diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b85d36..bb56cb4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ name: Tests
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     name: Node ${{ matrix.node }}
     strategy:
       matrix:
@@ -13,6 +13,8 @@ jobs:
           - '14'
           - '16'
           - '18'
+          - '20'
+          - '22'
     steps:
       - uses: actions/checkout@v2
       - name: Setup node
@@ -23,7 +25,7 @@ jobs:
       - run: npm test
 
   test-targets:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     name: ${{ matrix.targets.name }}
     strategy:
       matrix:
diff --git a/package.json b/package.json
index e1a9bc0..f7fd757 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "mocha": "^9.1.3",
     "nyc": "^15.0.0",
     "offline-github-changelog": "^1.7.0",
-    "pem": "^1.13.1",
+    "pem": "^1.14.8",
     "prettier": "~2.5.0",
     "request": "^2.53.0",
     "semver": "^7.0.0",
@@ -55,7 +55,7 @@
     "detect-indent": "^6.0.0",
     "memoizesync": "^1.1.1",
     "messy": "^7.0.0",
-    "mitm": "^1.7.1",
+    "mitm": "^1.7.3",
     "underscore": "^1.8.3",
     "unexpected-messy": "^11.0.1"
   },