diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b8f6198..0b9dd24 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,13 @@ jobs:
       - name: Install mu4e
         run: |
           emacs=`which emacs`
+
+          # Ubuntu<24
+          test -e /etc/apt/sources.list && \
+            sudo sed -i '/^deb/P;s/^deb/deb-src/' /etc/apt/sources.list
+          # Ubuntu>=24
           sudo sed -i 's/^Types: deb/Types: deb deb-src/' /etc/apt/sources.list.d/*
+
           sudo apt-get update
           sudo apt-get install git meson emacs
           sudo apt-get build-dep maildir-utils