diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5310a7b5..722e9c71 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3105,7 +3105,7 @@ packages:
         - generic-deriving < 1.12
 
         # https://github.com/fpco/stackage/issues/3093
-        - haskell-src-exts < 1.20.1
+        - haskell-src-exts < 1.20.0
 
         # https://github.com/fpco/stackage/issues/3094
         - skylighting < 0.5