diff --git a/.changeset/fair-ears-compare.md b/.changeset/fair-ears-compare.md
new file mode 100644
index 0000000000..a5c3bd3ff5
--- /dev/null
+++ b/.changeset/fair-ears-compare.md
@@ -0,0 +1,16 @@
+---
+'@astrojs/markdoc': minor
+'@astrojs/preact': minor
+'@astrojs/svelte': minor
+'@astrojs/react': minor
+'@astrojs/solid-js': minor
+'@astrojs/mdx': minor
+'@astrojs/vue': minor
+'create-astro': minor
+'@astrojs/prism': minor
+'@astrojs/telemetry': minor
+'@astrojs/upgrade': minor
+'astro': minor
+---
+
+Drops node 21 support
diff --git a/package.json b/package.json
index 8b4db74826..1da000f566 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "packages/*"
   ],
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "packageManager": "pnpm@9.12.1",
   "dependencies": {
diff --git a/packages/astro-prism/package.json b/packages/astro-prism/package.json
index f3ba16f4e8..35bd062017 100644
--- a/packages/astro-prism/package.json
+++ b/packages/astro-prism/package.json
@@ -39,6 +39,6 @@
     "astro-scripts": "workspace:*"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   }
 }
diff --git a/packages/astro/package.json b/packages/astro/package.json
index 961c04c43f..6c64e5cd73 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -218,7 +218,7 @@
     "vitest": "^2.1.6"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0",
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0",
     "npm": ">=9.6.5",
     "pnpm": ">=7.1.0"
   },
diff --git a/packages/create-astro/package.json b/packages/create-astro/package.json
index 1d20f12b79..5d1846d85c 100644
--- a/packages/create-astro/package.json
+++ b/packages/create-astro/package.json
@@ -40,7 +40,7 @@
     "strip-json-comments": "^5.0.1"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "publishConfig": {
     "provenance": true
diff --git a/packages/integrations/markdoc/package.json b/packages/integrations/markdoc/package.json
index 08c9b816e2..80c4e77715 100644
--- a/packages/integrations/markdoc/package.json
+++ b/packages/integrations/markdoc/package.json
@@ -82,7 +82,7 @@
     "vite": "^6.0.1"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "publishConfig": {
     "provenance": true
diff --git a/packages/integrations/mdx/package.json b/packages/integrations/mdx/package.json
index 00e5598d55..52b3718159 100644
--- a/packages/integrations/mdx/package.json
+++ b/packages/integrations/mdx/package.json
@@ -73,7 +73,7 @@
     "vite": "^6.0.1"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "publishConfig": {
     "provenance": true
diff --git a/packages/integrations/preact/package.json b/packages/integrations/preact/package.json
index 1a39b5a003..c681c165d8 100644
--- a/packages/integrations/preact/package.json
+++ b/packages/integrations/preact/package.json
@@ -52,7 +52,7 @@
     "preact": "^10.6.5"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "publishConfig": {
     "provenance": true
diff --git a/packages/integrations/react/package.json b/packages/integrations/react/package.json
index 5ffb1975a5..4a0c7262bf 100644
--- a/packages/integrations/react/package.json
+++ b/packages/integrations/react/package.json
@@ -69,7 +69,7 @@
     "react-dom": "^17.0.2 || ^18.0.0 || ^19.0.0-beta"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "publishConfig": {
     "provenance": true
diff --git a/packages/integrations/solid/package.json b/packages/integrations/solid/package.json
index 0e3e9ffade..dd76b0618c 100644
--- a/packages/integrations/solid/package.json
+++ b/packages/integrations/solid/package.json
@@ -53,7 +53,7 @@
     }
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "publishConfig": {
     "provenance": true
diff --git a/packages/integrations/svelte/package.json b/packages/integrations/svelte/package.json
index e8ef15a039..3fa631485a 100644
--- a/packages/integrations/svelte/package.json
+++ b/packages/integrations/svelte/package.json
@@ -54,7 +54,7 @@
     "typescript": "^5.3.3"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "publishConfig": {
     "provenance": true
diff --git a/packages/integrations/vue/package.json b/packages/integrations/vue/package.json
index e6a9db0956..9aec751085 100644
--- a/packages/integrations/vue/package.json
+++ b/packages/integrations/vue/package.json
@@ -60,7 +60,7 @@
     "vue": "^3.2.30"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "publishConfig": {
     "provenance": true
diff --git a/packages/telemetry/package.json b/packages/telemetry/package.json
index 5111f168c0..bd1fdf16d5 100644
--- a/packages/telemetry/package.json
+++ b/packages/telemetry/package.json
@@ -45,7 +45,7 @@
     "astro-scripts": "workspace:*"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   },
   "publishConfig": {
     "provenance": true
diff --git a/packages/upgrade/package.json b/packages/upgrade/package.json
index 872f6e7295..cde55ca816 100644
--- a/packages/upgrade/package.json
+++ b/packages/upgrade/package.json
@@ -40,6 +40,6 @@
     "astro-scripts": "workspace:*"
   },
   "engines": {
-    "node": "^18.17.1 || ^20.3.0 || >=21.0.0"
+    "node": "^18.17.1 || ^20.3.0 || >=22.0.0"
   }
 }