diff --git a/Cargo.lock b/Cargo.lock
index 8ff59bf..a381138 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2554,7 +2554,7 @@ dependencies = [
  "solana-cpi 2.2.1",
  "solana-instruction 2.3.0",
  "solana-program-error 2.2.2",
- "solana-pubkey 2.4.0",
+ "solana-pubkey 3.0.0",
  "thiserror 2.0.17",
 ]
 
diff --git a/clients/rust/Cargo.toml b/clients/rust/Cargo.toml
index 36c618e..89e0cef 100644
--- a/clients/rust/Cargo.toml
+++ b/clients/rust/Cargo.toml
@@ -20,7 +20,7 @@ solana-account-info = "^2"
 solana-cpi = "^2"
 solana-instruction = "^2"
 solana-program-error = "^2"
-solana-pubkey = "^2"
+solana-pubkey = "^3"
 thiserror = "^2.0"
 
 [dev-dependencies]