diff --git a/build-constraints.yaml b/build-constraints.yaml
index eb6f0896..8d4eb86d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -871,7 +871,7 @@ packages:
     "Robert Klotzner <robert.klotzner@gmx.at> @eskimor":
         - purescript-bridge
         - servant-purescript < 0 # mainland-pretty <- srcloc
-        - servant-subscriber
+        - servant-subscriber < 0 # build failure with servant 0.14: https://github.com/eskimor/servant-subscriber/issues/17
 
     "Rodrigo Setti <rodrigosetti@gmail.com> @rodrigosetti":
         - messagepack