diff --git a/stack.yaml b/stack.yaml
index 7266fb3c..e516041f 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -21,4 +21,5 @@ extra-deps:
 - yaml-0.8.17
 - nonce-1.0.2
 - persistent-2.5
+- persistent-sqlite-2.5
 - cookie-0.4.2