diff --git a/scripts/gitlab-ci/before_script.sh b/scripts/gitlab-ci/before_script.sh
index a12d5a4..b328bf2 100755
--- a/scripts/gitlab-ci/before_script.sh
+++ b/scripts/gitlab-ci/before_script.sh
@@ -19,7 +19,7 @@ if [[ -f "/etc/redhat-release" ]]; then
       alsa-lib-devel pulseaudio-libs-devel freetype-devel \
       libudev-devel mesa-libGLU-devel mingw32-gcc-c++ mingw64-gcc-c++ \
       mingw32-winpthreads-static mingw64-winpthreads-static yasm openssh-clients \
-      zip unzip ncurses-compat-libs wine xz Xvfb
+      zip unzip ncurses-compat-libs wine xz Xvfb libnsl
 else
   # Ubuntu
   apt-get update -qq