diff --git a/.changeset/giant-hotels-love.md b/.changeset/giant-hotels-love.md
new file mode 100644
index 00000000000..b4a364d0fb6
--- /dev/null
+++ b/.changeset/giant-hotels-love.md
@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Include React 18 in peerDependencies
diff --git a/package-lock.json b/package-lock.json
index f03aaa7799a..2b5d3568cd4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -132,8 +132,8 @@
         "npm": ">=7"
       },
       "peerDependencies": {
-        "react": "^17.0.0",
-        "react-dom": "^17.0.0",
+        "react": "^17.0.0 || ^18.0.0",
+        "react-dom": "^17.0.0 || ^18.0.0",
         "styled-components": "4.x || 5.x"
       }
     },
diff --git a/package.json b/package.json
index a3a1d21839a..6be803dab9c 100644
--- a/package.json
+++ b/package.json
@@ -199,8 +199,8 @@
     "typescript": "4.5.4"
   },
   "peerDependencies": {
-    "react": "^17.0.0",
-    "react-dom": "^17.0.0",
+    "react": "^17.0.0 || ^18.0.0",
+    "react-dom": "^17.0.0 || ^18.0.0",
     "styled-components": "4.x || 5.x"
   },
   "prettier": "@github/prettier-config",