diff --git a/haskell-platform.spec b/haskell-platform.spec
index 38347b9..9986ea3 100644
--- a/haskell-platform.spec
+++ b/haskell-platform.spec
@@ -24,7 +24,7 @@
 
 Name:           haskell-platform
 Version:        2023.1
-Release:        26%{?dist}
+Release:        27%{?dist}
 Summary:        Standard Haskell distribution
 
 License:        BSD-3-Clause
@@ -51,6 +51,8 @@ Source20:       stack-symlink-distro-ghc
 # https://github.com/commercialhaskell/stack/pull/6028
 Patch0:         6028-2.9.3.1.patch
 Patch1:         stack-disable-ghc-Cabal-version-warnings.patch
+# https://github.com/commercialhaskell/stack/issues/6379
+Patch2:         stack-Setup-Platforms.patch
 
 BuildRequires:  ghc
 BuildRequires:  alex
@@ -479,6 +481,9 @@ rm %{buildroot}%{_licensedir}/%{name}/LICENSE
 
 
 %changelog
+* Fri Dec 15 2023 Jens Petersen <petersen@redhat.com> - 2023.1-27
+- patch Stack.Setup to accept PPC64 and S390X Linux platforms
+
 * Tue Nov  7 2023 Jens Petersen <petersen@redhat.com> - 2023.1-26
 - make stack-symlink-distro-ghc executable
 
diff --git a/stack-Setup-Platforms.patch b/stack-Setup-Platforms.patch
new file mode 100644
index 0000000..8319819
--- /dev/null
+++ b/stack-Setup-Platforms.patch
@@ -0,0 +1,11 @@
+--- stack-2.9.3.1/src/Stack/Setup.hs~	2023-12-15 20:23:43.622387891 +0800
++++ stack-2.9.3.1/src/Stack/Setup.hs	2023-12-15 22:57:36.515310538 +0800
+@@ -1566,6 +1566,8 @@
+         Platform Sparc                 Cabal.Linux   -> pure "linux-sparc"
+         Platform AArch64               Cabal.OSX     -> pure "macosx-aarch64"
+         Platform AArch64               Cabal.FreeBSD -> pure "freebsd-aarch64"
++        Platform PPC64                 Cabal.Linux   -> pure "linux-ppc64"
++        Platform S390X                 Cabal.Linux   -> pure "linux-s390x"
+         Platform arch os -> throwM $ UnsupportedSetupCombo os arch
+ 
+ downloadOrUseLocal