diff --git a/package.json b/package.json
index c5bea487..a7b853cd 100644
--- a/package.json
+++ b/package.json
@@ -29,8 +29,9 @@
     "watch": "jest --watch",
     "build": "node build",
     "test": "npm run lint && npm run jest",
-    "prepublishOnly": "npm run test",
-    "prepack": "npm run build"
+    "prepack": "npm run build",
+    "checkGit": "sh ./uncommited.sh",
+    "prepublishOnly": "npm run checkGit && npm run test && npm run build"
   },
   "dependencies": {
     "tslib": "^2.3.1"
diff --git a/uncommited.sh b/uncommited.sh
new file mode 100644
index 00000000..debe88a6
--- /dev/null
+++ b/uncommited.sh
@@ -0,0 +1,7 @@
+if [[ -z $(git status -s) ]]
+then
+  echo "Tree is clean"
+else
+  echo "Please commit changes before running this script"
+  exit -1
+fi
\ No newline at end of file