diff --git a/build-constraints.yaml b/build-constraints.yaml
index 63b4d190..bdeb9e7f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6796,6 +6796,8 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/6395
       - wuss < 2.0
 
+      # https://github.com/commercialhaskell/stackage/issues/6396
+      - texmath < 0.12.4
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of