diff --git a/build-constraints.yaml b/build-constraints.yaml
index 584b9983..045630da 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3309,7 +3309,8 @@ packages:
         - gdp
 
     "Levent Erkok <erkokl@gmail.com> @LeventErkok":
-        - sbv < 0 # DependencyFailed (PackageName "crackNum")
+        - sbv
+        - crackNum
 
     "János Tapolczai <janos.tapolczai@gmail.com> @jtapolczai":
         - listsafe
@@ -3734,7 +3735,6 @@ packages:
         - wai-routing < 0 # DependencyFailed (PackageName "wai-route")
         - fingertree-psqueue < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - cli < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
-        - crackNum < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - prim-array < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - quickcheck-classes < 0 # DependencyFailed (PackageName "prim-array")
         - xxhash < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build