diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd8398216..3decc70d7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -95,6 +95,8 @@ jobs:
             extended_testing: 'both'
             joblabel: '(Coverage)'
           # Legacy Perl on Latest Ubuntu
+          - { os: 'ubuntu-latest',      perl: '5.6.1',  threaded: false }
+          - { os: 'ubuntu-latest',      perl: '5.6.2',  threaded: false }
           - { os: 'ubuntu-latest',      perl: '5.8.0',  threaded: false }
           - { os: 'ubuntu-latest',      perl: '5.8.1',  threaded: false }
           - { os: 'ubuntu-latest',      perl: '5.8.2',  threaded: false }
@@ -117,12 +119,15 @@ jobs:
           - { os: 'ubuntu-16.04',       perl: '5.30',   threaded: false }
           - { os: 'ubuntu-16.04',       perl: '5.32',   threaded: false }
           # Modern Perl on Mac OS 11
+          - { os: 'macos-11.0',         perl: '5.12',   threaded: false }
           - { os: 'macos-11.0',         perl: '5.30',   threaded: false }
           - { os: 'macos-11.0',         perl: '5.32',   threaded: false }
           # Modern Perl (threaded) on Mac OS 11
+          - { os: 'macos-11.0',         perl: '5.12',   threaded: true  }
           - { os: 'macos-11.0',         perl: '5.30',   threaded: true  }
           - { os: 'macos-11.0',         perl: '5.32',   threaded: true  }
           # Modern (Strawberry) Perl on Windows
+          - { os: 'strawberry',         perl: '5.12',   threaded: true  }
           - { os: 'strawberry',         perl: '5.30',   threaded: true  }
           - { os: 'strawberry',         perl: '5.32',   threaded: true  }
     steps:
@@ -141,7 +146,7 @@ jobs:
           perl -v
       - name: Install dependencies
         run: |
-          cpanm -n App::GhaProve
+          cpanm -n 'https://cpan.metacpan.org/authors/id/T/TO/TOBYINK/App-GhaProve-0.007.tar.gz'
           cpanm -n --installdeps ./build
       - name: Install extra dependencies
         if: matrix.extra_dependencies || matrix.coverage