diff --git a/sandbox/update-version b/sandbox/update-version
index 007edf77e..d8bc1b452 100755
--- a/sandbox/update-version
+++ b/sandbox/update-version
@@ -1,4 +1,7 @@
 #!/usr/bin/env bash
+export TZ="/usr/share/zoneinfo/UTC" # Use UTC with version timestamps.
 echo "Updating version..."
 perl -pi -e  "s/^version\s*=\s*['\"]([\S]+)[ '\"].*/version = '\1 ($( date -Iseconds ))'/" src/version.py
+unset TZ # Return to the system timezone.
+exec $SHELL # Execute the current shell to return to use timezone if specified in config of shell.
 git add src/version.py