diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9843f596..bef21e6a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -242,65 +242,36 @@ jobs:
   # ######################################
   # Plugin Check
   # ######################################
-  # TEMPORARILY DISABLED — this job is a green no-op placeholder. The real
-  # plugin-check steps are commented out below (not deleted) so the job keeps
-  # its place in the pipeline and downstream `needs: [plugin-check]` stays
-  # satisfied; restore them in one edit once the upstream bug is fixed.
-  #
-  # `continue-on-error: true` was not enough: a failing-but-tolerated job still
-  # renders as a red ✗ in the GitHub UI. An early `exit 0` keeps it green while
-  # surfacing a warning annotation so the skip stays visible.
-  #
-  # TODO: re-enable the "Run plugin check" step (and delete the notice step)
-  # once WordPress/plugin-check-action#579 is fixed upstream. The action
-  # auto-generates a .wp-env.json that pulls plugin-check.zip via a URL; on
-  # Node 24.16 runners that download path trips a latent @wordpress/env bug, so
-  # `wp-env start` silently exits 0 and the check reports "Environment not
-  # initialized". Not caused by this repo.
-  # https://github.com/WordPress/plugin-check-action/issues/579
   plugin-check:
     name: Plugin Check
     runs-on: ubuntu-22.04
     needs: [build]
 
     steps:
-      - name: Plugin Check temporarily skipped
-        run: |
-          echo "::warning title=Plugin Check skipped::Temporarily disabled pending WordPress/plugin-check-action#579. See the TODO in .github/workflows/main.yml."
-          {
-            echo "### ⚠️ Plugin Check temporarily skipped"
-            echo ""
-            echo "This job is a green no-op placeholder while [plugin-check-action#579](https://github.com/WordPress/plugin-check-action/issues/579) is fixed upstream."
-            echo "Re-enable the real step in \`.github/workflows/main.yml\`."
-          } >> "$GITHUB_STEP_SUMMARY"
-          exit 0
-
-      # TODO: restore the steps below (and remove the notice step above) once
-      # WordPress/plugin-check-action#579 is fixed upstream.
-      # - uses: actions/checkout@v6
-      #
-      # - name: Download artifact
-      #   uses: actions/download-artifact@v8
-      #   with:
-      #     name: ${{ vars.WP_ORG_PLUGIN_NAME }}.zip
-      #     path: /tmp
-      #
-      # - name: Unzip plugin ZIP
-      #   run: unzip ${{ vars.WP_ORG_PLUGIN_NAME }}.zip
-      #   working-directory: /tmp
-      #
-      # - name: Login to GitHub Container Registry
-      #   uses: docker/login-action@v4
-      #   with:
-      #     registry: ghcr.io
-      #     username: ${{ github.actor }}
-      #     password: ${{ secrets.GITHUB_TOKEN }}
-      #
-      # - name: Run plugin check
-      #   uses: wordpress/plugin-check-action@v1
-      #   with:
-      #     build-dir: /tmp/${{ vars.WP_ORG_PLUGIN_NAME }}
-      #     exclude-directories: 'vendor'
+      - uses: actions/checkout@v6
+
+      - name: Download artifact
+        uses: actions/download-artifact@v8
+        with:
+          name: ${{ vars.WP_ORG_PLUGIN_NAME }}.zip
+          path: /tmp
+
+      - name: Unzip plugin ZIP
+        run: unzip ${{ vars.WP_ORG_PLUGIN_NAME }}.zip
+        working-directory: /tmp
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v4
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Run plugin check
+        uses: wordpress/plugin-check-action@v1.1.7
+        with:
+          build-dir: /tmp/${{ vars.WP_ORG_PLUGIN_NAME }}
+          exclude-directories: 'vendor'
 
   # ######################################
   # PHPUnit Tests
diff --git a/readme.txt b/readme.txt
index 1fcef321..1c46bce8 100755
--- a/readme.txt
+++ b/readme.txt
@@ -4,6 +4,7 @@ Contributors: beyondwords, stuartmcalpine
 Donate link: https://beyondwords.io
 Tags: text-to-speech, tts, audio, AI, voice cloning
 Stable tag: 7.0.0-dev-2.0
+Requires at least: 5.9
 Requires PHP: 8.0
 Tested up to: 7.0
 License: GPLv2 or later
diff --git a/speechkit.php b/speechkit.php
index f1d764d3..c297bd37 100755
--- a/speechkit.php
+++ b/speechkit.php
@@ -21,7 +21,7 @@
  * Text Domain:       speechkit
  * Domain Path:       /languages
  * Requires PHP:      8.0
- * Requires at least: 5.8
+ * Requires at least: 5.9
  */
 // phpcs:enable