diff --git a/CI/install_debian_deps.sh b/CI/install_debian_deps.sh
index 6364bb2cd1..945c5f09bf 100755
--- a/CI/install_debian_deps.sh
+++ b/CI/install_debian_deps.sh
@@ -65,6 +65,6 @@ export APT_CACHE_DIR="${PWD}/apt-cache"
 set -x
 mkdir -pv "$APT_CACHE_DIR"
 apt-get update -yqq
-apt-get -qq -o dir::cache::archives="$APT_CACHE_DIR" install -y --no-install-recommends software-properties-common
+apt-get -qq -o dir::cache::archives="$APT_CACHE_DIR" install -y --no-install-recommends software-properties-common >/dev/null
 add-apt-repository -y ppa:openmw/openmw
-apt-get -qq -o dir::cache::archives="$APT_CACHE_DIR" install -y --no-install-recommends "${deps[@]}"
+apt-get -qq -o dir::cache::archives="$APT_CACHE_DIR" install -y --no-install-recommends "${deps[@]}" >/dev/null