diff --git a/build-constraints.yaml b/build-constraints.yaml
index 48167653..b3176a4b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1028,7 +1028,8 @@ packages:
         #- regex-parsec
         - regex-pcre
         - regex-posix
-        - regex-tdfa
+        # https://github.com/ChrisKuklewicz/regex-tdfa/issues/2
+        - regex-tdfa < 1.2.2
         #- regex-tdfa-utf8
         #- regex-tre