diff --git a/lackey.cabal b/lackey.cabal
--- a/lackey.cabal
+++ b/lackey.cabal
@@ -1,11 +1,13 @@
--- This file has been generated from package.yaml by hpack version 0.20.0.
+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.31.0.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 555c4382d2155e6870d868fdd887a99cbec00032304801c2083afe7aedbeda23
+-- hash: ddd6ee1f604bb152efe23a540e5c100c5c56930d9e30b4848685d08b1624a988
 
 name:           lackey
-version:        1.0.5
+version:        1.0.6
 synopsis:       Generate Ruby clients from Servant APIs.
 description:    Lackey generates Ruby clients from Servant APIs.
 category:       Web
@@ -15,8 +17,6 @@
 license:        MIT
 license-file:   LICENSE.markdown
 build-type:     Simple
-cabal-version:  >= 1.10
-
 extra-source-files:
     CHANGELOG.markdown
     package.yaml
@@ -28,33 +28,33 @@
   location: https://github.com/tfausak/lackey
 
 library
+  exposed-modules:
+      Lackey
+  other-modules:
+      Paths_lackey
   hs-source-dirs:
       library
   ghc-options: -Weverything -Wno-implicit-prelude -Wno-safe -Wno-unsafe
   build-depends:
-      base >=4.9.0 && <4.12
+      base >=4.9.0 && <4.13
     , servant >=0.8.1 && <0.15
     , servant-foreign >=0.8.1 && <0.12
     , text >=1.2.2 && <1.3
-  exposed-modules:
-      Lackey
-  other-modules:
-      Paths_lackey
   default-language: Haskell2010
 
 test-suite test
   type: exitcode-stdio-1.0
   main-is: Main.hs
+  other-modules:
+      Paths_lackey
   hs-source-dirs:
       tests
   ghc-options: -Weverything -Wno-implicit-prelude -Wno-safe -Wno-unsafe -rtsopts -threaded
   build-depends:
-      base >=4.9.0 && <4.12
+      base >=4.9.0 && <4.13
     , hspec >=2.2.3 && <2.6
     , lackey
     , servant >=0.8.1 && <0.15
     , servant-foreign >=0.8.1 && <0.12
     , text >=1.2.2 && <1.3
-  other-modules:
-      Paths_lackey
   default-language: Haskell2010
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: lackey
-version: 1.0.5
+version: 1.0.6
 
 category: Web
 description: Lackey generates Ruby clients from Servant APIs.
@@ -15,7 +15,7 @@
 synopsis: Generate Ruby clients from Servant APIs.
 
 dependencies:
-  base: '>= 4.9.0 && < 4.12'
+  base: '>= 4.9.0 && < 4.13'
   servant: '>= 0.8.1 && < 0.15'
   servant-foreign: '>= 0.8.1 && < 0.12'
   text: '>= 1.2.2 && < 1.3'
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,1 +1,1 @@
-resolver: lts-12.0
+resolver: nightly-2018-11-01