diff --git a/.changeset/require-node-20.md b/.changeset/require-node-20.md
new file mode 100644
index 000000000..707905fe9
--- /dev/null
+++ b/.changeset/require-node-20.md
@@ -0,0 +1,5 @@
+---
+linaria: patch
+---
+
+Require Node.js `>=20` (aligned with WyW 1.x).
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 323c30149..5c47ba570 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        node-version: [18.x, 20.x, 22.x]
+        node-version: [20.x, 22.x]
         include:
           - os: windows-latest
             node-version: 20.x
diff --git a/README.md b/README.md
index cc2fae4a0..843f4dd9b 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,8 @@ See [Configuration](https://wyw-in-js.dev/configuration) to customize how Linari
 
 Linaria relies on WyW (`@wyw-in-js/*`) to evaluate your modules at build time and extract CSS. If you hit issues like slow builds, invalidation storms, or unexpected code being executed during the build, it’s usually related to the WyW evaluation model and how your modules are structured.
 
+Linaria 7 requires Node.js `>=20` (WyW 1.x enforces this via `engines`).
+
 See https://wyw-in-js.dev/stability for practical guidance and common pitfalls.
 
 ## Syntax
diff --git a/package.json b/package.json
index abb65e205..b170060ba 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "typescript": "^5.2.2"
   },
   "engines": {
-    "node": ">=16.0.0",
+    "node": ">=20.0.0",
     "pnpm": "^9.0.0"
   },
   "packageManager": "pnpm@9.15.9+sha256.cf86a7ad764406395d4286a6d09d730711720acc6d93e9dce9ac7ac4dc4a28a7"
diff --git a/packages/atomic/package.json b/packages/atomic/package.json
index 09ed8681c..e3ca7c33c 100644
--- a/packages/atomic/package.json
+++ b/packages/atomic/package.json
@@ -72,7 +72,7 @@
     }
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/core/package.json b/packages/core/package.json
index 5ede54aad..61a8c203a 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -68,7 +68,7 @@
     "@types/node": "^17.0.39"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/interop/package.json b/packages/interop/package.json
index 1abea2234..26ab8b593 100644
--- a/packages/interop/package.json
+++ b/packages/interop/package.json
@@ -34,7 +34,7 @@
     "dedent": "^1.5.1"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/linaria/package.json b/packages/linaria/package.json
index 0115aee9c..ae8729420 100644
--- a/packages/linaria/package.json
+++ b/packages/linaria/package.json
@@ -50,7 +50,7 @@
     "@linaria/server": "workspace:^"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/postcss-linaria/package.json b/packages/postcss-linaria/package.json
index 8f6914dc5..a937e5c50 100644
--- a/packages/postcss-linaria/package.json
+++ b/packages/postcss-linaria/package.json
@@ -48,7 +48,7 @@
     "postcss": "^8.4.31"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/react/package.json b/packages/react/package.json
index 13316d255..3bd9228b1 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -79,7 +79,7 @@
     "react": ">=16"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/server/package.json b/packages/server/package.json
index ae0112f9c..6bbf2d60e 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -37,7 +37,7 @@
     "prettier": "^3.0.3"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/stylelint-config-standard-linaria/package.json b/packages/stylelint-config-standard-linaria/package.json
index dee1a453c..63f50d7e3 100644
--- a/packages/stylelint-config-standard-linaria/package.json
+++ b/packages/stylelint-config-standard-linaria/package.json
@@ -37,7 +37,7 @@
     "stylelint-config-standard": "^28.0.0"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/stylelint/package.json b/packages/stylelint/package.json
index 999a69925..67d84d267 100644
--- a/packages/stylelint/package.json
+++ b/packages/stylelint/package.json
@@ -37,7 +37,7 @@
     "@types/node": "^17.0.39"
   },
   "engines": {
-    "node": ">=16.11.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/testkit/package.json b/packages/testkit/package.json
index a4c67af84..0d25c5fb1 100644
--- a/packages/testkit/package.json
+++ b/packages/testkit/package.json
@@ -56,7 +56,7 @@
     "ts-jest": "^29.1.1"
   },
   "engines": {
-    "node": ">=16.11.0"
+    "node": ">=20.0.0"
   },
   "publishConfig": {
     "access": "public"