diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9d37730..8819af8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [ 14, 16, 18, 19]
+        node: [ 16, 18, 20, 21]
         os: [ubuntu-latest, windows-latest]
 
     steps:
diff --git a/package.json b/package.json
index 03b146c..d4757dd 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "coveralls-next",
   "description": "takes json-cov output into stdin and POSTs to coveralls.io",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "keywords": [
     "coverage",
     "coveralls"
@@ -50,22 +50,22 @@
     "js-yaml": "4.1.0",
     "lcov-parse": "1.0.0",
     "log-driver": "1.2.7",
-    "minimist": "1.2.7"
+    "minimist": "1.2.8"
   },
   "devDependencies": {
-    "eslint": "8.29.0",
+    "eslint": "8.57.0",
     "eslint-config-google": "0.14.0",
-    "eslint-config-prettier": "8.5.0",
-    "eslint-plugin-prettier": "4.2.1",
-    "mocha": "10.1.0",
+    "eslint-config-prettier": "9.1.0",
+    "eslint-plugin-prettier": "5.1.3",
+    "mocha": "10.4.0",
     "nyc": "15.1.0",
-    "prettier": "2.8.0",
+    "prettier": "3.2.5",
     "should": "13.2.3",
     "shx": "0.3.4",
-    "sinon": "15.0.0"
+    "sinon": "17.0.1"
   },
   "engines": {
-    "node": ">=14"
+    "node": ">=16"
   },
   "files": [
     "bin/coveralls.js",