diff --git a/stack.yaml b/stack.yaml
index 0560587e..e0a98888 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -15,3 +15,4 @@ packages:
   - ./yesod-websockets
 extra-deps:
   - wai-app-static-3.1.0
+  - nonce-1.0.2