diff --git a/.github/workflows/abi.yml b/.github/workflows/abi.yml
index c08125988..e2b471f16 100644
--- a/.github/workflows/abi.yml
+++ b/.github/workflows/abi.yml
@@ -16,6 +16,11 @@ jobs:
       with:
           path: current
 
+    - name: fix flaky azure mirrors
+      if: ${{ runner.os == 'Linux' }}
+      run: |
+        sudo sed -i 's/azure\./de\./' /etc/apt/sources.list
+
     - name: install abidiff
       run: sudo apt-get update && sudo apt-get install -y abigail-tools
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5661ab96c..93eccbfaf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,6 +33,11 @@ jobs:
       run: |
         echo "OPENSSL_ROOT_DIR=/usr/local/opt/openssl" >> $GITHUB_ENV
 
+    - name: fix flaky azure mirrors
+      if: ${{ runner.os == 'Linux' }}
+      run: |
+        sudo sed -i 's/azure\./de\./' /etc/apt/sources.list
+
     - name: install packages
       if: ${{ runner.os == 'Linux' }}
       run: |
diff --git a/.github/workflows/c99.yml b/.github/workflows/c99.yml
index 18b8a511d..2a22bab5b 100644
--- a/.github/workflows/c99.yml
+++ b/.github/workflows/c99.yml
@@ -18,6 +18,11 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
+    - name: fix flaky azure mirrors
+      if: ${{ runner.os == 'Linux' }}
+      run: |
+        sudo sed -i 's/azure\./de\./' /etc/apt/sources.list
+
     - name: install packages
       run: |
         sudo apt-get update && sudo apt-get install -y ninja-build
diff --git a/.github/workflows/clang-analyze.yml b/.github/workflows/clang-analyze.yml
index 1c8d56166..25fc64629 100644
--- a/.github/workflows/clang-analyze.yml
+++ b/.github/workflows/clang-analyze.yml
@@ -18,6 +18,11 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
+    - name: fix flaky azure mirrors
+      if: ${{ runner.os == 'Linux' }}
+      run: |
+        sudo sed -i 's/azure\./de\./' /etc/apt/sources.list
+
     - name: Install clang-tools
       run: |
         wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index c5510a18d..7d9d682e7 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -18,6 +18,11 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
+    - name: fix flaky azure mirrors
+      if: ${{ runner.os == 'Linux' }}
+      run: |
+        sudo sed -i 's/azure\./de\./' /etc/apt/sources.list
+
     - name: install packages
       run: |
         sudo apt-get update && sudo apt-get install -y ninja-build
diff --git a/.github/workflows/mingw.yml b/.github/workflows/mingw.yml
index 00620159e..3626637d8 100644
--- a/.github/workflows/mingw.yml
+++ b/.github/workflows/mingw.yml
@@ -10,6 +10,12 @@ jobs:
       CMAKE_GENERATOR: Ninja
 
     steps:
+
+    - name: fix flaky azure mirrors
+      if: ${{ runner.os == 'Linux' }}
+      run: |
+        sudo sed -i 's/azure\./de\./' /etc/apt/sources.list
+
     - name: "install packages"
       run: |
         sudo apt-get update && sudo apt-get install -y mingw-w64 ninja-build
diff --git a/.github/workflows/sanitizers.yml b/.github/workflows/sanitizers.yml
index e130f526a..fee98b971 100644
--- a/.github/workflows/sanitizers.yml
+++ b/.github/workflows/sanitizers.yml
@@ -25,6 +25,11 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
+    - name: fix flaky azure mirrors
+      if: ${{ runner.os == 'Linux' }}
+      run: |
+        sudo sed -i 's/azure\./de\./' /etc/apt/sources.list
+
     - name: install packages
       run: |
         sudo apt-get update && sudo apt-get install -y ninja-build
diff --git a/.github/workflows/ssl.yml b/.github/workflows/ssl.yml
index 97c58b226..f9a78d9b0 100644
--- a/.github/workflows/ssl.yml
+++ b/.github/workflows/ssl.yml
@@ -16,6 +16,11 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
+    - name: fix flaky azure mirrors
+      if: ${{ runner.os == 'Linux' }}
+      run: |
+        sudo sed -i 's/azure\./de\./' /etc/apt/sources.list
+
     - name: install packages
       run: |
         sudo apt-get update && sudo apt-get install -y ninja-build
diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
index 24fee4303..3f4dd099c 100644
--- a/.github/workflows/valgrind.yml
+++ b/.github/workflows/valgrind.yml
@@ -12,6 +12,11 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
+    - name: fix flaky azure mirrors
+      if: ${{ runner.os == 'Linux' }}
+      run: |
+        sudo sed -i 's/azure\./de\./' /etc/apt/sources.list
+
     - name: install packages
       run: |
         sudo apt-get update && sudo apt-get install -y libssl-dev valgrind ninja-build