diff --git a/build_all_branches.sh b/build_all_branches.sh
index 78f9085..a4a34db 100755
--- a/build_all_branches.sh
+++ b/build_all_branches.sh
@@ -10,6 +10,7 @@ touch base/.nojekyll
 
 # Generating documentation for each other branch in a subdirectory
 echo "All branches:"
+git fetch --all
 echo "$(git branch --remotes --format '%(refname:lstrip=3)' | grep -Ev '^(HEAD|develop|gh-pages)$')"
 for BRANCH in $(git branch --remotes --format '%(refname:lstrip=3)' | grep -Ev '^(HEAD|develop|gh-pages)$'); do
     SANITIZED_BRANCH="$(echo $BRANCH | sed 's/\//_/g')"