diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7ee0feb8..03b7ad07 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x, 16.x, 18.x]
+        node-version: [16.x, 18.x]
     steps:
     - name: checkout
       uses: actions/checkout@v2
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x, 16.x, 18.x]
+        node-version: [16.x, 18.x]
     steps:
     - name: checkout
       uses: actions/checkout@v2
@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x]
+        node-version: [16.x]
     steps:
     - name: checkout
       uses: actions/checkout@v2
diff --git a/docs/migrating-to-6.md b/docs/migrating-to-6.md
new file mode 100644
index 00000000..843987be
--- /dev/null
+++ b/docs/migrating-to-6.md
@@ -0,0 +1,5 @@
+# Migrating to `hafas-client@5`
+
+## If you use Node.js <16…
+
+…migrate to Node `16` ("Gallium"), sorry. [Node `10`, `12` & `14` are out of (active) LTS now](https://nodejs.org/en/about/releases/).
diff --git a/package.json b/package.json
index db5186bd..34f20826 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
 		"http"
 	],
 	"engines": {
-		"node": ">=10"
+		"node": ">=16"
 	},
 	"dependencies": {
 		"@derhuerst/br2nl": "^1.0.0",