diff --git a/package.json b/package.json
index 37da5ba5..afe87659 100644
--- a/package.json
+++ b/package.json
@@ -177,7 +177,7 @@
     "imports-loader": "~0.8.0",
     "intelli-espower-loader": "~1.0.1",
     "jsonlint": "~1.6.2",
-    "leaflet": "^1.5.1",
+    "leaflet": "~1.6.0",
     "less": "~3.9.0",
     "less-loader": "~4.1.0",
     "markdown-it-ruby": "^0.1.1",