diff --git a/src/github.com/cloudfoundry/blobstore_url_signer b/src/github.com/cloudfoundry/blobstore_url_signer
index 86e19cc304..56a15c1861 160000
--- a/src/github.com/cloudfoundry/blobstore_url_signer
+++ b/src/github.com/cloudfoundry/blobstore_url_signer
@@ -1 +1 @@
-Subproject commit 86e19cc30474653e65c626a3f6f633b925997930
+Subproject commit 56a15c1861f6b5129e38b97d7b404e488748e582