diff --git a/.github/workflows/build-ubuntu-aarch64.yml b/.github/workflows/build-ubuntu-aarch64.yml
index b1bc008b..096bc0b9 100644
--- a/.github/workflows/build-ubuntu-aarch64.yml
+++ b/.github/workflows/build-ubuntu-aarch64.yml
@@ -33,7 +33,7 @@ jobs:
         rm /etc/apt/sources.list
         mv /etc/apt/sources.list{.new,}
         apt update
-        DEBIAN_FRONTEND=noninteractive apt install -y {gcc-10,g++-10,pkg-config}-aarch64-linux-gnu {libsdl2,qtbase5,qtbase5-private,qtmultimedia5,libslirp,libarchive,libzstd}-dev:arm64 cmake extra-cmake-modules dpkg-dev
+        DEBIAN_FRONTEND=noninteractive apt install -y {gcc-10,g++-10,pkg-config}-aarch64-linux-gnu {libsdl2,qtbase5,qtbase5-private,qtmultimedia5,libslirp,libarchive,libzstd}-dev:arm64 zstd:arm64 cmake extra-cmake-modules dpkg-dev
     - name: Configure
       shell: bash
       run: |
diff --git a/.github/workflows/build-ubuntu.yml b/.github/workflows/build-ubuntu.yml
index caf352f7..b6c50e9a 100644
--- a/.github/workflows/build-ubuntu.yml
+++ b/.github/workflows/build-ubuntu.yml
@@ -19,7 +19,7 @@ jobs:
       run: |
         sudo rm -f /etc/apt/sources.list.d/dotnetdev.list /etc/apt/sources.list.d/microsoft-prod.list
         sudo apt update
-        sudo apt install cmake extra-cmake-modules libcurl4-gnutls-dev libpcap0.8-dev libsdl2-dev qt5-default qtbase5-private-dev qtmultimedia5-dev libslirp0 libslirp-dev libarchive-dev libzstd-dev --allow-downgrades
+        sudo apt install cmake extra-cmake-modules libcurl4-gnutls-dev libpcap0.8-dev libsdl2-dev qt5-default qtbase5-private-dev qtmultimedia5-dev libslirp0 libslirp-dev libarchive-dev zstd libzstd-dev --allow-downgrades
     - name: Create build environment
       run: mkdir ${{runner.workspace}}/build
     - name: Configure