = [
- "bincode",
+ "bincode 3.0.0",
  "solana-account 4.2.0",
  "solana-loader-v3-interface",
  "solana-pubkey 4.2.0",
@@ -8166,7 +8172,7 @@ name = "solana-program-runtime"
 version = "4.1.0-alpha.0"
 dependencies = [
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "cfg-if 1.0.4",
  "itertools 0.14.0",
  "log",
@@ -8215,7 +8221,7 @@ dependencies = [
  "assert_matches",
  "async-trait",
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "chrono-humanize",
  "log",
  "serde",
@@ -8472,7 +8478,7 @@ version = "4.1.0-alpha.0"
 dependencies = [
  "async-trait",
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "bs58",
  "futures 0.3.32",
  "indicatif",
@@ -8577,7 +8583,7 @@ dependencies = [
  "arrayref",
  "assert_matches",
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "bytemuck",
  "crossbeam-channel",
  "dashmap",
@@ -9003,7 +9009,7 @@ version = "4.1.0-alpha.0"
 dependencies = [
  "agave-reserved-account-keys",
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "bzip2",
  "enum-iterator",
  "flate2",
@@ -9038,7 +9044,7 @@ dependencies = [
 name = "solana-storage-proto"
 version = "4.1.0-alpha.0"
 dependencies = [
- "bincode",
+ "bincode 3.0.0",
  "bs58",
  "prost 0.14.3",
  "protobuf-src",
@@ -9176,7 +9182,7 @@ name = "solana-svm-test-harness-fixture"
 version = "4.1.0-alpha.0"
 dependencies = [
  "agave-feature-set",
- "bincode",
+ "bincode 3.0.0",
  "prost 0.14.3",
  "prost-build 0.14.3",
  "protosol",
@@ -9194,7 +9200,7 @@ version = "4.1.0-alpha.0"
 dependencies = [
  "agave-feature-set",
  "agave-precompiles",
- "bincode",
+ "bincode 3.0.0",
  "env_logger",
  "prost 0.14.3",
  "solana-account 4.2.0",
@@ -9254,7 +9260,7 @@ dependencies = [
 name = "solana-syscalls"
 version = "4.1.0-alpha.0"
 dependencies = [
- "bincode",
+ "bincode 3.0.0",
  "libsecp256k1",
  "num-traits",
  "solana-account 4.2.0",
@@ -9325,7 +9331,7 @@ dependencies = [
 name = "solana-system-program"
 version = "4.1.0-alpha.0"
 dependencies = [
- "bincode",
+ "bincode 3.0.0",
  "log",
  "solana-account 4.2.0",
  "solana-bincode",
@@ -9365,7 +9371,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1632b69b4f72489db5949a10e8308c229dfa003f99ecaa7477b376807c7b81f4"
 dependencies = [
  "base64 0.22.1",
- "bincode",
+ "bincode 1.3.3",
  "lazy_static",
  "serde",
  "serde_derive",
@@ -9408,7 +9414,7 @@ dependencies = [
  "agave-snapshots",
  "arc-swap",
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "crossbeam-channel",
  "log",
  "serde_json",
@@ -9581,7 +9587,7 @@ dependencies = [
 name = "solana-transaction-context"
 version = "4.1.0-alpha.0"
 dependencies = [
- "bincode",
+ "bincode 3.0.0",
  "serde",
  "solana-account 4.2.0",
  "solana-instruction",
@@ -9613,7 +9619,7 @@ dependencies = [
  "Inflector",
  "agave-reserved-account-keys",
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "borsh",
  "bs58",
  "serde",
@@ -9651,7 +9657,7 @@ name = "solana-transaction-status-client-types"
 version = "4.1.0-alpha.0"
 dependencies = [
  "base64 0.22.1",
- "bincode",
+ "bincode 3.0.0",
  "bs58",
  "serde",
  "serde_json",
@@ -9793,7 +9799,7 @@ dependencies = [
 name = "solana-vote"
 version = "4.1.0-alpha.0"
 dependencies = [
- "bincode",
+ "bincode 3.0.0",
  "log",
  "qualifier_attr",
  "rand 0.9.4",
@@ -9822,7 +9828,7 @@ version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d495cb001d3373229ba523625783e5168707f70a9c38ddc90fbc5b0470d600ea"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "cfg_eval",
  "num-derive",
  "num-traits",
@@ -9847,7 +9853,7 @@ name = "solana-vote-program"
 version = "4.1.0-alpha.0"
 dependencies = [
  "agave-feature-set",
- "bincode",
+ "bincode 3.0.0",
  "log",
  "solana-account 4.2.0",
  "solana-bincode",
@@ -9898,7 +9904,7 @@ checksum = "9602bcb1f7af15caef92b91132ec2347e1c51a72ecdbefdaefa3eac4b8711475"
 dependencies = [
  "aes-gcm-siv",
  "base64 0.22.1",
- "bincode",
+ "bincode 1.3.3",
  "bytemuck",
  "bytemuck_derive",
  "curve25519-dalek 4.1.3",
@@ -9935,7 +9941,7 @@ checksum = "09670ff59f60e6ddc2209c2e4353992a9b9f01d4e244f3e9d67bd5146e33d388"
 dependencies = [
  "aes-gcm-siv",
  "base64 0.22.1",
- "bincode",
+ "bincode 1.3.3",
  "bytemuck",
  "bytemuck_derive",
  "curve25519-dalek 4.1.3",
@@ -10637,7 +10643,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "911a61637386b789af998ee23f50aa30d5fd7edcec8d6d3dedae5e5815205466"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "bytes",
  "educe 0.4.23",
  "futures-core",
diff --git a/dev-bins/Cargo.toml b/dev-bins/Cargo.toml
index 686813f6f72..5e40141a9f6 100644
--- a/dev-bins/Cargo.toml
+++ b/dev-bins/Cargo.toml
@@ -57,7 +57,7 @@ agave-reserved-account-keys = { path = "../reserved-account-keys", version = "=4
 agave-snapshots = { path = "../snapshots", version = "=4.1.0-alpha.0", features = ["agave-unstable-api"] }
 ahash = "0.8.11"
 assert_cmd = "2.2.0"
-bincode = "1.3.3"
+bincode = "3.0.0"
 chrono = { version = "0.4.42", default-features = false }
 clap = { version = "2.33.1", default-features = false, features = ["suggestions"] }
 crossbeam-channel = "0.5.15"