diff --git a/Containerfile b/Containerfile
index d39fda3..47c094a 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,7 +1,7 @@
 FROM docker.io/fedora:41
 
 # === setup system ===
-RUN dnf -y install neovim unzip \
+RUN dnf clean all && dnf -y install neovim unzip \
   bash-completion zoxide fd-find procps \
   git go npm