diff --git a/bskyembed/package.json b/bskyembed/package.json
index 8baf4280d6..51aa252cdf 100644
--- a/bskyembed/package.json
+++ b/bskyembed/package.json
@@ -25,7 +25,7 @@
     "eslint-plugin-import-x": "^4.16.2",
     "eslint-plugin-simple-import-sort": "^13.0.0",
     "globals": "^15.14.0",
-    "postcss": "^8.4.38",
+    "postcss": "^8.5.23",
     "prettier": "^3.8.3",
     "serve": "^14.2.5",
     "tailwindcss": "^3.4.3",
diff --git a/bskyembed/pnpm-lock.yaml b/bskyembed/pnpm-lock.yaml
index 2de86345d5..0bec725bab 100644
--- a/bskyembed/pnpm-lock.yaml
+++ b/bskyembed/pnpm-lock.yaml
@@ -26,7 +26,7 @@ importers:
         version: 8.0.1(terser@5.47.1)(vite@8.0.16(jiti@1.21.7)(terser@5.47.1))
       autoprefixer:
         specifier: ^10.4.19
-        version: 10.5.0(postcss@8.5.14)
+        version: 10.5.0(postcss@8.5.23)
       eslint:
         specifier: ^9.18.0
         version: 9.39.4(jiti@1.21.7)
@@ -40,8 +40,8 @@ importers:
         specifier: ^15.14.0
         version: 15.15.0
       postcss:
-        specifier: ^8.4.38
-        version: 8.5.14
+        specifier: ^8.5.23
+        version: 8.5.23
       prettier:
         specifier: ^3.8.3
         version: 3.8.3
@@ -1865,8 +1865,8 @@ packages:
   mz@2.7.0:
     resolution: {integrity: sha512-z81GNO7nnYMEhrGh9LeymoE4+Yr0Wn5McHIZMK5cfQCl+NDX08sCZgUc9/6MHni9IWuFLm1Z3HTCXu2z9fN62Q==}
 
-  nanoid@3.3.12:
-    resolution: {integrity: sha512-ZB9RH/39qpq5Vu6Y+NmUaFhQR6pp+M2Xt76XBnEwDaGcVAqhlvxrl3B2bKS5D3NH3QR76v3aSrKaF/Kiy7lEtQ==}
+  nanoid@3.3.17:
+    resolution: {integrity: sha512-xQLf0A3HOMlgHq0n247/LRuAOYmB7dXJ/DvAxGvsSBij45XtBSmQycu+F8ODbHwns/XyFZagyL1+J0Offw1E0g==}
     engines: {node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1}
     hasBin: true
 
@@ -2011,12 +2011,8 @@ packages:
   postcss-value-parser@4.2.0:
     resolution: {integrity: sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==}
 
-  postcss@8.5.14:
-    resolution: {integrity: sha512-SoSL4+OSEtR99LHFZQiJLkT59C5B1amGO1NzTwj7TT1qCUgUO6hxOvzkOYxD+vMrXBM3XJIKzokoERdqQq/Zmg==}
-    engines: {node: ^10 || ^12 || >=14}
-
-  postcss@8.5.15:
-    resolution: {integrity: sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==}
+  postcss@8.5.23:
+    resolution: {integrity: sha512-g50586zr4bZmwFiTlflMu8E0bDTb5I5gertgwAKmsdUlTQIhZtunzUlD1WSzwcVWPoAVpsrA6vlfCD7oXvRwgg==}
     engines: {node: ^10 || ^12 || >=14}
 
   preact@10.29.1:
@@ -3688,13 +3684,13 @@ snapshots:
 
   argparse@2.0.1: {}
 
-  autoprefixer@10.5.0(postcss@8.5.14):
+  autoprefixer@10.5.0(postcss@8.5.23):
     dependencies:
       browserslist: 4.28.2
       caniuse-lite: 1.0.30001792
       fraction.js: 5.3.4
       picocolors: 1.1.1
-      postcss: 8.5.14
+      postcss: 8.5.23
       postcss-value-parser: 4.2.0
 
   await-lock@3.0.0: {}
@@ -4313,7 +4309,7 @@ snapshots:
       object-assign: 4.1.1
       thenify-all: 1.6.0
 
-  nanoid@3.3.12: {}
+  nanoid@3.3.17: {}
 
   napi-postinstall@0.3.4: {}
 
@@ -4389,28 +4385,28 @@ snapshots:
 
   pirates@4.0.7: {}
 
-  postcss-import@15.1.0(postcss@8.5.14):
+  postcss-import@15.1.0(postcss@8.5.23):
     dependencies:
-      postcss: 8.5.14
+      postcss: 8.5.23
       postcss-value-parser: 4.2.0
       read-cache: 1.0.0
       resolve: 1.22.12
 
-  postcss-js@4.1.0(postcss@8.5.14):
+  postcss-js@4.1.0(postcss@8.5.23):
     dependencies:
       camelcase-css: 2.0.1
-      postcss: 8.5.14
+      postcss: 8.5.23
 
-  postcss-load-config@6.0.1(jiti@1.21.7)(postcss@8.5.14):
+  postcss-load-config@6.0.1(jiti@1.21.7)(postcss@8.5.23):
     dependencies:
       lilconfig: 3.1.3
     optionalDependencies:
       jiti: 1.21.7
-      postcss: 8.5.14
+      postcss: 8.5.23
 
-  postcss-nested@6.2.0(postcss@8.5.14):
+  postcss-nested@6.2.0(postcss@8.5.23):
     dependencies:
-      postcss: 8.5.14
+      postcss: 8.5.23
       postcss-selector-parser: 6.1.2
 
   postcss-selector-parser@6.1.2:
@@ -4420,15 +4416,9 @@ snapshots:
 
   postcss-value-parser@4.2.0: {}
 
-  postcss@8.5.14:
+  postcss@8.5.23:
     dependencies:
-      nanoid: 3.3.12
-      picocolors: 1.1.1
-      source-map-js: 1.2.1
-
-  postcss@8.5.15:
-    dependencies:
-      nanoid: 3.3.12
+      nanoid: 3.3.17
       picocolors: 1.1.1
       source-map-js: 1.2.1
 
@@ -4652,11 +4642,11 @@ snapshots:
       normalize-path: 3.0.0
       object-hash: 3.0.0
       picocolors: 1.1.1
-      postcss: 8.5.14
-      postcss-import: 15.1.0(postcss@8.5.14)
-      postcss-js: 4.1.0(postcss@8.5.14)
-      postcss-load-config: 6.0.1(jiti@1.21.7)(postcss@8.5.14)
-      postcss-nested: 6.2.0(postcss@8.5.14)
+      postcss: 8.5.23
+      postcss-import: 15.1.0(postcss@8.5.23)
+      postcss-js: 4.1.0(postcss@8.5.23)
+      postcss-load-config: 6.0.1(jiti@1.21.7)(postcss@8.5.23)
+      postcss-nested: 6.2.0(postcss@8.5.23)
       postcss-selector-parser: 6.1.2
       resolve: 1.22.12
       sucrase: 3.35.1
@@ -4793,7 +4783,7 @@ snapshots:
     dependencies:
       lightningcss: 1.32.0
       picomatch: 4.0.4
-      postcss: 8.5.15
+      postcss: 8.5.23
       rolldown: 1.0.3
       tinyglobby: 0.2.17
     optionalDependencies: