diff --git a/package-lock.json b/package-lock.json
index 14572a7e84e..3868dda84ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -75,7 +75,7 @@
         "react-dom": "^18.3.1"
       },
       "devDependencies": {
-        "@primer/react": "38.0.0-rc.3",
+        "@primer/react": "38.0.0-rc.4",
         "@types/react": "^18.3.11",
         "@types/react-dom": "^18.3.0",
         "@vitejs/plugin-react": "^4.3.3",
@@ -88,7 +88,7 @@
       "name": "example-nextjs",
       "version": "0.0.0",
       "dependencies": {
-        "@primer/react": "38.0.0-rc.3",
+        "@primer/react": "38.0.0-rc.4",
         "next": "^15.2.3",
         "react": "18.3.1",
         "react-dom": "18.3.1",
@@ -104,7 +104,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@primer/octicons-react": "^19.14.0",
-        "@primer/react": "38.0.0-rc.3",
+        "@primer/react": "38.0.0-rc.4",
         "clsx": "^2.1.1",
         "next": "^15.2.3",
         "react": "18.3.1",
@@ -4202,7 +4202,9 @@
       "license": "MIT"
     },
     "node_modules/@github/relative-time-element": {
-      "version": "4.4.5",
+      "version": "4.4.8",
+      "resolved": "https://registry.npmjs.org/@github/relative-time-element/-/relative-time-element-4.4.8.tgz",
+      "integrity": "sha512-FSLYm6F3TSQnqHE1EMQUVVgi2XjbCvsESwwXfugHFpBnhyF1uhJOtu0Psp/BB/qqazfdkk7f5fVcu7WuXl3t8Q==",
       "license": "MIT"
     },
     "node_modules/@github/tab-container-element": {
@@ -25841,18 +25843,18 @@
     },
     "packages/react": {
       "name": "@primer/react",
-      "version": "38.0.0-rc.3",
+      "version": "38.0.0-rc.4",
       "license": "MIT",
       "dependencies": {
         "@github/mini-throttle": "^2.1.1",
-        "@github/relative-time-element": "^4.4.5",
+        "@github/relative-time-element": "^4.4.8",
         "@github/tab-container-element": "^4.8.2",
         "@lit-labs/react": "1.2.1",
         "@oddbird/popover-polyfill": "^0.5.2",
         "@primer/behaviors": "^1.8.2",
         "@primer/live-region-element": "^0.7.1",
         "@primer/octicons-react": "^19.13.0",
-        "@primer/primitives": "11.2.0",
+        "@primer/primitives": "10.x || 11.x",
         "@styled-system/css": "^5.1.5",
         "@styled-system/props": "^5.1.5",
         "@styled-system/theme-get": "^5.1.2",
@@ -26417,11 +26419,11 @@
     },
     "packages/styled-react": {
       "name": "@primer/styled-react",
-      "version": "1.0.0-rc.3",
+      "version": "1.0.0-rc.4",
       "devDependencies": {
         "@babel/preset-react": "^7.27.1",
         "@babel/preset-typescript": "^7.27.1",
-        "@primer/react": "^38.0.0-rc.3",
+        "@primer/react": "^38.0.0-rc.4",
         "@rollup/plugin-babel": "^6.0.4",
         "@types/react": "18.3.11",
         "@types/react-dom": "18.3.1",
@@ -26437,7 +26439,7 @@
         "typescript": "^5.9.2"
       },
       "peerDependencies": {
-        "@primer/react": "38.0.0-rc.3",
+        "@primer/react": "38.0.0-rc.4",
         "@types/react": "18.x || 19.x",
         "@types/react-dom": "18.x || 19.x",
         "@types/react-is": "18.x || 19.x",
diff --git a/packages/react/package.json b/packages/react/package.json
index 5c3f1e4008c..dc21a3fc8a8 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -71,7 +71,7 @@
   },
   "dependencies": {
     "@github/mini-throttle": "^2.1.1",
-    "@github/relative-time-element": "^4.4.5",
+    "@github/relative-time-element": "^4.4.8",
     "@github/tab-container-element": "^4.8.2",
     "@lit-labs/react": "1.2.1",
     "@oddbird/popover-polyfill": "^0.5.2",