diff --git a/build-constraints.yaml b/build-constraints.yaml
index e82e5074..25d9f6c6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1,7 +1,7 @@
 ghc-major-version: "9.12"
 
 # new curator is supposed to use exact GHC version
-ghc-version: "9.12.2"
+ghc-version: "9.12.3"
 
 # This affects which version of the Cabal file format we allow. We
 # should ensure that this is always no greater than the version
@@ -7808,9 +7808,8 @@ packages:
 
     "Stackage upper bounds":
         # Cabal
-        - cabal-install < 3.14.2
+        - cabal-install < 3.16
         - cabal-install-solver < 3.16
-        - cabal-install-parsers < 0.6.3
 
         # https://github.com/commercialhaskell/stackage/issues/7822
         - jose < 0.12