diff --git a/build-constraints.yaml b/build-constraints.yaml
index a5611d02..9f335137 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6704,6 +6704,9 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/6122
       - mmorph < 1.2
 
+      # https://github.com/commercialhaskell/stackage/issues/6125
+      - citeproc < 0.4.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of