diff --git a/janitor/runtime/src/main/java/org/pagan/janitor/cache/SessionCache.java b/janitor/runtime/src/main/java/org/pagan/janitor/cache/SessionCache.java
index e21746f..2c43612 100644
--- a/janitor/runtime/src/main/java/org/pagan/janitor/cache/SessionCache.java
+++ b/janitor/runtime/src/main/java/org/pagan/janitor/cache/SessionCache.java
@@ -12,4 +12,5 @@ public interface SessionCache {
     public void put(String sessionId, SessionInfo sessionInfo);
     public void del(String sessionId);
     public Response loginSuccessResponse(SessionInfo sessionInfo);
+    public SessionInfo updateCSRF (SessionInfo sessionInfo);
 }
diff --git a/janitor/runtime/src/main/java/org/pagan/janitor/cache/SessionCacheImpl.java b/janitor/runtime/src/main/java/org/pagan/janitor/cache/SessionCacheImpl.java
index af08c17..c7b6bf6 100644
--- a/janitor/runtime/src/main/java/org/pagan/janitor/cache/SessionCacheImpl.java
+++ b/janitor/runtime/src/main/java/org/pagan/janitor/cache/SessionCacheImpl.java
@@ -74,4 +74,9 @@ public class SessionCacheImpl implements SessionCache {
         return builder.build();
     }
 
+    @Override
+    public SessionInfo updateCSRF(SessionInfo sessionInfo) {
+        return sessionInfo;
+    }
+
 }