diff --git a/scripts/gazelle.sh b/scripts/gazelle.sh
index 4d4bde1..12c60bc 100755
--- a/scripts/gazelle.sh
+++ b/scripts/gazelle.sh
@@ -2,4 +2,4 @@
 # gazelle.sh regenerates BUILD.bazel files for Go source files.
 
 bazel run //:gazelle -- update
-bazel run //:gazelle -- update-repos -from_file=go.mod -to_macro=repositories.bzl%go_repositories
+bazel run //:gazelle -- update-repos -from_file=go.mod -to_macro=repositories.bzl%go_repositories -prune=true