diff --git a/build-constraints.yaml b/build-constraints.yaml
index 46ec8247..63d033f1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1,6 +1,6 @@
 ghc-major-version: "8.8"
 # new curator is supposed to use exact GHC version
-ghc-version: "8.8.2"
+ghc-version: "8.8.3"
 
 # This affects which version of the Cabal file format we allow. We
 # should ensure that this is always no greater than the version
@@ -518,7 +518,7 @@ packages:
 
     "Pranay Sashank <pranaysashank@gmail.com> @pranaysashank":
         - fusion-plugin-types
-        - fusion-plugin
+        - fusion-plugin < 0 # ghc-8.8.3
 
     "Aleksey Uimanov <s9gf4ult@gmail.com> @s9gf4ult":
         # - postgresql-query # haskell-src-exts via derive
@@ -3862,7 +3862,7 @@ packages:
 
     "Andre Van Der Merwe <stackage@andrevdm.com> @andrevdm":
         - bhoogle < 0
-        - hyraxAbif
+        - hyraxAbif < 0 # directory-1.3.6.0 (ghc-8.8.3)
 
     "David Millar-Durrant <dmillardurrant@gmail.com> @DavidM-D":
         - indexed-list-literals