diff --git a/build-constraints.yaml b/build-constraints.yaml
index c66f615c..4957611d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -442,7 +442,8 @@ packages:
         - runmemo
         - tardis
         - lens-family-th
-        - lambdabot
+        # Temporary block for: https://github.com/lambdabot/lambdabot/issues/139
+        # - lambdabot
 
     "Daniel Díaz dhelta.diaz@gmail.com @Daniel-Diaz":
         - bimap-server