diff --git a/src/main/java/mirror/Utils.java b/src/main/java/mirror/Utils.java
index 465958ba..49d5ad83 100644
--- a/src/main/java/mirror/Utils.java
+++ b/src/main/java/mirror/Utils.java
@@ -28,7 +28,7 @@ public interface InterruptedRunnable {
   /** grpc-java doesn't support timeouts yet, so we have to set a per-call deadline. */
   public static MirrorStub withTimeout(MirrorStub s) {
     // over VPN, ~100k files can take 30 seconds.
-    return s.withDeadlineAfter(3, TimeUnit.MINUTES);
+    return s.withDeadlineAfter(10, TimeUnit.MINUTES);
   }
 
   public static void logConnectionError(Logger log, Throwable t) {