diff --git a/tests/test_helper.tcl b/tests/test_helper.tcl
index cb7e4e32..b266bc56 100644
--- a/tests/test_helper.tcl
+++ b/tests/test_helper.tcl
@@ -87,7 +87,7 @@ set ::file ""; # If set, runs only the tests in this comma separated list
 set ::curfile ""; # Hold the filename of the current suite
 set ::accurate 0; # If true runs fuzz tests with more iterations
 set ::force_failure 0
-set ::timeout 600; # 10 minutes without progresses will quit the test.
+set ::timeout 1200; # 20 minutes without progresses will quit the test.
 set ::last_progress [clock seconds]
 set ::active_servers {} ; # Pids of active Redis instances.
 set ::dont_clean 0