diff --git a/RELEASELOG b/RELEASELOG
index b499b58..60f408a 100755
--- a/RELEASELOG
+++ b/RELEASELOG
@@ -1 +1 @@
-* Support configuration of custom error message when access is restricted
\ No newline at end of file
+* Update Keycloak dependencies from version 14.0.0 to 15.0.0
diff --git a/docker-compose.yml b/docker-compose.yml
index d937870..4909e8a 100755
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 services:
   keycloak:
     container_name: keycloak
-    image: jboss/keycloak:14.0.0
+    image: jboss/keycloak:15.0.0
     environment:
       DB_VENDOR: h2
       KEYCLOAK_USER: admin
diff --git a/pom.xml b/pom.xml
index b108c61..135d9a4 100755
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>de.sventorben.keycloak</groupId>
     <artifactId>keycloak-restrict-client-auth</artifactId>
-    <version>14.0.3-SNAPSHOT</version>
+    <version>15.0.0-SNAPSHOT</version>
 
     <name>Keycloak: Authenticator - Restrict client authentication</name>
     <description>A Keycloak authenticator to restrict authentication on clients</description>
@@ -50,7 +50,7 @@
         <maven.compiler.target>11</maven.compiler.target>
         <maven.compiler.release>11</maven.compiler.release>
 
-        <version.keycloak>14.0.0</version.keycloak>
+        <version.keycloak>15.0.0</version.keycloak>
 
         <version.mockito>3.7.7</version.mockito>
     </properties>