diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yaml
similarity index 67%
rename from .github/workflows/tests.yml
rename to .github/workflows/tests.yaml
index 24b1358..b702ff6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yaml
@@ -7,12 +7,12 @@ jobs:
         strategy:
             matrix:
                 node-version:
-                - 14.x
-                - 18.x
-                - 19.x
+                - 20.x
+                - 22.x
+                - latest
         steps:
-        - uses: actions/checkout@v3
-        - uses: actions/setup-node@v3
+        - uses: actions/checkout@v4
+        - uses: actions/setup-node@v4
           with:
               node-version: ${{ matrix.node-version }}
         - run: npm install-test
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9821e79..448d9c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,23 @@
 faucet-pipeline-css version history
 ===================================
 
+
+v0.4.0
+------
+
+_TBD_
+
+maintenance release to update dependencies
+
+* bumped Node requirement to v20 or later, dropping support for obsolete versions
+
+
 v0.3.0
 ------
 
 _2023-01-12_
 
-Maintenance release to update dependencies; no significant changes
+maintenance release to update dependencies; no significant changes
 
 
 v0.2.1
@@ -14,7 +25,7 @@ v0.2.1
 
 _2022-02-18_
 
-Maintenance release to update dependencies; no significant changes
+maintenance release to update dependencies; no significant changes
 
 
 v0.2.0
diff --git a/package.json b/package.json
index 512b3ab..eab6727 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "faucet-pipeline-css",
-	"version": "0.3.0",
+	"version": "0.4.0",
 	"description": "CSS for faucet-pipeline",
 	"main": "lib/index.js",
 	"scripts": {
@@ -19,20 +19,20 @@
 	},
 	"homepage": "https://www.faucet-pipeline.org",
 	"engines": {
-		"node": ">= 14"
+		"node": ">= 20"
 	},
 	"dependencies": {
-		"faucet-pipeline-core": "^2.0.0",
-		"postcss": "~8.4.12",
-		"postcss-discard-comments": "~5.1.0",
-		"postcss-import": "~15.1.0",
+		"faucet-pipeline-core": "^2.0.0 || ^3.0.0",
+		"postcss": "~8.5.3",
+		"postcss-discard-comments": "~7.0.3",
+		"postcss-import": "~16.1.0",
 		"postcss-message-helpers": "~2.0.0",
-		"postcss-normalize-whitespace": "~5.1.0"
+		"postcss-normalize-whitespace": "~7.0.0"
 	},
 	"devDependencies": {
 		"eslint-config-fnd": "^1.13.0",
 		"faucet-pipeline-static": "^2.1.0",
-		"json-diff": "^1.0.0",
+		"json-diff": "^1.0.6",
 		"npm-run-all": "^4.1.5",
 		"release-util-fnd": "^3.0.0"
 	}
diff --git a/test/test_error/expected.css b/test/test_error/expected.css
index 57f6f7f..a092679 100644
--- a/test/test_error/expected.css
+++ b/test/test_error/expected.css
@@ -1,5 +1,5 @@
 body:before {
-	content: "\26a0  CSS Error: src/index.css:2:2: Unknown word";
+	content: "\26a0  CSS Error: src/index.css:2:2: Unknown word color";
 	font-weight: bold;
 	display: block;
 	border: 5px solid red;