diff --git a/build-constraints.yaml b/build-constraints.yaml
index 901f94c7..76f5d691 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -61,7 +61,7 @@ packages:
         - buttplug-hs-core
 
     "Manuel Schneckenreither <manuel.schnecki@gmail.com> @schnecki":
-        - experimenter
+        - experimenter < 0 # 0.1.0.14 https://github.com/schnecki/experimenter/issues/1
         - api-maker < 0 # 0.1.0.6 https://github.com/schnecki/api-maker/issues/1
         - easy-logger
         - welford-online-mean-variance