diff --git a/conf/type/__apt_ppa/manifest b/conf/type/__apt_ppa/manifest
index d5df9e23..5aa84931 100755
--- a/conf/type/__apt_ppa/manifest
+++ b/conf/type/__apt_ppa/manifest
@@ -27,3 +27,4 @@ require="__package/python-software-properties" \
    --source "$__type/files/remove-apt-repository" \
    --mode 0755
 
+require="$__self" __apt_update_index