diff --git a/docker-compose.yml b/docker-compose.yml
index af0e0e4..da739fa 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -109,7 +109,7 @@ services:
       - oauth-tokens:/app/data
 
   keycloak:
-    image: quay.io/keycloak/keycloak:26.4.2
+    image: quay.io/keycloak/keycloak:26.4.2@sha256:3617b09bb4b7510a8d8d9b9fc5707399e2d70688dbcc2f8fb013a144829be1b9
     command:
       - "start-dev"
       - "--import-realm"