diff --git a/.github/workflows/perl_linux.yml b/.github/workflows/perl_linux.yml
index 4657697..1ff1cde 100644
--- a/.github/workflows/perl_linux.yml
+++ b/.github/workflows/perl_linux.yml
@@ -22,6 +22,7 @@ jobs:
           - '5.34'
           - '5.36'
           - '5.38'
+          - '5.40'
           - 'latest'
           - 'threaded'