diff --git a/sdk/typescript/package.json b/sdk/typescript/package.json
index 7d1ea989..7afcb589 100644
--- a/sdk/typescript/package.json
+++ b/sdk/typescript/package.json
@@ -94,7 +94,7 @@
     "fast-check": "4.9.0",
     "ink-testing-library": "4.0.0",
     "json-schema-to-typescript": "15.0.4",
-    "postcss": "8.5.6",
+    "postcss": "8.5.23",
     "prettier": "3.2.5",
     "react-dom": "19.2.4",
     "tailwindcss": "4.3.3",
diff --git a/sdk/typescript/pnpm-lock.yaml b/sdk/typescript/pnpm-lock.yaml
index 5496e12f..eed94b77 100644
--- a/sdk/typescript/pnpm-lock.yaml
+++ b/sdk/typescript/pnpm-lock.yaml
@@ -100,8 +100,8 @@ importers:
         specifier: 15.0.4
         version: 15.0.4
       postcss:
-        specifier: 8.5.6
-        version: 8.5.6
+        specifier: 8.5.23
+        version: 8.5.23
       prettier:
         specifier: 3.2.5
         version: 3.2.5
@@ -2534,12 +2534,8 @@ packages:
     resolution: {integrity: sha512-RvwwcruNjI1ncT5xRakeyS9Lf8lcItv34KD+aif+VH9kduAyfYBipGh12274xtenIPZ119/R9BdTBa8gAwSh0A==}
     engines: {node: '>=12'}
 
-  postcss@8.5.26:
-    resolution: {integrity: sha512-u82N74LFzG8ca+dD8puPnplTXoGH4fTPpVGuIbt36G3qvNlkvfD0lEAZSxaly3KX8TS/L1A1gsCEmvKmBcVbkQ==}
-    engines: {node: ^10 || ^12 || >=14}
-
-  postcss@8.5.6:
-    resolution: {integrity: sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==}
+  postcss@8.5.23:
+    resolution: {integrity: sha512-g50586zr4bZmwFiTlflMu8E0bDTb5I5gertgwAKmsdUlTQIhZtunzUlD1WSzwcVWPoAVpsrA6vlfCD7oXvRwgg==}
     engines: {node: ^10 || ^12 || >=14}
 
   prettier@3.2.5:
@@ -4485,7 +4481,7 @@ snapshots:
       '@alloc/quick-lru': 5.2.0
       '@tailwindcss/node': 4.3.3
       '@tailwindcss/oxide': 4.3.3
-      postcss: 8.5.26
+      postcss: 8.5.23
       tailwindcss: 4.3.3
 
   '@toon-format/toon@2.3.0': {}
@@ -5652,13 +5648,7 @@ snapshots:
 
   picomatch@4.0.5: {}
 
-  postcss@8.5.26:
-    dependencies:
-      nanoid: 3.3.18
-      picocolors: 1.1.1
-      source-map-js: 1.2.1
-
-  postcss@8.5.6:
+  postcss@8.5.23:
     dependencies:
       nanoid: 3.3.18
       picocolors: 1.1.1