diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5f464f15..aab2026e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1,7 +1,7 @@
-ghc-major-version: "9.10"
+ghc-major-version: "9.12"
 
 # new curator is supposed to use exact GHC version
-ghc-version: "9.10.2"
+ghc-version: "9.12.1"
 
 # This affects which version of the Cabal file format we allow. We
 # should ensure that this is always no greater than the version