diff --git a/dev/run-tests-jenkins.py b/dev/run-tests-jenkins.py
index 3960a0de62530..16af97c7fbeae 100755
--- a/dev/run-tests-jenkins.py
+++ b/dev/run-tests-jenkins.py
@@ -181,8 +181,8 @@ def main():
     short_commit_hash = ghprb_actual_commit[0:7]
 
     # format: http://linux.die.net/man/1/timeout
-    # must be less than the timeout configured on Jenkins (currently 350m)
-    tests_timeout = "300m"
+    # must be less than the timeout configured on Jenkins (currently 400m)
+    tests_timeout = "340m"
 
     # Array to capture all test names to run on the pull request. These tests are represented
     # by their file equivalents in the dev/tests/ directory.