diff --git a/package-lock.json b/package-lock.json
index 242b84ae..e86c9bdb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@actions/github": "^4.0.0",
         "@octokit/graphql": "^4.6.2",
         "@octokit/rest": "^18.5.3",
-        "@primer/css": "^17.3.0",
+        "@primer/css": "^17.4.0",
         "axios": "^0.21.1",
         "clipboard": "^2.0.8",
         "compression": "^1.7.4",
@@ -1817,9 +1817,9 @@
       "integrity": "sha1-XUGq4K61gnqbjuFcqsSnCgWBETo="
     },
     "node_modules/@primer/css": {
-      "version": "17.3.0",
-      "resolved": "https://registry.npmjs.org/@primer/css/-/css-17.3.0.tgz",
-      "integrity": "sha512-fKxMh6CixHxRI/0zQmEkQ2eP0960TeIsHsc2oKFvGVDwaIi7Dm1BOC10lrC9aEMxsvRG3rfCW2HXgsaua+iGKA==",
+      "version": "17.4.0",
+      "resolved": "https://registry.npmjs.org/@primer/css/-/css-17.4.0.tgz",
+      "integrity": "sha512-Zqb7z7pi+iySb2+RAmw9b/3HeDtNwqmlW4wJWq61VBqlY+xDdyauf5LVlVtXAXTxRsBarLqTpDcz4DyRJfAIMA==",
       "dependencies": {
         "@primer/primitives": "^4.3.5"
       }
@@ -11317,9 +11317,9 @@
       }
     },
     "@primer/css": {
-      "version": "17.3.0",
-      "resolved": "https://registry.npmjs.org/@primer/css/-/css-17.3.0.tgz",
-      "integrity": "sha512-fKxMh6CixHxRI/0zQmEkQ2eP0960TeIsHsc2oKFvGVDwaIi7Dm1BOC10lrC9aEMxsvRG3rfCW2HXgsaua+iGKA==",
+      "version": "17.4.0",
+      "resolved": "https://registry.npmjs.org/@primer/css/-/css-17.4.0.tgz",
+      "integrity": "sha512-Zqb7z7pi+iySb2+RAmw9b/3HeDtNwqmlW4wJWq61VBqlY+xDdyauf5LVlVtXAXTxRsBarLqTpDcz4DyRJfAIMA==",
       "requires": {
         "@primer/primitives": "^4.3.5"
       }
diff --git a/package.json b/package.json
index d74cfa4a..47026c97 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "@actions/github": "^4.0.0",
     "@octokit/graphql": "^4.6.2",
     "@octokit/rest": "^18.5.3",
-    "@primer/css": "^17.3.0",
+    "@primer/css": "^17.4.0",
     "axios": "^0.21.1",
     "clipboard": "^2.0.8",
     "compression": "^1.7.4",