diff --git a/.nvmrc b/.nvmrc
index 209e3ef..f3f52b4 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-20
+20.9.0
diff --git a/package-lock.json b/package-lock.json
index 6b36fa3..c2f3218 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.0",
       "license": "MIT",
       "devDependencies": {
-        "prettier": "^2.2.1"
+        "prettier": "2.8.8"
       }
     },
     "node_modules/prettier": {
diff --git a/package.json b/package.json
index cbb110c..1fb6ffb 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,6 @@
   "author": "Franck Nijhof <opensource@frenck.dev>",
   "license": "MIT",
   "devDependencies": {
-    "prettier": "^2.2.1"
+    "prettier": "2.8.8"
   }
 }