diff --git a/package.json b/package.json
index 28e04c0..fc6e5b4 100644
--- a/package.json
+++ b/package.json
@@ -23,17 +23,17 @@
   },
   "homepage": "https://github.com/factorial-io/drupal-breakpoints-css#readme",
   "devDependencies": {
-    "deepmerge": "^4.2.2",
     "eslint": "^8.14.0",
     "eslint-config-airbnb-base": "^15.0.0",
     "eslint-config-prettier": "^8.4.0",
     "eslint-plugin-import": "^2.26.0",
     "eslint-plugin-jsdoc": "^39.2.9",
-    "eslint-plugin-prettier": "^4.0.0",
-    "prettier": "^2.6.0"
+    "eslint-plugin-prettier": "^4.0.0"
   },
   "dependencies": {
-    "js-yaml": "^4.1.0"
+    "deepmerge": "^4.3.1",
+    "js-yaml": "^4.1.0",
+    "prettier": "^2.8.8"
   },
   "scripts": {
     "lint": "eslint *.js",
diff --git a/yarn.lock b/yarn.lock
index 7df41c0..c544263 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -242,10 +242,10 @@ deep-is@^0.1.3:
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.4.tgz#a6f2dce612fadd2ef1f519b73551f17e85199831"
   integrity sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==
 
-deepmerge@^4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.2.2.tgz#44d2ea3679b8f4d4ffba33f03d865fc1e7bf4955"
-  integrity sha512-FJ3UgI4gIl+PHZm53knsuSFpE+nESMr7M4v9QcgB7S63Kj/6WqMiFQJpBBYz1Pt+66bZpP3Q7Lye0Oo9MPKEdg==
+deepmerge@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.3.1.tgz#44b5f2147cd3b00d4b56137685966f26fd25dd4a"
+  integrity sha512-3sUqbMEc77XqpdNO7FRyRog+eW3ph+GYCbj+rK+uYyRMuwsVy0rMiVtPn+QJlKFvWP/1PYpapqYn0Me2knFn+A==
 
 define-properties@^1.1.3, define-properties@^1.1.4:
   version "1.1.4"
@@ -1069,10 +1069,10 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@^2.6.0:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.7.1.tgz#e235806850d057f97bb08368a4f7d899f7760c64"
-  integrity sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==
+prettier@^2.8.8:
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
+  integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
 
 punycode@^2.1.0:
   version "2.1.1"