diff --git a/oauth-rest/oauth-authorization-server/pom.xml b/oauth-rest/oauth-authorization-server/pom.xml
index a4b2316a8..57b664fb8 100644
--- a/oauth-rest/oauth-authorization-server/pom.xml
+++ b/oauth-rest/oauth-authorization-server/pom.xml
@@ -176,7 +176,7 @@
         <!-- non-dependencies -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>17</java.version>
-        <keycloak.version>24.0.4</keycloak.version>
+        <keycloak.version>26.3.1</keycloak.version>
         <!-- these should be updated together with Keycloak -->
         <!-- check keycloak-dependencies-server-all effective pom -->
         <resteasy.version>6.2.4.Final</resteasy.version>