diff --git a/scripts/install b/scripts/install
index adef410..589b1d4 100755
--- a/scripts/install
+++ b/scripts/install
@@ -62,6 +62,8 @@ ynh_script_progression --message="Installing $app..." --weight=10
 pushd $install_dir
  	ynh_use_nodejs
 	sudo -u $app env $ynh_node_load_PATH BUILD_SEQUENCIAL=1 yarn install --inline-builds
+	sudo -u $app env $ynh_node_load_PATH yarn cache clean
+	rm -rf .yarn/berry
 popd
 
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