diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 69fe30b13..32f21fbaa 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -39,8 +39,15 @@ build-linux:
     - pacman -S --noconfirm nasm
     - pacman -S --noconfirm glslang
     - pacman -S --noconfirm fuse2 gdb
-    # Install shasum for AppImage compatibility  
-    - pacman -S --noconfirm perl-digest-sha
+    # Create shasum compatibility wrapper for AppImage build
+    - echo '#!/bin/bash' > /usr/local/bin/shasum
+    - echo 'if [ "$1" = "-a" ] && [ "$2" = "256" ]; then' >> /usr/local/bin/shasum
+    - echo '  shift 2' >> /usr/local/bin/shasum
+    - echo '  sha256sum "$@"' >> /usr/local/bin/shasum
+    - echo 'else' >> /usr/local/bin/shasum
+    - echo '  sha256sum "$@"' >> /usr/local/bin/shasum
+    - echo 'fi' >> /usr/local/bin/shasum
+    - chmod +x /usr/local/bin/shasum
   script:
     - git submodule update --init --recursive
     - mkdir -p build && cd build