diff --git a/spring-grpc-kotlin-sample/compose.yaml b/spring-grpc-kotlin-sample/compose.yaml
index cf413ab..c58ab20 100644
--- a/spring-grpc-kotlin-sample/compose.yaml
+++ b/spring-grpc-kotlin-sample/compose.yaml
@@ -1,6 +1,6 @@
 services:
   keycloak:
-    image: quay.io/keycloak/keycloak:26.1.3
+    image: quay.io/keycloak/keycloak:26.6.0
     command: start-dev
     environment:
       KC_BOOTSTRAP_ADMIN_USERNAME: admin