diff --git a/package-lock.json b/package-lock.json
index f0ee05cbb8db..1c9c7a9ba393 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "license": "(MIT AND CC-BY-4.0)",
       "dependencies": {
         "@github/failbot": "0.8.0",
-        "@primer/css": "^19.8.2",
+        "@primer/css": "^20.2.3",
         "@primer/octicons": "17.3.0",
         "@primer/octicons-react": "17.3.0",
         "@primer/react": "^34.7.1",
@@ -4073,11 +4073,11 @@
       "integrity": "sha512-Ej2OUc3ZIFaR7WwIUqESO1DTzmpb7wc8xbTVRT9s52jZQDjN7g5iljoK3ocYZm+BIAcKn3MvcwB42hEk4Ga4xQ=="
     },
     "node_modules/@primer/css": {
-      "version": "19.8.2",
-      "resolved": "https://registry.npmjs.org/@primer/css/-/css-19.8.2.tgz",
-      "integrity": "sha512-Zjgk0asxDVj+QY8Ej3DLeJHEMzxlW4ejwmtUk3QzwUJG6R1FzCuGzrTuEN2hFugsvlPDVd1geeKfiskLEjkfOQ==",
+      "version": "20.2.3",
+      "resolved": "https://registry.npmjs.org/@primer/css/-/css-20.2.3.tgz",
+      "integrity": "sha512-OjAhljT577T1PbhifzKHVGJdsKibHUhIEKr4r1MbfAmSgSkOoZUgPdzXMHB9+K+3sEufSXN8KRnbKsFiLgySlA==",
       "dependencies": {
-        "@primer/primitives": "^7.7.0"
+        "@primer/primitives": "^7.8.3"
       },
       "engines": {
         "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
@@ -25750,11 +25750,11 @@
       "integrity": "sha512-Ej2OUc3ZIFaR7WwIUqESO1DTzmpb7wc8xbTVRT9s52jZQDjN7g5iljoK3ocYZm+BIAcKn3MvcwB42hEk4Ga4xQ=="
     },
     "@primer/css": {
-      "version": "19.8.2",
-      "resolved": "https://registry.npmjs.org/@primer/css/-/css-19.8.2.tgz",
-      "integrity": "sha512-Zjgk0asxDVj+QY8Ej3DLeJHEMzxlW4ejwmtUk3QzwUJG6R1FzCuGzrTuEN2hFugsvlPDVd1geeKfiskLEjkfOQ==",
+      "version": "20.2.3",
+      "resolved": "https://registry.npmjs.org/@primer/css/-/css-20.2.3.tgz",
+      "integrity": "sha512-OjAhljT577T1PbhifzKHVGJdsKibHUhIEKr4r1MbfAmSgSkOoZUgPdzXMHB9+K+3sEufSXN8KRnbKsFiLgySlA==",
       "requires": {
-        "@primer/primitives": "^7.7.0"
+        "@primer/primitives": "^7.8.3"
       },
       "dependencies": {
         "@primer/primitives": {
diff --git a/package.json b/package.json
index 17893be60b74..478de4fc94df 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   ],
   "dependencies": {
     "@github/failbot": "0.8.0",
-    "@primer/css": "^19.8.2",
+    "@primer/css": "^20.2.3",
     "@primer/octicons": "17.3.0",
     "@primer/octicons-react": "17.3.0",
     "@primer/react": "^34.7.1",