diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bba62e4..1760996 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,7 +3,7 @@ include:
 - project: unboundsoftware/ci-templates
   file: Release.gitlab-ci.yml
 
-image: golang:1.23.2
+image: golang:1.23.2@sha256:ad5c126b5cf501a8caef751a243bb717ec204ab1aa56dc41dc11be089fafcb4f
 
 stages:
 - deps
@@ -42,7 +42,7 @@ test:
 
 vulnerabilities:
   stage: test
-  image: golang:1.23.2
+  image: golang:1.23.2@sha256:ad5c126b5cf501a8caef751a243bb717ec204ab1aa56dc41dc11be089fafcb4f
   script:
   - go install golang.org/x/vuln/cmd/govulncheck@latest
   - govulncheck ./...