diff --git a/bundles/org.eclipse.emf.emfstore.server/src/org/eclipse/emf/emfstore/internal/server/accesscontrol/EMFStoreSessions.java b/bundles/org.eclipse.emf.emfstore.server/src/org/eclipse/emf/emfstore/internal/server/accesscontrol/EMFStoreSessions.java
index 10de2b4..6c4db15 100644
--- a/bundles/org.eclipse.emf.emfstore.server/src/org/eclipse/emf/emfstore/internal/server/accesscontrol/EMFStoreSessions.java
+++ b/bundles/org.eclipse.emf.emfstore.server/src/org/eclipse/emf/emfstore/internal/server/accesscontrol/EMFStoreSessions.java
@@ -38,6 +38,7 @@
 		for (final Entry<SessionId, ACUserContainer> entry : sessionUserMap.entrySet()) {
 			final ACUserContainer container = entry.getValue();
 			if (container.getRawUser().getId().equals(userId)) {
+				container.active();
 				return entry.getKey().toAPI();
 			}
 		}
diff --git a/bundles/org.eclipse.emf.emfstore.server/src/org/eclipse/emf/emfstore/internal/server/accesscontrol/authentication/ACUserContainer.java b/bundles/org.eclipse.emf.emfstore.server/src/org/eclipse/emf/emfstore/internal/server/accesscontrol/authentication/ACUserContainer.java
index 9068354..898ea65 100644
--- a/bundles/org.eclipse.emf.emfstore.server/src/org/eclipse/emf/emfstore/internal/server/accesscontrol/authentication/ACUserContainer.java
+++ b/bundles/org.eclipse.emf.emfstore.server/src/org/eclipse/emf/emfstore/internal/server/accesscontrol/authentication/ACUserContainer.java
@@ -79,7 +79,10 @@
 		}
 	}
 
-	private void active() {
+	/**
+	 * Update timestamp when user was last active.
+	 */
+	public void active() {
 		lastActive = System.currentTimeMillis();
 	}
 }
\ No newline at end of file