diff --git a/contracts/programs/contracts/Cargo.toml b/contracts/programs/contracts/Cargo.toml
index ecb16c4..71c8df0 100644
--- a/contracts/programs/contracts/Cargo.toml
+++ b/contracts/programs/contracts/Cargo.toml
@@ -22,5 +22,5 @@ anchor-lang = "1.0.1"
 groth16-solana = "0.2.0"
 # Light Protocol ZK Compression (using Keccak for BPF compatibility, Poseidon in circuits)
 light-sdk = "0.13.0"
-solana-program = "1.18"
+solana-program = "4.0"