diff --git a/rollup.config.js b/rollup.config.js
index 81a1b1f..d2d2cbb 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -15,7 +15,7 @@ const production = !process.env.ROLLUP_WATCH;
 
 let buildVersion;
 if (production) {
-  buildVersion = process.env.GIT_REV; // latest commit hash
+  buildVersion = process.env.GIT_REV.substring(0, 7); // latest commit hash
 } else {
   buildVersion = execSync("git rev-parse --short HEAD").toString();
 }