diff --git a/stack.yaml b/stack.yaml
index a299e33..d8f9785 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -2,7 +2,7 @@
 # OS.
 # I.e. changes here need to be synced with changes to
 # https://github.com/haskellfoundation/hf-infrastructure
-resolver: lts-22.6
+resolver: lts-22.4
 extra-deps:
 # WARNING: Changing the hoogle version causes stackage-server-cron to regenerate
 # Hoogle databases FOR EVERY SNAPSHOT, EVER. Usually, that's ok! But don't
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 94234a4..de28d89 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -58,7 +58,7 @@ packages:
     url: https://github.com/chreekat/amazonka/archive/85e0289f8dc23c54b00f7f1a09845be7e032a1eb.tar.gz
 snapshots:
 - completed:
-    sha256: 1b4c2669e26fa828451830ed4725e4d406acc25a1fa24fcc039465dd13d7a575
-    size: 714100
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/6.yaml
-  original: lts-22.6
+    sha256: 8b211c5a6aad3787e023dfddaf7de7868968e4f240ecedf14ad1c5b2199046ca
+    size: 714097
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/4.yaml
+  original: lts-22.4