diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0df7d338..98c1aaa7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1853,7 +1853,7 @@ packages:
         - exinst
         - flay
         - network-simple
-        - network-simple-tls
+        - network-simple-tls < 0 # https://github.com/k0001/network-simple/issues/37
         - pipes-aeson
         - pipes-attoparsec
         - pipes-binary