diff --git a/build-constraints.yaml b/build-constraints.yaml
index f27d92ce..662226b4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3384,6 +3384,9 @@ packages:
         # https://github.com/fpco/stackage/issues/2860
         - language-c < 0.7
 
+        # https://github.com/fpco/stackage/issues/2861
+        - swagger2 < 2.1.5
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of