diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9e2fbb4f..79041d86 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1995,6 +1995,9 @@ packages:
         # https://github.com/fpco/stackage/issues/1237
         - megaparsec < 4.4.0
 
+        # https://github.com/fpco/stackage/issues/1238
+        - path-io < 1.0.0
+
 # end of packages