diff --git a/tests/run-tests.py b/tests/run-tests.py
index 5c7dc056ba..8c23724646 100755
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -32,7 +32,7 @@ parser.add_option("-s", "--cover_stdlib", action="store_true",
     help="print a test coverage report inc. standard libraries")
 parser.add_option("-C", "--annotate", action="store_true",
     help="output files annotated with coverage")
-parser.set_defaults(timeout=30)
+parser.set_defaults(timeout=180)
 (options, args) = parser.parse_args()
 verbose = options.verbose
 coverage = options.cover or options.cover_stdlib or options.annotate