diff --git a/build-constraints.yaml b/build-constraints.yaml
index 235af3eb..4bdb3334 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2648,6 +2648,9 @@ packages:
         - diagrams < 1.4
         - diagrams-contrib < 1.4
 
+        # https://github.com/fpco/stackage/issues/2037
+        - haskell-src-exts < 1.19
+
 # end of packages