diff --git a/integration-tests/testconfig/default.toml b/integration-tests/testconfig/default.toml
index c14bc83a8..c2f486f07 100644
--- a/integration-tests/testconfig/default.toml
+++ b/integration-tests/testconfig/default.toml
@@ -41,7 +41,7 @@ inside_k8 = false
 network = "localnet"
 user = "default"
 stateful_db = false
-devnet_image = "solanalabs/solana:v1.18.15"
+devnet_image = "solanalabs/solana:v1.18.18"
 
 [OCR2]
 node_count = 6
diff --git a/scripts/install-solana-ci.sh b/scripts/install-solana-ci.sh
index 813a6d117..47914d897 100755
--- a/scripts/install-solana-ci.sh
+++ b/scripts/install-solana-ci.sh
@@ -2,5 +2,5 @@
 
 set -euxo pipefail
 
-sh -c "$(curl -sSfL https://release.solana.com/v1.18.15/install)"
+sh -c "$(curl -sSfL https://release.solana.com/v1.18.18/install)"
 echo "PATH=$HOME/.local/share/solana/install/active_release/bin:$PATH" >> $GITHUB_ENV