diff --git a/bower.json b/bower.json
index e7db720..827dd49 100644
--- a/bower.json
+++ b/bower.json
@@ -33,6 +33,6 @@
   ],
   "dependencies": {
     "jquery": "1.9.1 - 3",
-    "popper.js": "^1.12.9"
+    "popper.js": "1.12.9"
   }
 }