diff --git a/.github/workflows/cmake-cross-compile.yml b/.github/workflows/cmake-cross-compile.yml
index 0b60d63..fee4af5 100644
--- a/.github/workflows/cmake-cross-compile.yml
+++ b/.github/workflows/cmake-cross-compile.yml
@@ -14,6 +14,10 @@ jobs:
     steps:
     - name: Install dependencies
       run: |
+        cat << EOF | sudo tee /etc/apt/sources.list.d/gdc-backports.list
+        deb http://ppa.launchpad.net/ubuntu-toolchain-r/ppa/ubuntu jammy main
+        deb-src http://ppa.launchpad.net/ubuntu-toolchain-r/ppa/ubuntu jammy main
+        EOF
         apt-get update
         apt-get install -y git gdc-13-aarch64-linux-gnu dub libz-dev
 
@@ -44,6 +48,10 @@ jobs:
     steps:
     - name: Install dependencies
       run: |
+        cat << EOF | sudo tee /etc/apt/sources.list.d/gdc-backports.list
+        deb http://ppa.launchpad.net/ubuntu-toolchain-r/ppa/ubuntu jammy main
+        deb-src http://ppa.launchpad.net/ubuntu-toolchain-r/ppa/ubuntu jammy main
+        EOF
         apt-get update 
         apt-get install -y git gdc-13-arm-linux-gnueabihf dub libz-dev
 
diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 9367078..4fb7470 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -42,6 +42,10 @@ jobs:
     steps:
       - name: Install dependencies
         run: |
+          cat << EOF | sudo tee /etc/apt/sources.list.d/gdc-backports.list
+          deb http://ppa.launchpad.net/ubuntu-toolchain-r/ppa/ubuntu jammy main
+          deb-src http://ppa.launchpad.net/ubuntu-toolchain-r/ppa/ubuntu jammy main
+          EOF
           apt-get update
           apt-get install -y git gdc-13-i686-linux-gnu dub libz-dev