diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1c7012ab..af89fd11 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2790,7 +2790,7 @@ packages:
 
     "Andrei Barbu <andrei@0xab.com> @abarbu":
         - nondeterminism
-        #- csp # https://github.com/fpco/stackage/pull/2296
+        - csp
 
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.