diff --git a/package.json b/package.json
index e5495693..faebf1f5 100644
--- a/package.json
+++ b/package.json
@@ -47,9 +47,9 @@
     "devDependencies": {
         "@tryghost/release-utils": "0.9.1",
         "@tryghost/theme-translations": "0.0.22",
-        "autoprefixer": "10.5.2",
+        "autoprefixer": "10.5.4",
         "beeper": "2.1.0",
-        "cssnano": "8.0.2",
+        "cssnano": "8.0.4",
         "gscan": "6.4.2",
         "gulp": "5.0.1",
         "gulp-concat": "2.6.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9d7806a7..232658fb 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -15,14 +15,14 @@ importers:
         specifier: 0.0.22
         version: 0.0.22
       autoprefixer:
-        specifier: 10.5.2
-        version: 10.5.2(postcss@8.5.16)
+        specifier: 10.5.4
+        version: 10.5.4(postcss@8.5.16)
       beeper:
         specifier: 2.1.0
         version: 2.1.0
       cssnano:
-        specifier: 8.0.2
-        version: 8.0.2(postcss@8.5.16)
+        specifier: 8.0.4
+        version: 8.0.4(postcss@8.5.16)
       gscan:
         specifier: 6.4.2
         version: 6.4.2(@opentelemetry/core@2.10.0(@opentelemetry/api@1.9.1))(supports-color@7.2.0)
@@ -1285,8 +1285,8 @@ packages:
   asynckit@0.4.0:
     resolution: {integrity: sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==}
 
-  autoprefixer@10.5.2:
-    resolution: {integrity: sha512-rD5t5DwOjJdmSORcTq64j8MawTC+tbQ+HHqjR4NDumamy/ambn1UJrlKL+KdwujWxMkFjPM3pPHOEA9tl4767Q==}
+  autoprefixer@10.5.4:
+    resolution: {integrity: sha512-MaU0U/za7N3r6brxD4YB/l4NSrFzLPlANv6wEuQVaIPlD3L4W9rFcQPbL/EilY9BHhHvhfcz3gInDLrEtWT4EA==}
     engines: {node: ^10 || ^12 || >=14}
     hasBin: true
     peerDependencies:
@@ -1618,11 +1618,11 @@ packages:
     peerDependencies:
       postcss: ^8.5.25
 
-  cssnano@8.0.2:
-    resolution: {integrity: sha512-K+a76gA1v0/CsYgcsE95HGGyIuPKxpQSetwSwz4nHEM8fFXqSkzq2JzEXFL8v5+CCjxzVVVhPcTK3Oo8SaF/xA==}
+  cssnano@8.0.4:
+    resolution: {integrity: sha512-m6epEvKkzysdXamdK4BU9S6lQzx+syY+5Qm4f2dbpxlewBtEYOKi2v2iIr1jLsjuAr3V1WjRp6hXFPH1BEDirw==}
     engines: {node: ^22.11.0 || ^24.11.0 || >=26.0}
     peerDependencies:
-      postcss: ^8.5.15
+      postcss: ^8.5.25
 
   csso@5.0.5:
     resolution: {integrity: sha512-0LrrStPOdJj+SPCCrGhzryycLjwcgUSHBtxNA8aIDxf0GLsRh1cKYhB00Gd1lDOS4yGH69+SNn13+TWbVHETFQ==}
@@ -4699,7 +4699,7 @@ snapshots:
 
   asynckit@0.4.0: {}
 
-  autoprefixer@10.5.2(postcss@8.5.16):
+  autoprefixer@10.5.4(postcss@8.5.16):
     dependencies:
       browserslist: 4.28.8
       caniuse-lite: 1.0.30001809
@@ -5063,7 +5063,7 @@ snapshots:
     dependencies:
       postcss: 8.5.16
 
-  cssnano@8.0.2(postcss@8.5.16):
+  cssnano@8.0.4(postcss@8.5.16):
     dependencies:
       cssnano-preset-default: 8.0.4(postcss@8.5.16)
       lilconfig: 3.1.3