diff --git a/polkadot/.gitlab-ci.yml b/polkadot/.gitlab-ci.yml
index a6ebde20a8..4208b230a4 100644
--- a/polkadot/.gitlab-ci.yml
+++ b/polkadot/.gitlab-ci.yml
@@ -32,7 +32,7 @@ variables:
   GIT_STRATEGY: fetch
   GIT_DEPTH: 100
   CI_SERVER_NAME: "GitLab CI"
-  CI_IMAGE: "paritytech/ci-linux:production"
+  CI_IMAGE: "paritytech/ci-linux@sha256:7c76c3f9639f919447abbf9db535588178fde4df583d6926444d44cc20c094e6" # staging 2023-03-20
   BUILDAH_IMAGE: "quay.io/buildah/stable:v1.27"
   DOCKER_OS: "debian:stretch"
   ARCH: "x86_64"