diff --git a/stack.yaml b/stack.yaml
index 28c6f9f..b44b300 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -11,3 +11,4 @@ extra-deps:
     - wai-middleware-prometheus-0.1.0.1
     - hoogle-5.0.6
     - haskell-src-exts-1.19.0
+    - persistent-sqlite-2.2.1.1