diff --git a/src/PKPass.ts b/src/PKPass.ts
index 2aa38ae..2f852c5 100644
--- a/src/PKPass.ts
+++ b/src/PKPass.ts
@@ -4,7 +4,7 @@ import { getModelFolderContents } from "./parser";
 import * as Schemas from "./schemas";
 import { Stream } from "stream";
 import { processDate } from "./processDate";
-import * as Signature from "./signature";
+import * as Signature from "./Signature";
 import * as Strings from "./StringsUtils";
 import { isValidRGB } from "./utils";
 
diff --git a/src/signature.ts b/src/Signature.ts
similarity index 100%
rename from src/signature.ts
rename to src/Signature.ts