diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bbfe283..3a7cef6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,20 +25,16 @@ jobs:
 
       - if: runner.os == 'Linux'
         run: |
-          sudo apt-get update
+          sudo aptitude update
           sudo apt-get install -y \
             gnupg \
-            ntp \
             libudev-dev \
             libsasl2-dev \
             libssl-dev \
             libzstd-dev
-          sudo touch /etc/apt/sources.list.d/debian.list
-          echo 'deb http://ftp.debian.org/debian sid main' | sudo tee -a /etc/apt/sources.list.d/debian.list
-          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 648ACFD622F3D138
-          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9
-          sudo apt-get update
-          sudo apt-get install -y protobuf-compiler
+          echo 'deb http://azure.archive.ubuntu.com/ubuntu lunar main' | sudo tee -a /etc/apt/sources.list.d/lunar.list
+          sudo aptitude update
+          sudo aptitude satisfy -y "protobuf-compiler (>=3.16)" -t "n=lunar"
 
       - uses: actions-rs/toolchain@v1
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 76d0750..6d2d5a0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,20 +24,16 @@ jobs:
 
       - if: runner.os == 'Linux'
         run: |
-          sudo apt-get update
-          sudo apt-get install -y \
+          sudo aptitude update
+          sudo aptitude install -y \
             gnupg \
-            ntp \
             libudev-dev \
             libsasl2-dev \
             libssl-dev \
             libzstd-dev
-          sudo touch /etc/apt/sources.list.d/debian.list
-          echo 'deb http://ftp.debian.org/debian sid main' | sudo tee -a /etc/apt/sources.list.d/debian.list
-          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 648ACFD622F3D138
-          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9
-          sudo apt-get update
-          sudo apt-get install -y protobuf-compiler
+          echo 'deb http://azure.archive.ubuntu.com/ubuntu lunar main' | sudo tee -a /etc/apt/sources.list.d/lunar.list
+          sudo aptitude update
+          sudo aptitude satisfy -y "protobuf-compiler (>=3.16)" -t "n=lunar"
 
       - uses: actions-rs/toolchain@v1
         with: