diff --git a/migrations/20170311180634_remove_semver_index/down.sql b/migrations/20170311180634_remove_semver_index/down.sql
new file mode 100644
index 00000000000..8ed8d170f27
--- /dev/null
+++ b/migrations/20170311180634_remove_semver_index/down.sql
@@ -0,0 +1 @@
+CREATE INDEX versions_to_semver_no_prerelease_idx ON versions (crate_id, to_semver_no_prerelease(num) DESC NULLS LAST) WHERE NOT yanked;
diff --git a/migrations/20170311180634_remove_semver_index/up.sql b/migrations/20170311180634_remove_semver_index/up.sql
new file mode 100644
index 00000000000..42bc1036f40
--- /dev/null
+++ b/migrations/20170311180634_remove_semver_index/up.sql
@@ -0,0 +1 @@
+DROP INDEX versions_to_semver_no_prerelease_idx;