diff --git a/scripts/run_bazel.py b/scripts/run_bazel.py
index c3361d3c556a..6873ef80af4e 100755
--- a/scripts/run_bazel.py
+++ b/scripts/run_bazel.py
@@ -14,6 +14,7 @@ SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 import argparse
 import subprocess
+import sys
 import time
 
 import scripts_utils
@@ -82,4 +83,7 @@ def main() -> None:
 
 
 if __name__ == "__main__":
-    main()
+    try:
+        main()
+    except KeyboardInterrupt:
+        sys.exit(1)
diff --git a/toolchain/autoupdate_testdata.py b/toolchain/autoupdate_testdata.py
index f794f3492524..5aa57c43cdab 100755
--- a/toolchain/autoupdate_testdata.py
+++ b/toolchain/autoupdate_testdata.py
@@ -96,4 +96,7 @@ def main() -> None:
 
 
 if __name__ == "__main__":
-    main()
+    try:
+        main()
+    except KeyboardInterrupt:
+        sys.exit(1)