diff --git a/build-constraints.yaml b/build-constraints.yaml
index b922e646..83fad8ce 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -727,7 +727,7 @@ packages:
         - githash
 
         - time-manager
-        - pantry < 0 # aeson 1.5
+        - pantry
         - mega-sdist < 0 # Cabal issues
         - http-download
         - hi-file-parser
@@ -1472,7 +1472,7 @@ packages:
         - optparse-simple
         - hpack
         - bindings-uname
-        - stack  < 0 # ghc 8.10 # < 9.9.9 # see #3563/closed
+        - stack < 9.9.9 # see #3563/closed
 
     "Michael Sloan <mgsloan@gmail.com> @mgsloan":
         - store