diff --git a/.github/workflows/http3-linux.yml b/.github/workflows/http3-linux.yml
index 66b4b7c0c8..c8514c4af3 100644
--- a/.github/workflows/http3-linux.yml
+++ b/.github/workflows/http3-linux.yml
@@ -160,6 +160,8 @@ jobs:
       - name: install build prerequisites
         if: steps.settings.outputs.needs-build == 'true'
         run: |
+          sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
+          sudo apt-get update -y
           sudo apt-get install libtool autoconf automake pkgconf stunnel4 \
             libpsl-dev libbrotli-dev libzstd-dev zlib1g-dev libev-dev libc-ares-dev \
             nettle-dev libp11-kit-dev libtspi-dev libunistring-dev guile-2.2-dev libtasn1-bin \
@@ -294,6 +296,8 @@ jobs:
 
     steps:
       - run: |
+          sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
+          sudo apt-get update -y
           sudo apt-get install libtool autoconf automake pkgconf stunnel4 \
             libpsl-dev libbrotli-dev libzstd-dev zlib1g-dev libev-dev libc-ares-dev \
             nettle-dev libp11-kit-dev libtspi-dev libunistring-dev guile-2.2-dev libtasn1-bin \
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 1f3e8e864a..0ee5601d3e 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -245,6 +245,8 @@ jobs:
     steps:
       - if: matrix.build.container == null
         run: |
+          sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
+          sudo apt-get update -y
           sudo apt-get install libtool autoconf automake ninja-build pkgconf stunnel4 libpsl-dev libbrotli-dev libzstd-dev \
             ${{ matrix.build.install_packages }}
           sudo python3 -m pip install impacket
@@ -267,6 +269,7 @@ jobs:
 
       - if: contains(matrix.build.install_steps, 'gcc-11')
         run: |
+          sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
           sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa
           sudo apt-get update
           sudo apt-get install gcc-11