diff --git a/build-constraints.yaml b/build-constraints.yaml
index e8afb1b8..faa831df 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1077,6 +1077,9 @@ packages:
         # https://github.com/amcphail/hmatrix-gsl-stats/issues/6
         - hmatrix-gsl-stats < 0.3
 
+        # https://github.com/kawu/text-binary/pull/1
+        - text < 1.2.1
+
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: