diff --git a/pom.xml b/pom.xml
index 4fbc349..ef7a351 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 
     <groupId>org.keycloak</groupId>
     <artifactId>keycloak-protocol-cas</artifactId>
-    <version>17.0.1</version>
+    <version>18.0.0</version>
     <name>Keycloak CAS Protocol</name>
     <description />
 
diff --git a/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java b/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java
index 718ae6b..38d32f3 100644
--- a/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java
+++ b/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java
@@ -159,7 +159,7 @@ public Response frontchannelLogout(UserSessionModel userSession, AuthenticatedCl
     }
 
     @Override
-    public Response finishLogout(UserSessionModel userSession) {
+    public Response finishBrowserLogout(UserSessionModel userSession, AuthenticationSessionModel logoutSession) {
         String redirectUri = userSession.getNote(CASLoginProtocol.LOGOUT_REDIRECT_URI);
 
         event.event(EventType.LOGOUT);
diff --git a/src/main/java/org/keycloak/protocol/cas/endpoints/LogoutEndpoint.java b/src/main/java/org/keycloak/protocol/cas/endpoints/LogoutEndpoint.java
index ce2ac6b..7bafe92 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/LogoutEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/LogoutEndpoint.java
@@ -58,7 +58,7 @@ public Response logout(@QueryParam(CASLoginProtocol.SERVICE_PARAM) String servic
             if (redirectUri != null) userSession.setNote(CASLoginProtocol.LOGOUT_REDIRECT_URI, redirectUri);
 
             logger.debug("Initiating CAS browser logout");
-            Response response =  AuthenticationManager.browserLogout(session, realm, authResult.getSession(), session.getContext().getUri(), clientConnection, headers, null);
+            Response response =  AuthenticationManager.browserLogout(session, realm, authResult.getSession(), session.getContext().getUri(), clientConnection, headers);
             logger.debug("finishing CAS browser logout");
             return response;
         }