diff --git a/build-constraints.yaml b/build-constraints.yaml
index dabd093c..c0c4b1ac 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3132,6 +3132,10 @@ packages:
         # https://github.com/fpco/stackage/issues/3057
         - hscolour <1.24.3
 
+        # https://github.com/fpco/stackage/issues/3061
+        - req < 1.0.0
+        - req-conduit < 1.0.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of