diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c60f513..516d36f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       matrix:
         # We test against different OSes, because the build toolchain has OS-specific dependencies.
         os: ["ubuntu-latest", "windows-latest", "macos-latest"]
-        node-version: ["20.x", "18.x"]
+        node-version: ["22.x", "20.x", "18.x"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
@@ -30,7 +30,7 @@ jobs:
       - run: npm run test
       # Upload coverage for sonarcube (only matching OS and one node version required)
       - uses: actions/upload-artifact@v4
-        if: ${{ matrix.node-version == '20.x' }}
+        if: ${{ matrix.node-version == '22.x' }}
         with:
           name: code-coverage-${{ matrix.os }}-${{matrix.node-version}}
           path: coverage/
@@ -47,7 +47,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/download-artifact@v4
         with:
-          name: code-coverage-ubuntu-latest-20.x
+          name: code-coverage-ubuntu-latest-22.x
           path: coverage/
       - uses: SonarSource/sonarcloud-github-action@v2
         env:
diff --git a/.github/workflows/e2e-node.yml b/.github/workflows/e2e-node.yml
index bb7352b..40138a6 100644
--- a/.github/workflows/e2e-node.yml
+++ b/.github/workflows/e2e-node.yml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node-version: ["20.x", "18.x"]
+        node-version: ["22.x", "20.x", "18.x"]
         # PodSpaces doesn't support error descriptions yet.
         environment-name: ["ESS Dev-2-3"]
         experimental: [false]
diff --git a/.nvmrc b/.nvmrc
index 209e3ef..2bd5a0a 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-20
+22
diff --git a/README.md b/README.md
index 348b042..8d4b31c 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ and `String.prototype.endsWith`.
 ## Node.js Support
 
 Our JavaScript Client Libraries track Node.js [LTS
-releases](https://nodejs.org/en/about/releases/), and support 18.x and 20.x.
+releases](https://nodejs.org/en/about/releases/), and support 18.x, 20.x, and 22.x.
 
 # Installation
 
diff --git a/package-lock.json b/package-lock.json
index 7e74094..2926030 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "typescript": "^5.5.4"
       },
       "engines": {
-        "node": "^18.0.0 || ^20.0.0"
+        "node": "^18.0.0 || ^20.0.0 || ^22.0.0"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
diff --git a/package.json b/package.json
index d17477e..34c025d 100644
--- a/package.json
+++ b/package.json
@@ -70,6 +70,6 @@
     "typescript": "^5.5.4"
   },
   "engines": {
-    "node": "^18.0.0 || ^20.0.0"
+    "node": "^18.0.0 || ^20.0.0 || ^22.0.0"
   }
 }