diff --git a/build-constraints.yaml b/build-constraints.yaml
index dd23e2fd..ef4a772b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1485,7 +1485,7 @@ packages:
         - hexstring
         - network-attoparsec
         - network-anonymous-i2p
-        - network-anonymous-tor
+        - network-anonymous-tor < 0 # build failure w/ socks 0.6, see https://github.com/solatis/haskell-network-anonymous-tor/issues/14
 
     "Timothy Jones <tim@zmthy.net> @zmthy":
         - http-media