diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 8b321f19..25d94de0 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -17,8 +17,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # Supported node versions are active lts and maintenance see https://nodejs.org/en/about/releases/
-        node-version: [24.x]
+        # Test Node.js 24 and 26 across the Factorio matrix; Node.js 22 runs coverage below.
+        # Node.js release schedule: https://nodejs.org/en/about/releases/
+        node-version: [24.x, 26.x]
 
         # Supported factorio versions are latest stable and one minor version before stable (even if from a previous major) 
         factorio-version: [1.1.110, 2.0.77, 2.1.17]
@@ -86,7 +87,7 @@ jobs:
         node scripts/version-compat-test.js
         --controller ${{ matrix.controller }}
         --host ${{ matrix.host }}
-        --published-version $PUBLISHED_VERSION
+        --published-version "$PUBLISHED_VERSION"
 
   lint:
     runs-on: ubuntu-latest
diff --git a/test/integration/clusterio.js b/test/integration/clusterio.js
index daecef5c..6de2cc31 100644
--- a/test/integration/clusterio.js
+++ b/test/integration/clusterio.js
@@ -142,6 +142,7 @@ describe("Integration of Clusterio", function() {
 
 		describe("copy-static", function() {
 			it("should copy the files from dist/web/static", async function() {
+				slowTest(this);
 				const dir = "temp/test/copy-static";
 				await fs.rm(dir, { force: true, recursive: true, maxRetries: 10 });
 				await execController("copy-static copy-static");