diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1e545e53..73916ebb 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6212,7 +6212,7 @@ packages:
         - darcs < 0 # tried darcs-2.16.5, but its *library* requires regex-tdfa >=1.3.1.0 && < 1.3.2 and the snapshot contains regex-tdfa-1.3.2
         - darcs < 0 # tried darcs-2.16.5, but its *library* requires text >=1.2.1.3 && < 1.3 and the snapshot contains text-2.0.2
         - darcs < 0 # tried darcs-2.16.5, but its *library* requires time >=1.5.0.1 && < 1.10 and the snapshot contains time-1.12.2
-        - darcs < 0 # tried darcs-2.16.5, but its *library* requires unix-compat >=0.5 && < 0.6 and the snapshot contains unix-compat-0.6
+        - darcs < 0 # tried darcs-2.16.5, but its *library* requires unix-compat >=0.5 && < 0.6 and the snapshot contains unix-compat-0.7
         - data-accessor-template < 0 # tried data-accessor-template-0.2.1.16, but its *library* requires template-haskell >=2.11 && < 2.17 and the snapshot contains template-haskell-2.19.0.0
         - data-default-extra < 0 # tried data-default-extra-0.1.0, but its *library* requires the disabled package: data-default-instances-new-base
         - data-default-instances-text < 0 # tried data-default-instances-text-0.0.1, but its *library* requires text >=0.2 && < 2 and the snapshot contains text-2.0.2
@@ -7234,7 +7234,7 @@ packages:
         - sensu-run < 0 # tried sensu-run-0.7.0.5, but its *executable* requires optparse-applicative >=0.12 && < 0.16 and the snapshot contains optparse-applicative-0.17.0.0
         - sensu-run < 0 # tried sensu-run-0.7.0.5, but its *executable* requires text >=1.2.2 && < 1.3 and the snapshot contains text-2.0.2
         - sensu-run < 0 # tried sensu-run-0.7.0.5, but its *executable* requires time >=1.5.0.1 && < 1.10 and the snapshot contains time-1.12.2
-        - sensu-run < 0 # tried sensu-run-0.7.0.5, but its *executable* requires unix-compat < 0.6 and the snapshot contains unix-compat-0.6
+        - sensu-run < 0 # tried sensu-run-0.7.0.5, but its *executable* requires unix-compat < 0.6 and the snapshot contains unix-compat-0.7
         - seqloc < 0 # tried seqloc-0.6.1.1, but its *library* requires the disabled package: biocore
         - serf < 0 # tried serf-0.1.1.0, but its *library* requires text ==1.* and the snapshot contains text-2.0.2
         - servant-auth-cookie < 0 # tried servant-auth-cookie-0.6.0.3, but its *library* requires blaze-builder >=0.4 && < 0.4.1 and the snapshot contains blaze-builder-0.4.2.2
@@ -7700,9 +7700,6 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/6917
         - some < 1.0.5
 
-        # https://github.com/commercialhaskell/stackage/issues/6918
-        - unix-compat < 0.7
-
         # https://github.com/commercialhaskell/stackage/issues/6922
         - ghc-exactprint < 1.7