diff --git a/etc/lts-constraints/LICENSE b/etc/lts-constraints/LICENSE
index bc59db9e..89f25d28 100644
--- a/etc/lts-constraints/LICENSE
+++ b/etc/lts-constraints/LICENSE
@@ -1,4 +1,4 @@
-Copyright Author name here (c) 2021
+Copyright Adam Bergmark (c) 2021
 
 All rights reserved.
 
diff --git a/etc/lts-constraints/cabal.project b/etc/lts-constraints/cabal.project
index 37f48c83..03642128 100644
--- a/etc/lts-constraints/cabal.project
+++ b/etc/lts-constraints/cabal.project
@@ -1,2 +1,2 @@
 packages: ./lts-constraints.cabal
-with-compiler: ghc-9.4.7
+with-compiler: ghc-9.6.6
diff --git a/etc/lts-constraints/src/Main.hs b/etc/lts-constraints/src/Main.hs
index 766e3dff..59e99a15 100644
--- a/etc/lts-constraints/src/Main.hs
+++ b/etc/lts-constraints/src/Main.hs
@@ -23,7 +23,7 @@ import Snapshot (snapshotMap, loadSnapshot)
 import Types (PackageName, Version)
 
 src :: String
-src = "../../build-constraints.yaml"
+src = "build-constraints.yaml"
 
 target :: Int -> String
 target major = "lts-" <> show major <> "-build-constraints.yaml"
diff --git a/etc/lts-constraints/stack.yaml b/etc/lts-constraints/stack.yaml
index 2b6560b2..377040a6 100644
--- a/etc/lts-constraints/stack.yaml
+++ b/etc/lts-constraints/stack.yaml
@@ -1,4 +1 @@
-resolver:
-  url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/0.yaml
-packages:
-- .
+resolver: lts-21.25
diff --git a/etc/lts-constraints/stack.yaml.lock b/etc/lts-constraints/stack.yaml.lock
index a39a1241..f823d294 100644
--- a/etc/lts-constraints/stack.yaml.lock
+++ b/etc/lts-constraints/stack.yaml.lock
@@ -6,8 +6,7 @@
 packages: []
 snapshots:
 - completed:
-    sha256: e176944bc843f740e05242fa7a66ca1f440c127e425254f7f1257f9b19add23f
-    size: 712153
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/0.yaml
-  original:
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/0.yaml
+    sha256: a81fb3877c4f9031e1325eb3935122e608d80715dc16b586eb11ddbff8671ecd
+    size: 640086
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/21/25.yaml
+  original: lts-21.25