diff --git a/apps/OpenSign/package-lock.json b/apps/OpenSign/package-lock.json
index 0ef5ec33d..f2ff8ce75 100644
--- a/apps/OpenSign/package-lock.json
+++ b/apps/OpenSign/package-lock.json
@@ -81,7 +81,7 @@
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         "lint-staged": "^15.2.10",
         "mini-css-extract-plugin": "^2.9.1",
-        "postcss": "^8.4.47",
+        "postcss": "^8.4.48",
         "prettier": "^3.3.3",
         "pretty-quick": "^4.0.0",
         "tailwindcss": "^3.4.13",
@@ -12685,9 +12685,9 @@
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     "node_modules/http-proxy-middleware": {
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-      "resolved": "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-2.0.6.tgz",
-      "integrity": "sha512-ya/UeJ6HVBYxrgYotAZo1KvPWlgB48kUJLDePFeneHsVujFaW5WNj2NgWCAE//B1Dl02BIfYlpNgBy8Kf8Rjmw==",
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-2.0.7.tgz",
+      "integrity": "sha512-fgVY8AV7qU7z/MmXJ/rxwbrtQH4jBQ9m7kp3llF0liB7glmFeVZFBepQb32T3y8n8k2+AEYuMPCpinYW+/CuRA==",
       "dependencies": {
         "@types/http-proxy": "^1.17.8",
         "http-proxy": "^1.18.1",
@@ -18189,9 +18189,9 @@
       "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow=="
     },
     "node_modules/picocolors": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.0.tgz",
-      "integrity": "sha512-TQ92mBOW0l3LeMeyLV6mzy/kWr8lkd/hp3mTg7wYK7zJhuBStmGMBG0BdeDZS/dZx1IukaX6Bk11zcln25o1Aw=="
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
+      "integrity": "sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA=="
     },
     "node_modules/picomatch": {
       "version": "2.3.1",
@@ -18427,9 +18427,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.47",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.47.tgz",
-      "integrity": "sha512-56rxCq7G/XfB4EkXq9Egn5GCqugWvDFjafDOThIdMBsI15iqPqR5r15TfSr1YPYeEI19YeaXMCbY6u88Y76GLQ==",
+      "version": "8.4.48",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.48.tgz",
+      "integrity": "sha512-GCRK8F6+Dl7xYniR5a4FYbpBzU8XnZVeowqsQFYdcXuSbChgiks7qybSkbvnaeqv0G0B+dd9/jJgH8kkLDQeEA==",
       "funding": [
         {
           "type": "opencollective",
@@ -18446,7 +18446,7 @@
       ],
       "dependencies": {
         "nanoid": "^3.3.7",
-        "picocolors": "^1.1.0",
+        "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
       "engines": {
diff --git a/apps/OpenSign/package.json b/apps/OpenSign/package.json
index 08e4a9599..92374c04f 100644
--- a/apps/OpenSign/package.json
+++ b/apps/OpenSign/package.json
@@ -113,7 +113,7 @@
     "eslint-plugin-react": "^7.37.1",
     "lint-staged": "^15.2.10",
     "mini-css-extract-plugin": "^2.9.1",
-    "postcss": "^8.4.47",
+    "postcss": "^8.4.48",
     "prettier": "^3.3.3",
     "pretty-quick": "^4.0.0",
     "tailwindcss": "^3.4.13",