diff --git a/Cargo.lock b/Cargo.lock
index db68a98a..5f110b71 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -47,7 +47,7 @@ dependencies = [
  "ahash",
  "solana-epoch-schedule",
  "solana-hash 3.1.0",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sha256-hasher",
  "solana-svm-feature-set",
 ]
@@ -76,7 +76,7 @@ dependencies = [
  "solana-poseidon",
  "solana-program-entrypoint",
  "solana-program-runtime",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sbpf",
  "solana-sdk-ids",
  "solana-secp256k1-recover",
@@ -806,6 +806,15 @@ dependencies = [
  "five8_core",
 ]
 
+[[package]]
+name = "five8_const"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a0f1728185f277989ca573a402716ae0beaaea3f76a8ff87ef9dd8fb19436c5"
+dependencies = [
+ "five8_core",
+]
+
 [[package]]
 name = "five8_core"
 version = "0.1.2"
@@ -1146,7 +1155,7 @@ dependencies = [
  "solana-precompile-error",
  "solana-program-error",
  "solana-program-runtime",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-rent",
  "solana-sdk-ids",
  "solana-slot-hashes",
@@ -1166,7 +1175,7 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea155b60511338a5a39c077a457baa8268c229629f091e3281f499b0ab3a96b4"
 dependencies = [
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "thiserror 1.0.69",
 ]
 
@@ -1179,7 +1188,7 @@ dependencies = [
  "mollusk-svm-error",
  "solana-account",
  "solana-instruction",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-transaction-context",
 ]
 
@@ -1192,7 +1201,7 @@ dependencies = [
  "mollusk-svm",
  "solana-account",
  "solana-program-pack",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-rent",
  "spl-associated-token-account-interface 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "spl-token-interface",
@@ -1207,7 +1216,7 @@ dependencies = [
  "solana-account",
  "solana-instruction",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-rent",
 ]
 
@@ -1812,7 +1821,7 @@ dependencies = [
  "solana-account-info",
  "solana-clock",
  "solana-instruction-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
  "solana-sysvar",
 ]
@@ -1825,7 +1834,7 @@ checksum = "82f4691b69b172c687d218dd2f1f23fc7ea5e9aa79df9ac26dab3d8dd829ce48"
 dependencies = [
  "solana-program-error",
  "solana-program-memory",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
 ]
 
 [[package]]
@@ -1839,7 +1848,7 @@ dependencies = [
  "bytemuck_derive",
  "curve25519-dalek",
  "five8 0.2.1",
- "five8_const",
+ "five8_const 0.1.4",
  "serde",
  "serde_derive",
  "solana-atomic-u64",
@@ -1849,6 +1858,24 @@ dependencies = [
  "solana-sha256-hasher",
 ]
 
+[[package]]
+name = "solana-address"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e37320fd2945c5d654b2c6210624a52d66c3f1f73b653ed211ab91a703b35bdd"
+dependencies = [
+ "borsh",
+ "curve25519-dalek",
+ "five8 1.0.0",
+ "five8_const 1.0.0",
+ "serde",
+ "solana-atomic-u64",
+ "solana-define-syscall 4.0.1",
+ "solana-program-error",
+ "solana-sanitize",
+ "solana-sha256-hasher",
+]
+
 [[package]]
 name = "solana-atomic-u64"
 version = "3.0.0"
@@ -1933,7 +1960,7 @@ dependencies = [
  "solana-packet",
  "solana-program-entrypoint",
  "solana-program-runtime",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sbpf",
  "solana-sdk-ids",
  "solana-svm-feature-set",
@@ -1977,7 +2004,7 @@ dependencies = [
  "solana-define-syscall 3.0.0",
  "solana-instruction",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-stable-layout",
 ]
 
@@ -2021,6 +2048,12 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f9697086a4e102d28a156b8d6b521730335d6951bd39a5e766512bbe09007cee"
 
+[[package]]
+name = "solana-define-syscall"
+version = "4.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57e5b1c0bc1d4a4d10c88a4100499d954c09d3fecfae4912c1a074dff68b1738"
+
 [[package]]
 name = "solana-derivation-path"
 version = "3.0.0"
@@ -2112,7 +2145,7 @@ dependencies = [
  "serde_derive",
  "solana-define-syscall 3.0.0",
  "solana-instruction-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
 ]
 
 [[package]]
@@ -2138,7 +2171,7 @@ dependencies = [
  "solana-instruction",
  "solana-instruction-error",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sanitize",
  "solana-sdk-ids",
  "solana-serialize-utils",
@@ -2165,7 +2198,7 @@ dependencies = [
  "ed25519-dalek",
  "five8 0.2.1",
  "rand 0.8.5",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-seed-phrase",
  "solana-signature",
  "solana-signer",
@@ -2194,7 +2227,7 @@ dependencies = [
  "serde_bytes",
  "serde_derive",
  "solana-instruction",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
 ]
 
@@ -2208,7 +2241,7 @@ dependencies = [
  "serde_bytes",
  "serde_derive",
  "solana-instruction",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
  "solana-system-interface",
 ]
@@ -2235,7 +2268,7 @@ dependencies = [
  "lazy_static",
  "solana-hash 3.1.0",
  "solana-instruction",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sanitize",
  "solana-sdk-ids",
  "solana-transaction-error",
@@ -2260,7 +2293,7 @@ dependencies = [
  "serde_derive",
  "solana-fee-calculator",
  "solana-hash 3.1.0",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sha256-hasher",
 ]
 
@@ -2316,7 +2349,7 @@ dependencies = [
  "solana-define-syscall 3.0.0",
  "solana-msg",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
 ]
 
 [[package]]
@@ -2374,7 +2407,7 @@ dependencies = [
  "solana-instruction",
  "solana-last-restart-slot",
  "solana-program-entrypoint",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-rent",
  "solana-sbpf",
  "solana-sdk-ids",
@@ -2399,7 +2432,16 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8909d399deb0851aa524420beeb5646b115fd253ef446e35fe4504c904da3941"
 dependencies = [
- "solana-address",
+ "solana-address 1.0.0",
+]
+
+[[package]]
+name = "solana-pubkey"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6f7104d456b58e1418c21a8581e89810278d1190f70f27ece7fc0b2c9282a57"
+dependencies = [
+ "solana-address 2.0.0",
 ]
 
 [[package]]
@@ -2444,7 +2486,7 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1b6d6aaf60669c592838d382266b173881c65fb1cdec83b37cb8ce7cb89f9ad"
 dependencies = [
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
 ]
 
 [[package]]
@@ -2497,7 +2539,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7665da4f6e07b58c93ef6aaf9fb6a923fd11b0922ffc53ba74c3cadfa490f26"
 dependencies = [
  "solana-instruction-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sanitize",
 ]
 
@@ -2529,7 +2571,7 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5bfea97951fee8bae0d6038f39a5efcb6230ecdfe33425ac75196d1a1e3e3235"
 dependencies = [
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-signature",
  "solana-transaction-error",
 ]
@@ -2567,7 +2609,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1da74507795b6e8fb60b7c7306c0c36e2c315805d16eaaf479452661234685ac"
 dependencies = [
  "solana-instruction",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
 ]
 
 [[package]]
@@ -2583,7 +2625,7 @@ dependencies = [
  "solana-cpi",
  "solana-instruction",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-system-interface",
  "solana-sysvar",
  "solana-sysvar-id",
@@ -2598,7 +2640,7 @@ dependencies = [
  "solana-account",
  "solana-clock",
  "solana-precompile-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
 ]
 
 [[package]]
@@ -2630,7 +2672,7 @@ checksum = "62606f820fe99b72ee8e26b8e20eed3c2ccc2f6e3146f537c4cb22a442c69170"
 dependencies = [
  "eager",
  "enum-iterator",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
 ]
 
 [[package]]
@@ -2641,7 +2683,7 @@ checksum = "336583f8418964f7050b98996e13151857995604fe057c0d8f2f3512a16d3a8b"
 dependencies = [
  "solana-hash 3.1.0",
  "solana-message",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
  "solana-signature",
  "solana-transaction",
@@ -2668,7 +2710,7 @@ dependencies = [
  "solana-instruction",
  "solana-msg",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
 ]
 
 [[package]]
@@ -2689,7 +2731,7 @@ dependencies = [
  "solana-nonce-account",
  "solana-packet",
  "solana-program-runtime",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
  "solana-svm-log-collector",
  "solana-svm-type-overrides",
@@ -2721,7 +2763,7 @@ dependencies = [
  "solana-program-entrypoint",
  "solana-program-error",
  "solana-program-memory",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-rent",
  "solana-sdk-ids",
  "solana-sdk-macro",
@@ -2736,7 +2778,7 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5051bc1a16d5d96a96bc33b5b2ec707495c48fe978097bdaba68d3c47987eb32"
 dependencies = [
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
 ]
 
@@ -2749,7 +2791,7 @@ dependencies = [
  "solana-hash 3.1.0",
  "solana-instruction",
  "solana-message",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sanitize",
  "solana-sdk-ids",
  "solana-signature",
@@ -2769,7 +2811,7 @@ dependencies = [
  "solana-account",
  "solana-instruction",
  "solana-instructions-sysvar",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-rent",
  "solana-sbpf",
  "solana-sdk-ids",
@@ -2810,7 +2852,7 @@ dependencies = [
  "sha3",
  "solana-derivation-path",
  "solana-instruction",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
  "solana-seed-derivable",
  "solana-seed-phrase",
@@ -2847,7 +2889,7 @@ dependencies = [
  "solana-msg",
  "solana-program-entrypoint",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 4.0.0",
  "solana-rent",
  "solana-sdk-ids",
  "solana-signer",
@@ -2866,7 +2908,7 @@ version = "2.0.0"
 dependencies = [
  "borsh",
  "solana-instruction",
- "solana-pubkey",
+ "solana-pubkey 4.0.0",
  "solana-sdk-ids",
 ]
 
@@ -2878,7 +2920,7 @@ checksum = "e6433917b60441d68d99a17e121d9db0ea15a9a69c0e5afa34649cf5ba12612f"
 dependencies = [
  "borsh",
  "solana-instruction",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
 ]
 
 [[package]]
@@ -2893,7 +2935,7 @@ dependencies = [
  "solana-program-error",
  "solana-program-option",
  "solana-program-pack",
- "solana-pubkey",
+ "solana-pubkey 4.0.0",
  "solana-rent",
  "solana-signer",
  "solana-system-interface",
@@ -2953,7 +2995,7 @@ dependencies = [
  "num_enum",
  "solana-program-error",
  "solana-program-option",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-zk-sdk",
  "thiserror 2.0.17",
 ]
@@ -2974,7 +3016,7 @@ dependencies = [
  "solana-program-error",
  "solana-program-option",
  "solana-program-pack",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
  "solana-zk-sdk",
  "spl-pod",
@@ -2999,7 +3041,7 @@ dependencies = [
  "solana-instructions-sysvar",
  "solana-msg",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
  "solana-zk-sdk",
  "spl-pod",
@@ -3029,7 +3071,7 @@ dependencies = [
  "num_enum",
  "solana-instruction",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "spl-discriminator",
  "spl-pod",
  "thiserror 2.0.17",
@@ -3050,7 +3092,7 @@ dependencies = [
  "solana-program-error",
  "solana-program-option",
  "solana-program-pack",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "solana-sdk-ids",
  "thiserror 2.0.17",
 ]
@@ -3067,7 +3109,7 @@ dependencies = [
  "solana-borsh",
  "solana-instruction",
  "solana-program-error",
- "solana-pubkey",
+ "solana-pubkey 3.0.0",
  "spl-discriminator",
  "spl-pod",
  "spl-type-length-value",
diff --git a/interface/Cargo.toml b/interface/Cargo.toml
index f5ca2e84..d035b8d9 100644
--- a/interface/Cargo.toml
+++ b/interface/Cargo.toml
@@ -13,7 +13,7 @@ borsh = ["dep:borsh"]
 [dependencies]
 borsh = { version = "1", optional = true, features = ["unstable__schema"] }
 solana-instruction = { version = "3.0.0", features = ["std"] }
-solana-pubkey = { version = "3.0.0", features = ["curve25519"] }
+solana-pubkey = { version = "4.0.0", features = ["curve25519"] }
 
 [dev-dependencies]
 solana-sdk-ids = "3.0.0"
diff --git a/mollusk_harness/Cargo.toml b/mollusk_harness/Cargo.toml
index 492212a3..6011d2b2 100644
--- a/mollusk_harness/Cargo.toml
+++ b/mollusk_harness/Cargo.toml
@@ -19,7 +19,7 @@ solana-keypair = "3.0"
 solana-program-error = "3.0"
 solana-program-option = "3.0"
 solana-program-pack = "3.0"
-solana-pubkey = "3.0"
+solana-pubkey = "4.0"
 solana-rent = "3.0"
 solana-signer = "3.0"
 solana-system-interface = { version = "2.0", features = ["bincode"] }
diff --git a/program/Cargo.toml b/program/Cargo.toml
index 35adf320..c7e6e77e 100644
--- a/program/Cargo.toml
+++ b/program/Cargo.toml
@@ -21,7 +21,7 @@ solana-instruction = "3.0"
 solana-msg = "3.0"
 solana-program-entrypoint = "3.0"
 solana-program-error = "3.0"
-solana-pubkey = "3.0"
+solana-pubkey = "4.0"
 solana-rent = "3.0"
 solana-sdk-ids = "3.0"
 solana-system-interface = { version = "2.0", features = ["bincode"] }