diff --git a/.github/workflows/monitor-php8.3.yml b/.github/workflows/monitor-php8.3.yml
index 9eb6679..d101eb5 100644
--- a/.github/workflows/monitor-php8.3.yml
+++ b/.github/workflows/monitor-php8.3.yml
@@ -16,6 +16,7 @@ jobs:
           - alpine3.17
           - alpine3.18
           - alpine3.19
+          - alpine3.20
           - bullseye
           - bookworm
     name: Check on ${{ matrix.distro }}
diff --git a/.github/workflows/test-extensions.yml b/.github/workflows/test-extensions.yml
index 74c6e9b..f35486e 100644
--- a/.github/workflows/test-extensions.yml
+++ b/.github/workflows/test-extensions.yml
@@ -74,6 +74,7 @@ jobs:
           - alpine3.17
           - alpine3.18
           - alpine3.19
+          - alpine3.20
           - jessie
           - stretch
           - buster
diff --git a/.github/workflows/test-recent-extensions.yml b/.github/workflows/test-recent-extensions.yml
index faa7e98..d51c926 100644
--- a/.github/workflows/test-recent-extensions.yml
+++ b/.github/workflows/test-recent-extensions.yml
@@ -48,6 +48,7 @@ jobs:
           - alpine3.17
           - alpine3.18
           - alpine3.19
+          - alpine3.20
           - jessie
           - stretch
           - buster