diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 29ea93e0..bde0df04 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,7 @@ jobs:
   test:
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [ macos-latest, windows-latest ]
         perl: [ "5" ]
@@ -24,7 +25,6 @@ jobs:
           - { os: "ubuntu-latest", perl: "5.20" }
           - { os: "ubuntu-latest", perl: "5.22" }
           - { os: "ubuntu-latest", perl: "5.24" }
-          - { os: "ubuntu-latest", perl: "5.24" }
           - { os: "ubuntu-latest", perl: "5.26" }
           - { os: "ubuntu-latest", perl: "5.28" }
           - { os: "ubuntu-latest", perl: "5.30" }
@@ -32,6 +32,7 @@ jobs:
           - { os: "ubuntu-latest", perl: "5.34" }
           - { os: "ubuntu-latest", perl: "5.36" }
           - { os: "ubuntu-latest", perl: "5.38" }
+          - { os: "ubuntu-latest", perl: "5.40" }
           - { os: "ubuntu-latest", perl: "5.38", perl-threaded: true }
 
     steps: