diff --git a/.github/workflows/test-on-pr.yml b/.github/workflows/test-on-pr.yml
index 3253533..21855b2 100644
--- a/.github/workflows/test-on-pr.yml
+++ b/.github/workflows/test-on-pr.yml
@@ -44,12 +44,39 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - node_version: "lts"
+          # Common production setup
+          - node_version: "20"
+            npm_version: "10.0.0"
+            yarn_version: "4.0.0"
+            pnpm_version: "9.0.0"
+          # Current Active LTS with latest tools
+          - node_version: "22"
             npm_version: "latest"
             yarn_version: "latest"
             pnpm_version: "latest"
+          # Legacy support (EOL April 2025)
+          - node_version: "18"
+            npm_version: "9.0.0"
+            yarn_version: "3.6.0"
+            pnpm_version: "8.0.0"
+          # Mixed versions (old npm, new package managers)
+          - node_version: "20"
+            npm_version: "9.0.0"
+            yarn_version: "latest"
+            pnpm_version: "latest"
+          # Version pinning scenario
           - node_version: "22"
             npm_version: "10.0.0"
+            yarn_version: "4.0.0"
+            pnpm_version: "9.0.0"
+          # Backward compatibility testing
+          - node_version: "18"
+            npm_version: "latest"
+            yarn_version: "latest"
+            pnpm_version: "latest"
+          # Future compatibility (becomes LTS October 2025)
+          - node_version: "24"
+            npm_version: "latest"
             yarn_version: "latest"
             pnpm_version: "latest"