diff --git a/src/sphinx_antsibull_ext/css/package-lock.json b/src/sphinx_antsibull_ext/css/package-lock.json
index fe60f5c1..01fc7562 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": "^8.4.49",
         "postcss-cli": "^11.0.0",
-        "sass": "^1.83.0"
+        "sass": "^1.83.1"
       }
     },
     "node_modules/@nodelib/fs.scandir": {
@@ -1899,9 +1899,9 @@
       }
     },
     "node_modules/sass": {
-      "version": "1.83.0",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.83.0.tgz",
-      "integrity": "sha512-qsSxlayzoOjdvXMVLkzF84DJFc2HZEL/rFyGIKbbilYtAvlCxyuzUeff9LawTn4btVnLKg75Z8MMr1lxU1lfGw==",
+      "version": "1.83.1",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.83.1.tgz",
+      "integrity": "sha512-EVJbDaEs4Rr3F0glJzFSOvtg2/oy2V/YrGFPqPY24UqcLDWcI9ZY5sN+qyO3c/QCZwzgfirvhXvINiJCE/OLcA==",
       "dependencies": {
         "chokidar": "^4.0.0",
         "immutable": "^5.0.2",
diff --git a/src/sphinx_antsibull_ext/css/package.json b/src/sphinx_antsibull_ext/css/package.json
index 165167d9..bfd80789 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": "^8.4.49",
     "postcss-cli": "^11.0.0",
-    "sass": "^1.83.0"
+    "sass": "^1.83.1"
   }
 }