diff --git a/.github/workflows/build-artifacts-manual.yml b/.github/workflows/build-artifacts-manual.yml
index 0517cb30..7faff7f5 100644
--- a/.github/workflows/build-artifacts-manual.yml
+++ b/.github/workflows/build-artifacts-manual.yml
@@ -68,6 +68,14 @@ jobs:
         with:
           version: 0.15.2
 
+      - name: Prefer official Ubuntu mirrors over Azure
+        run: |
+          if [ -f /etc/apt/apt-mirrors.txt ]; then
+            sudo sed -i '/azure.archive.ubuntu.com/d' /etc/apt/apt-mirrors.txt
+            echo "Using apt mirrors:"
+            cat /etc/apt/apt-mirrors.txt
+          fi
+
       - name: Install Linux build tools
         run: sudo apt-get update && sudo apt-get install -y cmake ninja-build musl-tools gcc-aarch64-linux-gnu crossbuild-essential-arm64
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f08fe274..4d596b85 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -64,6 +64,15 @@ jobs:
         with:
           version: 0.15.2
 
+      - name: Prefer official Ubuntu mirrors over Azure
+        if: runner.os == 'Linux'
+        run: |
+          if [ -f /etc/apt/apt-mirrors.txt ]; then
+            sudo sed -i '/azure.archive.ubuntu.com/d' /etc/apt/apt-mirrors.txt
+            echo "Using apt mirrors:"
+            cat /etc/apt/apt-mirrors.txt
+          fi
+
       - name: Install Linux build tools
         if: runner.os == 'Linux'
         run: sudo apt-get update && sudo apt-get install -y cmake ninja-build musl-tools gcc-aarch64-linux-gnu crossbuild-essential-arm64