diff --git a/migrations/000049_drop_licenses_module_path_version_not_null.down.sql b/migrations/000049_drop_licenses_module_path_version_not_null.down.sql
new file mode 100644
index 0000000..9e1de43
--- /dev/null
+++ b/migrations/000049_drop_licenses_module_path_version_not_null.down.sql
@@ -0,0 +1,11 @@
+-- Copyright 2020 The Go Authors. All rights reserved.
+-- Use of this source code is governed by a BSD-style
+-- license that can be found in the LICENSE file.
+
+BEGIN;
+
+ALTER TABLE licenses
+    ALTER COLUMN module_path SET NOT NULL,
+    ALTER COLUMN version SET NOT NULL;
+
+END;
diff --git a/migrations/000049_drop_licenses_module_path_version_not_null.up.sql b/migrations/000049_drop_licenses_module_path_version_not_null.up.sql
new file mode 100644
index 0000000..671f7bf
--- /dev/null
+++ b/migrations/000049_drop_licenses_module_path_version_not_null.up.sql
@@ -0,0 +1,11 @@
+-- Copyright 2020 The Go Authors. All rights reserved.
+-- Use of this source code is governed by a BSD-style
+-- license that can be found in the LICENSE file.
+
+BEGIN;
+
+ALTER TABLE licenses
+    ALTER COLUMN module_path DROP NOT NULL,
+    ALTER COLUMN version DROP NOT NULL;
+
+END;