diff --git a/gui-container/Dockerfile b/gui-container/Dockerfile
index 700a9e7..a92da81 100644
--- a/gui-container/Dockerfile
+++ b/gui-container/Dockerfile
@@ -23,7 +23,8 @@ ENV APPS="\
     librewolf"
 
 # install dependencies and basic apps
-RUN dnf config-manager --add-repo https://rpm.librewolf.net/librewolf-repo.repo \
+RUN dnf install -y 'dnf-command(config-manager)' \
+    dnf config-manager --add-repo https://rpm.librewolf.net/librewolf-repo.repo \
     dnf install -y \
     ${GENERAL_PKGS} \
     ${APPS} \