diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschConfigSessionFactory.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschConfigSessionFactory.java
index 36d429a02..65e9d4dc5 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschConfigSessionFactory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschConfigSessionFactory.java
@@ -117,6 +117,9 @@ public synchronized RemoteSession getSession(URIish uri,
 				} catch (JSchException e) {
 					session.disconnect();
 					session = null;
+					// Make sure our known_hosts is not outdated
+					knownHosts(getJSch(hc, fs), fs);
+
 					// if authentication failed maybe credentials changed at the
 					// remote end therefore reset credentials and retry
 					if (credentialsProvider != null && e.getCause() == null