diff --git a/themes/microcks/package-lock.json b/themes/microcks/package-lock.json
index cff9ab05..f65c2282 100644
--- a/themes/microcks/package-lock.json
+++ b/themes/microcks/package-lock.json
@@ -10,7 +10,7 @@
       "license": "UNLICENSED",
       "devDependencies": {
         "@fullhuman/postcss-purgecss": "^5.0.0",
-        "postcss": "^8.4.21",
+        "postcss": "^8.5.26",
         "postcss-cli": "^10.1.0",
         "prettier": "^2.8.4",
         "prettier-plugin-go-template": "0.0.13"
@@ -547,9 +547,9 @@
       }
     },
     "node_modules/nanoid": {
-      "version": "3.3.7",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.7.tgz",
-      "integrity": "sha512-eSRppjcPIatRIMC1U6UngP8XFcz8MQWGQdt1MTBQ7NaAmvXDfvNxbvWV3x2y6CdEUciCSsDHDQZbhYaB8QEo2g==",
+      "version": "3.3.18",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.18.tgz",
+      "integrity": "sha512-DTg4MJbGMWkfi6VZFdNt2/caMbQy4Ou+Op/hJQvGEWcnVfoA1QA+xzRKAzw9jD6+GVOOeYr/mIcuDSdug6F6+w==",
       "dev": true,
       "funding": [
         {
@@ -557,6 +557,7 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "license": "MIT",
       "bin": {
         "nanoid": "bin/nanoid.cjs"
       },
@@ -592,10 +593,11 @@
       }
     },
     "node_modules/picocolors": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
-      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
-      "dev": true
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
+      "integrity": "sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==",
+      "dev": true,
+      "license": "ISC"
     },
     "node_modules/picomatch": {
       "version": "2.3.1",
@@ -619,9 +621,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.32",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.32.tgz",
-      "integrity": "sha512-D/kj5JNu6oo2EIy+XL/26JEDTlIbB8hw85G8StOE6L74RQAVVP5rej6wxCNqyMbR4RkPfqvezVbPw81Ngd6Kcw==",
+      "version": "8.5.26",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.26.tgz",
+      "integrity": "sha512-u82N74LFzG8ca+dD8puPnplTXoGH4fTPpVGuIbt36G3qvNlkvfD0lEAZSxaly3KX8TS/L1A1gsCEmvKmBcVbkQ==",
       "dev": true,
       "funding": [
         {
@@ -637,10 +639,11 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.7",
-        "picocolors": "^1.0.0",
-        "source-map-js": "^1.0.2"
+        "nanoid": "^3.3.17",
+        "picocolors": "^1.1.1",
+        "source-map-js": "^1.2.1"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
@@ -893,10 +896,11 @@
       }
     },
     "node_modules/source-map-js": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
-      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
+      "integrity": "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==",
       "dev": true,
+      "license": "BSD-3-Clause",
       "engines": {
         "node": ">=0.10.0"
       }
diff --git a/themes/microcks/package.json b/themes/microcks/package.json
index 4f95e38f..8939f10c 100644
--- a/themes/microcks/package.json
+++ b/themes/microcks/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@fullhuman/postcss-purgecss": "^5.0.0",
-    "postcss": "^8.4.21",
+    "postcss": "^8.5.26",
     "postcss-cli": "^10.1.0",
     "prettier": "^2.8.4",
     "prettier-plugin-go-template": "0.0.13"