diff --git a/package-lock.json b/package-lock.json
index 138666c..50b0f81 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "nodemailer-mjml",
-  "version": "1.4.11",
+  "version": "1.4.12",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "nodemailer-mjml",
-      "version": "1.4.11",
+      "version": "1.4.12",
       "license": "MIT",
       "dependencies": {
         "mjml": "^4.15.3",
@@ -26,7 +26,7 @@
         "htmlnano": "^2.1.1",
         "jest": "^29.7.0",
         "nodemailer": "^6.10.0",
-        "postcss": "^8.5.1",
+        "postcss": "^8.5.2",
         "supertest": "^7.0.0",
         "terser": "^5.38.1",
         "ts-jest": "^29.2.5",
@@ -6671,9 +6671,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.1",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.1.tgz",
-      "integrity": "sha512-6oz2beyjc5VMn/KV1pPw8fliQkhBXrVn1Z3TVyqZxU8kZpzEKhBdmCFqI6ZbmGtamQvQGuU1sgPTk8ZrXDD7jQ==",
+      "version": "8.5.2",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.2.tgz",
+      "integrity": "sha512-MjOadfU3Ys9KYoX0AdkBlFEF1Vx37uCCeN4ZHnmwm9FfpbsGWMZeBLMmmpY+6Ocqod7mkdZ0DT31OlbsFrLlkA==",
       "dev": true,
       "funding": [
         {
diff --git a/package.json b/package.json
index 1da9404..74d5073 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "htmlnano": "^2.1.1",
     "jest": "^29.7.0",
     "nodemailer": "^6.10.0",
-    "postcss": "^8.5.1",
+    "postcss": "^8.5.2",
     "supertest": "^7.0.0",
     "terser": "^5.38.1",
     "ts-jest": "^29.2.5",
diff --git a/yarn.lock b/yarn.lock
index fd91dad..e849b02 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3995,10 +3995,10 @@ postcss-value-parser@^4.2.0:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@^8.5.1:
-  version "8.5.1"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.1.tgz#e2272a1f8a807fafa413218245630b5db10a3214"
-  integrity sha512-6oz2beyjc5VMn/KV1pPw8fliQkhBXrVn1Z3TVyqZxU8kZpzEKhBdmCFqI6ZbmGtamQvQGuU1sgPTk8ZrXDD7jQ==
+postcss@^8.5.2:
+  version "8.5.2"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.2.tgz#e7b99cb9d2ec3e8dd424002e7c16517cb2b846bd"
+  integrity sha512-MjOadfU3Ys9KYoX0AdkBlFEF1Vx37uCCeN4ZHnmwm9FfpbsGWMZeBLMmmpY+6Ocqod7mkdZ0DT31OlbsFrLlkA==
   dependencies:
     nanoid "^3.3.8"
     picocolors "^1.1.1"