diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2a691383..cf00358e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5288,7 +5288,7 @@ packages:
 
     "GHC upper bounds":
         # Need to always match the version shipped with GHC
-        - Win32 == 2.10.0.0
+        - Win32 == 2.12.0.1
 
     # Section for packages that have been mass-disabled due to
     # compilation failures, e.g. after we upgrade GHC. Every package