diff --git a/stack.yaml b/stack.yaml
index 010f32c390..672bd03cdf 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -9,6 +9,6 @@ nix:
   packages:
     - zlib
 extra-deps:
-- path-io-1.1.0
-- hpack-0.10.0
+- hpack-0.12.0
 - path-0.5.7
+- path-io-1.1.0