diff --git a/ci_boost_common.py b/ci_boost_common.py
index 4a93e06..e84b28e 100644
--- a/ci_boost_common.py
+++ b/ci_boost_common.py
@@ -253,7 +253,7 @@ class script_common(object):
         try:
             self.jobs = int(os.getenv("JOBS"))
         except:
-            self.jobs = 3
+            self.jobs = 4
 
         self.branch = branch
         self.commit = commit