diff --git a/hooks/post_checkout b/hooks/post_checkout
index 71fa8f796..3c6f0f2df 100644
--- a/hooks/post_checkout
+++ b/hooks/post_checkout
@@ -2,3 +2,5 @@
 # Docker hub does a recursive clone, then checks the branch out,
 # so when a PR adds a submodule (or updates it), it fails.
 git submodule update --init --recursive
+
+git fetch --tags