diff --git a/lackey.cabal b/lackey.cabal
--- a/lackey.cabal
+++ b/lackey.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 2686d6677e74651eaa83ed2c17d665b44af82126e9f2b0af47035aba99a65a08
+-- hash: 555c4382d2155e6870d868fdd887a99cbec00032304801c2083afe7aedbeda23
 
 name:           lackey
-version:        1.0.4
+version:        1.0.5
 synopsis:       Generate Ruby clients from Servant APIs.
 description:    Lackey generates Ruby clients from Servant APIs.
 category:       Web
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: lackey
-version: 1.0.4
+version: 1.0.5
 
 category: Web
 description: Lackey generates Ruby clients from Servant APIs.
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,1 +1,1 @@
-resolver: lts-11.0
+resolver: lts-12.0