diff --git a/build-constraints.yaml b/build-constraints.yaml
index 42f98fd2..f3f8a2bd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1715,6 +1715,8 @@ packages:
         # https://github.com/fpco/stackage/issues/968
         - bifunctors < 5.1
 
+        # https://github.com/fpco/stackage/issues/975
+        - retry < 0.7
 # end of packages