increase polling loop
diff --git a/releng.wtpbuilder/scripts/build/signjars.xml b/releng.wtpbuilder/scripts/build/signjars.xml
index 71163b9..06b3f57 100644
--- a/releng.wtpbuilder/scripts/build/signjars.xml
+++ b/releng.wtpbuilder/scripts/build/signjars.xml
@@ -250,7 +250,7 @@
         unless="attributesChanged">
         <!-- increase, say to 120 or so, after testing -->
         <sleep
-            seconds="60" />
+            seconds="180" />
         <antcall
             target="compareAttributes"
             inheritAll="false">