diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,12 @@
 # Changelog
 
+
+## v1.6.3.1
+
+Hackage-only release with no user facing changes (updated to build with
+newer version of hpack dependency).
+
+
 ## v1.6.3
 
 Enhancements:
diff --git a/doc/ChangeLog.md b/doc/ChangeLog.md
--- a/doc/ChangeLog.md
+++ b/doc/ChangeLog.md
@@ -1,5 +1,12 @@
 # Changelog
 
+
+## v1.6.3.1
+
+Hackage-only release with no user facing changes (updated to build with
+newer version of hpack dependency).
+
+
 ## v1.6.3
 
 Enhancements:
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: stack
-version: '1.6.3'
+version: '1.6.3.1'
 synopsis: The Haskell Tool Stack
 description: ! 'Please see the README.md for usage information, and
   the wiki on Github for more details.  Also, note that
diff --git a/src/Stack/Package.hs b/src/Stack/Package.hs
--- a/src/Stack/Package.hs
+++ b/src/Stack/Package.hs
@@ -1369,7 +1369,13 @@
         config <- view configL
         case configOverrideHpack config of
             HpackBundled -> do
+#if MIN_VERSION_hpack(0,26,0)
+                r <- liftIO $ Hpack.hpackResult $ Hpack.setTarget (toFilePath hpackFile) Hpack.defaultOptions
+#elif MIN_VERSION_hpack(0,23,0)
+                r <- liftIO $ Hpack.hpackResult Hpack.defaultRunOptions {Hpack.runOptionsConfigDir = Just (toFilePath pkgDir)} Hpack.NoForce
+#else
                 r <- liftIO $ Hpack.hpackResult (Just $ toFilePath pkgDir) Hpack.NoForce
+#endif
                 forM_ (Hpack.resultWarnings r) prettyWarnS
                 let cabalFile = styleFile . fromString . Hpack.resultCabalFile $ r
                 case Hpack.resultStatus r of
diff --git a/stack.cabal b/stack.cabal
--- a/stack.cabal
+++ b/stack.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 0604a4361ea11be3c239468877d85b80556dd68a8780b5f0b136be7862921342
+-- hash: ceb71155dcab7af0e6f88173046b55025b99819f514854c41d0a522b1d9edcd4
 
 name:           stack
-version:        1.6.3
+version:        1.6.3.1
 synopsis:       The Haskell Tool Stack
 description:    Please see the README.md for usage information, and the wiki on Github for more details.  Also, note that the API for the library is not currently stable, and may change significantly, even between minor releases. It is currently only intended for use by the executable.
 category:       Development