diff --git a/package.json b/package.json
index 4ec70df7e316d..a1142bed5fa15 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "relay",
   "description": "A framework for building data-driven React applications.",
-  "version": "9.1.0",
+  "version": "10.0.0",
   "license": "MIT",
   "homepage": "https://relay.dev",
   "bugs": "https://github.com/facebook/relay/issues",
diff --git a/packages/babel-plugin-relay/package.json b/packages/babel-plugin-relay/package.json
index 62080ab6725e0..a52b756acd03c 100644
--- a/packages/babel-plugin-relay/package.json
+++ b/packages/babel-plugin-relay/package.json
@@ -1,7 +1,7 @@
 {
   "name": "babel-plugin-relay",
   "description": "A Babel Plugin for use with Relay applications.",
-  "version": "9.1.0",
+  "version": "10.0.0",
   "keywords": [
     "graphql",
     "relay",
diff --git a/packages/react-relay/package.json b/packages/react-relay/package.json
index 0041cca52dc1e..e8a427bd3ef0c 100644
--- a/packages/react-relay/package.json
+++ b/packages/react-relay/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react-relay",
   "description": "A framework for building GraphQL-driven React applications.",
-  "version": "9.1.0",
+  "version": "10.0.0",
   "keywords": [
     "graphql",
     "relay",
@@ -15,7 +15,7 @@
     "@babel/runtime": "^7.0.0",
     "fbjs": "^1.0.0",
     "nullthrows": "^1.1.1",
-    "relay-runtime": "9.1.0"
+    "relay-runtime": "10.0.0"
   },
   "peerDependencies": {
     "react": "^16.9.0"
diff --git a/packages/relay-compiler/package.json b/packages/relay-compiler/package.json
index 88aadef46ba84..208935f0688e8 100644
--- a/packages/relay-compiler/package.json
+++ b/packages/relay-compiler/package.json
@@ -1,7 +1,7 @@
 {
   "name": "relay-compiler",
   "description": "A compiler tool for building GraphQL-driven applications.",
-  "version": "9.1.0",
+  "version": "10.0.0",
   "keywords": [
     "graphql",
     "relay"
@@ -28,7 +28,7 @@
     "glob": "^7.1.1",
     "immutable": "~3.7.6",
     "nullthrows": "^1.1.1",
-    "relay-runtime": "9.1.0",
+    "relay-runtime": "10.0.0",
     "signedsource": "^1.0.0",
     "yargs": "^15.3.1"
   },
diff --git a/packages/relay-config/package.json b/packages/relay-config/package.json
index d241dedf3665b..4c5ae5e072b69 100644
--- a/packages/relay-config/package.json
+++ b/packages/relay-config/package.json
@@ -1,7 +1,7 @@
 {
   "name": "relay-config",
   "description": "Config parser for Relay applications.",
-  "version": "9.1.0",
+  "version": "10.0.0",
   "keywords": [
     "graphql",
     "relay"
@@ -15,6 +15,6 @@
     "cosmiconfig": "^5.0.5"
   },
   "peerDependencies": {
-    "relay-compiler": "9.1.0"
+    "relay-compiler": "10.0.0"
   }
 }
diff --git a/packages/relay-experimental/package.json b/packages/relay-experimental/package.json
index 44ec700d92e45..5a7d8b709321e 100644
--- a/packages/relay-experimental/package.json
+++ b/packages/relay-experimental/package.json
@@ -1,7 +1,7 @@
 {
   "name": "relay-experimental",
   "description": "Contains unstable, experimental code",
-  "version": "9.1.0",
+  "version": "10.0.0",
   "keywords": [
     "graphql",
     "relay"
@@ -13,8 +13,8 @@
   "dependencies": {
     "@babel/runtime": "^7.0.0",
     "fbjs": "^1.0.0",
-    "react-relay": "9.1.0",
-    "relay-runtime": "9.1.0",
+    "react-relay": "10.0.0",
+    "relay-runtime": "10.0.0",
     "react-refresh": "^0.4.0"
   },
   "directories": {
diff --git a/packages/relay-runtime/package.json b/packages/relay-runtime/package.json
index 969a75b98236a..2b376400b4332 100644
--- a/packages/relay-runtime/package.json
+++ b/packages/relay-runtime/package.json
@@ -1,7 +1,7 @@
 {
   "name": "relay-runtime",
   "description": "A core runtime for building GraphQL-driven applications.",
-  "version": "9.1.0",
+  "version": "10.0.0",
   "keywords": [
     "graphql",
     "relay"
diff --git a/packages/relay-test-utils-internal/package.json b/packages/relay-test-utils-internal/package.json
index dc50770bce7b7..d3b002f150d31 100644
--- a/packages/relay-test-utils-internal/package.json
+++ b/packages/relay-test-utils-internal/package.json
@@ -1,7 +1,7 @@
 {
   "name": "relay-test-utils-internal",
   "description": "Internal utilities for testing Relay.",
-  "version": "9.1.0",
+  "version": "10.0.0",
   "keywords": [
     "graphql",
     "relay"
@@ -13,8 +13,8 @@
   "dependencies": {
     "@babel/runtime": "^7.0.0",
     "fbjs": "^1.0.0",
-    "relay-runtime": "9.1.0",
-    "relay-compiler": "9.1.0"
+    "relay-runtime": "10.0.0",
+    "relay-compiler": "10.0.0"
   },
   "peerDependencies": {
     "graphql": "^15.0.0"
diff --git a/packages/relay-test-utils/package.json b/packages/relay-test-utils/package.json
index aa4206d144efd..41e49fedfc08c 100644
--- a/packages/relay-test-utils/package.json
+++ b/packages/relay-test-utils/package.json
@@ -1,7 +1,7 @@
 {
   "name": "relay-test-utils",
   "description": "Utilities for testing Relay applications.",
-  "version": "9.1.0",
+  "version": "10.0.0",
   "keywords": [
     "graphql",
     "relay"
@@ -13,7 +13,7 @@
   "dependencies": {
     "@babel/runtime": "^7.0.0",
     "fbjs": "^1.0.0",
-    "relay-runtime": "9.1.0"
+    "relay-runtime": "10.0.0"
   },
   "peerDependencies": {
     "graphql": "^15.0.0"