diff --git a/build-constraints.yaml b/build-constraints.yaml
index 57d83e47..08a9fbf8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3011,7 +3011,7 @@ packages:
         - hsemail
         - hsyslog
         - jailbreak-cabal
-        - lambdabot-core < 0 # 5.3.1.1 compile fail
+        - lambdabot-core
         - lambdabot-irc-plugins
         - language-nix
         - logging-facade-syslog