diff --git a/src/sphinx_antsibull_ext/css/package-lock.json b/src/sphinx_antsibull_ext/css/package-lock.json
index 3633d3d2..faa77999 100644
--- a/src/sphinx_antsibull_ext/css/package-lock.json
+++ b/src/sphinx_antsibull_ext/css/package-lock.json
@@ -9,7 +9,7 @@
         "cssnano": "^7.0.6",
         "postcss": "^8.4.47",
         "postcss-cli": "^11.0.0",
-        "sass": "^1.80.3"
+        "sass": "^1.80.4"
       }
     },
     "node_modules/@nodelib/fs.scandir": {
@@ -1737,9 +1737,9 @@
       }
     },
     "node_modules/sass": {
-      "version": "1.80.3",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.80.3.tgz",
-      "integrity": "sha512-ptDWyVmDMVielpz/oWy3YP3nfs7LpJTHIJZboMVs8GEC9eUmtZTZhMHlTW98wY4aEorDfjN38+Wr/XjskFWcfA==",
+      "version": "1.80.4",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.80.4.tgz",
+      "integrity": "sha512-rhMQ2tSF5CsuuspvC94nPM9rToiAFw2h3JTrLlgmNw1MH79v8Cr3DH6KF6o6r+8oofY3iYVPUf66KzC8yuVN1w==",
       "dependencies": {
         "@parcel/watcher": "^2.4.1",
         "chokidar": "^4.0.0",
diff --git a/src/sphinx_antsibull_ext/css/package.json b/src/sphinx_antsibull_ext/css/package.json
index be30f43d..c93ef25e 100644
--- a/src/sphinx_antsibull_ext/css/package.json
+++ b/src/sphinx_antsibull_ext/css/package.json
@@ -4,6 +4,6 @@
     "cssnano": "^7.0.6",
     "postcss": "^8.4.47",
     "postcss-cli": "^11.0.0",
-    "sass": "^1.80.3"
+    "sass": "^1.80.4"
   }
 }