diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f8ea11666..4ec1e20b2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -70,6 +70,7 @@ build-linux:
     - apt-get install -y -qq libvulkan-dev
     - apt-get install -y -qq qtbase5-dev qt5-qmake qtbase5-dev-tools
     - apt-get install -y -qq mesa-common-dev libdrm-dev
+    - apt-get install -y -qq nasm
   script:
     - git submodule update --init --recursive
     - cmake -B build -S . -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DENABLE_QT=ON -DENABLE_SDL2=ON -DENABLE_WEB_SERVICE=ON -DCITRON_USE_BUNDLED_VCPKG=ON -DCITRON_USE_BUNDLED_FFMPEG=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON