diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a360e54a..f399a043 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -145,6 +145,10 @@ jobs:
         os: ${{ fromJSON(needs.define-matrix.outputs.os) }}
       fail-fast: false
     steps:
+      - name: "Update runner packages"
+        if: ${{ startsWith(matrix.os, 'ubuntu-') }}
+        run: sudo apt-get update && sudo apt-get install -y ca-certificates
+
       - name: "Checkout"
         uses: actions/checkout@v4
 
diff --git a/src/globals/test-extensions.php b/src/globals/test-extensions.php
index 76e91529..38109985 100644
--- a/src/globals/test-extensions.php
+++ b/src/globals/test-extensions.php
@@ -28,7 +28,7 @@ $test_os = [
     // 'macos-15', // bin/spc for arm64
     // 'ubuntu-latest', // bin/spc-alpine-docker for x86_64
     // 'ubuntu-22.04', // bin/spc-gnu-docker for x86_64
-    // 'ubuntu-24.04', // bin/spc for x86_64
+    'ubuntu-24.04', // bin/spc for x86_64
     // 'ubuntu-22.04-arm', // bin/spc-gnu-docker for arm64
     'ubuntu-24.04-arm', // bin/spc for arm64
     'windows-latest', // .\bin\spc.ps1