diff --git a/lazyboy.cabal b/lazyboy.cabal
index 759fc34..a86929c 100644
--- a/lazyboy.cabal
+++ b/lazyboy.cabal
@@ -1,10 +1,10 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.31.1.
+-- This file has been generated from package.yaml by hpack version 0.31.2.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 34f0bae356e4c05dfe779d5d3aff89364296c81fed4ff98ee78c7c270671d92d
+-- hash: aeeea6ee876e0a4a3d8063b499032573f9f8044e609e75636189e1d9d5fc8d6c
 
 name:           lazyboy
 version:        0.2.2.1
@@ -42,14 +42,13 @@ library
       Paths_lazyboy
   hs-source-dirs:
       src
-  ghc-options: -optP-Wno-nonportable-include-path
   build-depends:
-      aeson >=1.4.2.0 && <1.5
-    , base >=4.7 && <5
-    , hspec >=2.6.1 && <2.7
-    , microstache >=1.0.1.1 && <1.1
-    , text >=1.2.3.1 && <1.3
-    , transformers >=0.5.6.2 && <0.6
+      aeson >=1.4.6 && <1.5
+    , base >=4.12.0 && <4.13
+    , hspec >=2.7.1 && <2.8
+    , microstache >=1.0.1 && <1.1
+    , text >=1.2.3 && <1.3
+    , transformers >=0.5.6 && <0.6
   default-language: Haskell2010
 
 test-suite lazyboy-test
@@ -59,13 +58,13 @@ test-suite lazyboy-test
       Paths_lazyboy
   hs-source-dirs:
       test
-  ghc-options: -optP-Wno-nonportable-include-path -threaded -rtsopts -with-rtsopts=-N
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N
   build-depends:
-      aeson >=1.4.2.0 && <1.5
-    , base >=4.7 && <5
-    , hspec >=2.6.1 && <2.7
+      aeson >=1.4.6 && <1.5
+    , base >=4.12.0 && <4.13
+    , hspec >=2.7.1 && <2.8
     , lazyboy
-    , microstache >=1.0.1.1 && <1.1
-    , text >=1.2.3.1 && <1.3
-    , transformers >=0.5.6.2 && <0.6
+    , microstache >=1.0.1 && <1.1
+    , text >=1.2.3 && <1.3
+    , transformers >=0.5.6 && <0.6
   default-language: Haskell2010
diff --git a/package.yaml b/package.yaml
index 9f9263b..093c1a0 100644
--- a/package.yaml
+++ b/package.yaml
@@ -25,12 +25,12 @@ data-files: templates/*.mustache
 description: An EDSL for programming the Nintendo Game Boy. <https://github.com/ix/lazyboy#readme>
 
 dependencies:
- - aeson >= 1.4.2.0 && < 1.5
- - base >= 4.7 && < 5
- - hspec >= 2.6.1 && < 2.7
- - microstache >= 1.0.1.1 && < 1.1
- - text >= 1.2.3.1 && < 1.3
- - transformers >= 0.5.6.2 && < 0.6
+- aeson                >= 1.4.6 && < 1.5
+- base                 >= 4.12.0 && < 4.13
+- text                 >= 1.2.3 && < 1.3
+- transformers         >= 0.5.6 && < 0.6
+- hspec                >= 2.7.1 && < 2.8
+- microstache          >= 1.0.1 && < 1.1
 
 library:
   source-dirs: src
@@ -56,6 +56,3 @@ tests:
     - -with-rtsopts=-N
     dependencies:
     - lazyboy 
-
-
-ghc-options: ["-optP-Wno-nonportable-include-path"]
diff --git a/stack.yaml b/stack.yaml
index 4e031a9..2c597af 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -18,7 +18,7 @@
 #
 # resolver: ./custom-snapshot.yaml
 # resolver: https://example.com/snapshots/2018-01-01.yaml
-resolver: lts-13.17
+resolver: lts-14.21
 
 # User packages to be built.
 # Various formats can be used as shown in the example below.
diff --git a/stack.yaml.lock b/stack.yaml.lock
new file mode 100644
index 0000000..7eef5f4
--- /dev/null
+++ b/stack.yaml.lock
@@ -0,0 +1,12 @@
+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages: []
+snapshots:
+- completed:
+    size: 524162
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/14/21.yaml
+    sha256: 9a55dd75853718f2bbbe951872b36a3b7802fcd71796e0f25b8664f24e34c666
+  original: lts-14.21