diff --git a/src/images/firmware.ts b/src/images/firmware.ts
index 2e0142f..c26dc6a 100644
--- a/src/images/firmware.ts
+++ b/src/images/firmware.ts
@@ -1,5 +1,5 @@
 import { promises as fs } from 'fs'
-import unzipit from 'unzipit'
+import * as unzipit from 'unzipit'
 
 import { NodeFileReader } from '../util/zip'