diff --git a/.github/workflows/build-ton-linux-x86-64-appimage.yml b/.github/workflows/build-ton-linux-x86-64-appimage.yml
index d282c53e..23f15698 100644
--- a/.github/workflows/build-ton-linux-x86-64-appimage.yml
+++ b/.github/workflows/build-ton-linux-x86-64-appimage.yml
@@ -22,6 +22,12 @@ jobs:
         sudo apt install -y build-essential git cmake ninja-build zlib1g-dev libsecp256k1-dev libmicrohttpd-dev libsodium-dev liblz4-dev libjemalloc-dev
         sudo apt remove libgsl-dev
 
+    - if: matrix.os == 'ubuntu-20.04'
+      run: |
+        sudo apt install -y manpages-dev software-properties-common
+        sudo add-apt-repository ppa:ubuntu-toolchain-r/test
+        sudo apt update && sudo apt install gcc-11 g++-11
+
     - if: matrix.os != 'ubuntu-24.04'
       run: |
         wget https://apt.llvm.org/llvm.sh
@@ -32,9 +38,9 @@ jobs:
       run: |
         git submodule sync --recursive
         git submodule update
-        cp assembly/native/build-ubuntu-appimages.sh .
-        chmod +x build-ubuntu-appimages.sh
-        ./build-ubuntu-appimages.sh -t -a
+        cp assembly/native/build-ubuntu-shared.sh .
+        chmod +x build-ubuntu-shared.sh
+        ./build-ubuntu-shared.sh -t -a
 
     - name: Make AppImages
       run: |