diff --git a/scripts/lowercase-modules.ts b/scripts/lowercase-modules.ts
index 8f2df384..fea96c99 100644
--- a/scripts/lowercase-modules.ts
+++ b/scripts/lowercase-modules.ts
@@ -45,6 +45,9 @@ const renameToLowercase: (prim: Primitive, name: ModuleWithExtension) => Build<v
   (prim, name) => C =>
     pipe(
       C.exec(`git mv src/${prim}/${name} src/${prim}/${camelFromPascal(name)}`),
+      TE.apFirst(
+        C.exec(`git mv tests/${prim}/${name} tests/${prim}/${camelFromPascal(name)}`)
+      ),
       TE.chainFirstIOK(() =>
         Cons.log(Color.green(`✔️ Renamed ${name} to ${camelFromPascal(name)}`))
       )