diff --git a/package.json b/package.json
index 5d2198f..61008c9 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,9 @@
 {
   "devDependencies": {
     "add": "^2.0.6",
-    "prettier": "^2.0.5",
-    "prettier-plugin-sh": "^0.5.0",
-    "yarn": "^1.22.4"
+    "prettier": "2.2.1",
+    "prettier-plugin-sh": "0.6.0",
+    "yarn": "1.22.10"
   },
   "prettier": {
     "tabWidth": 4