diff --git a/Dockerfile b/Dockerfile
index f164e63f..076892af 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM fpco/pid1:20.04
 
 ENV HOME /home/stackage
 ENV LANG en_US.UTF-8
-ENV GHCVER 9.4.2
+ENV GHCVER 9.4.3
 
 # NOTE: also update docker/03-custom-install.sh when cuda version changes
 # ENV PATH /home/stackage/.stack/programs/x86_64-linux/ghc-$GHCVER/bin:/usr/local/cuda-10.0/bin:/usr/sbin:/usr/bin:/sbin:/bin
diff --git a/build-constraints.yaml b/build-constraints.yaml
index d3deb136..a5328c3b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1,6 +1,6 @@
 ghc-major-version: "9.4"
 # new curator is supposed to use exact GHC version
-ghc-version: "9.4.2"
+ghc-version: "9.4.3"
 
 # This affects which version of the Cabal file format we allow. We
 # should ensure that this is always no greater than the version