diff --git a/stack.yaml b/stack.yaml
index 3a15201..01df4be 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -32,6 +32,7 @@ extra-deps:
   - monad-hash-0.1.0.2
   - persistent-parser-0.1.0.2
   - SimpleAES-0.4.2
+  - RSA-2.2.0
   - time-interval-0.1.1
   - time-units-1.0.0