diff --git a/lib/docker.sh b/lib/docker.sh
index 7fd6d3d..1fc6f64 100644
--- a/lib/docker.sh
+++ b/lib/docker.sh
@@ -71,7 +71,8 @@ docker_build_image() {
 			echo 'SHELL ["/bin/bash", "-c"]'
 			echo 'RUN ln -sf /bin/bash /bin/sh'
 			echo 'ENV DEBIAN_FRONTEND=noninteractive'
-			echo "RUN ${pkg_mgr_update} && ${pkg_mgr_upgrade}"
+			echo "RUN ${pkg_mgr_update}"
+			echo "RUN ${pkg_mgr_upgrade}"
 			printf "RUN ${pkg_install} %s\n" "${req_pkgs[@]}"
 			echo 'RUN pipx install virtualenv'
 			echo 'RUN pipx ensurepath'
diff --git a/lib/install_deps.sh b/lib/install_deps.sh
index 81c45bb..d32aaeb 100644
--- a/lib/install_deps.sh
+++ b/lib/install_deps.sh
@@ -12,7 +12,7 @@ determine_pkg_mgr() {
 brew:brew update:brew upgrade:brew install:brew list --formula ${pkg}
 apt-get:${SUDO}apt-get update:${SUDO}apt-get upgrade -y:${SUDO}apt-get install -y:dpkg -l ${pkg}
 pacman:${SUDO}pacman -Syy:${SUDO}pacman -Syu --noconfirm:${SUDO}pacman -S --noconfirm --needed:pacman -Qi ${pkg}
-dnf:{ ${SUDO}dnf check-update || true }:${SUDO}dnf upgrade --refresh -y:${SUDO}dnf install -y:dnf list -q --installed ${pkg}
+dnf:${SUDO}dnf check-update || true:${SUDO}dnf upgrade --refresh -y:${SUDO}dnf install -y:dnf list -q --installed ${pkg}
 '
 	local supported_pkg_mgr=()
 	unset pkg_mgr pkg_mgr_update pkg_mgr_upgrade pkg_install pkg_check