diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+0.5.4.0
+=======
+
+* Bump versions for `lts-12.9`.
+
 0.5.3.0
 =======
 
diff --git a/example/acid/servant-auth-token-example-acid.cabal b/example/acid/servant-auth-token-example-acid.cabal
--- a/example/acid/servant-auth-token-example-acid.cabal
+++ b/example/acid/servant-auth-token-example-acid.cabal
@@ -25,21 +25,21 @@
   build-depends:
       base                          >= 4.7      && < 5
     , acid-state                    >= 0.14     && < 0.15
-    , aeson                         >= 0.11     && < 1.3
+    , aeson                         >= 0.11     && < 1.4
     , aeson-injector                >= 1.1      && < 1.2
     , bytestring                    >= 0.10     && < 0.11
-    , exceptions                    >= 0.8      && < 0.9
+    , exceptions                    >= 0.8      && < 0.11
     , http-types                    >= 0.9      && < 0.13
     , monad-control                 >= 1.0      && < 1.1
     , monad-logger                  >= 0.3      && < 0.4
     , mtl                           >= 2.2      && < 2.3
     , optparse-applicative          >= 0.12     && < 0.15
     , safecopy                      >= 0.9      && < 0.10
-    , servant                       >= 0.9      && < 0.14
+    , servant                       >= 0.9      && < 0.15
     , servant-auth-token            >= 0.5      && < 0.6
     , servant-auth-token-acid       >= 0.5      && < 0.6
     , servant-auth-token-api        >= 0.5      && < 0.6
-    , servant-server                >= 0.12     && < 0.14
+    , servant-server                >= 0.12     && < 0.15
     , text                          >= 1.2      && < 1.3
     , time                          >= 1.6      && < 1.9
     , transformers-base             >= 0.4      && < 0.5
diff --git a/example/acid/src/API.hs b/example/acid/src/API.hs
--- a/example/acid/src/API.hs
+++ b/example/acid/src/API.hs
@@ -5,6 +5,14 @@
 import Servant.API
 import Servant.API.Auth.Token
 
-type ExampleAPI = "test"
-  :> TokenHeader' '["test-permission"]
-  :> Get '[JSON] ()
+-- Your application endpoints
+type ExampleEndpoint = "test"
+      :> TokenHeader' '["test-permission"]
+      :> Get '[JSON] ()
+
+type ExampleAPI =
+       ExampleEndpoint
+  -- This is required for actual testing
+  :<|> AuthSigninPostMethod
+  :<|> AuthTouchMethod
+  :<|> AuthSignoutMethod
diff --git a/example/acid/src/Server.hs b/example/acid/src/Server.hs
--- a/example/acid/src/Server.hs
+++ b/example/acid/src/Server.hs
@@ -12,10 +12,13 @@
 
 import Control.Monad.IO.Class
 import Control.Monad.Logger
+import Data.Aeson.Unit
+import Data.Aeson.WithField
 import Data.Proxy
 import Network.Wai
 import Network.Wai.Handler.Warp
 import Network.Wai.Middleware.RequestLogger
+import Servant.API 
 import Servant.API.Auth.Token
 import Servant.Server
 import Servant.Server.Auth.Token
@@ -42,9 +45,22 @@
 -- | Implementation of main server API
 exampleServer :: ServerT ExampleAPI ServerM
 exampleServer = testEndpoint
+  -- Pass though requests directly to the library in these endpoints
+  :<|> authSigninPostProxy
+  :<|> authTouchProxy
+  :<|> authSignoutProxy
 
 testEndpoint :: MToken' '["test-permission"] -> ServerM ()
 testEndpoint token = do
   runAuth $ guardAuthToken token
   $logInfo "testEndpoint"
   return ()
+
+authSigninPostProxy :: AuthSigninPostBody -> ServerM (OnlyField "token" SimpleToken)
+authSigninPostProxy AuthSigninPostBody{..} = runAuth $ authSignin (Just authSigninBodyLogin) (Just authSigninBodyPassword) authSigninBodySeconds
+
+authTouchProxy :: Maybe Seconds -> MToken' '[] -> ServerM Unit
+authTouchProxy mexpire token = runAuth $ authTouch mexpire token
+
+authSignoutProxy :: MToken' '[] -> ServerM Unit
+authSignoutProxy mtoken = runAuth $ authSignout mtoken
diff --git a/example/leveldb/servant-auth-token-example-leveldb.cabal b/example/leveldb/servant-auth-token-example-leveldb.cabal
--- a/example/leveldb/servant-auth-token-example-leveldb.cabal
+++ b/example/leveldb/servant-auth-token-example-leveldb.cabal
@@ -24,10 +24,10 @@
   build-depends:
       base                          >= 4.7      && < 5
     , acid-state                    >= 0.14     && < 0.15
-    , aeson                         >= 0.11     && < 1.3
+    , aeson                         >= 0.11     && < 1.4
     , aeson-injector                >= 1.1      && < 1.2
     , bytestring                    >= 0.10     && < 0.11
-    , exceptions                    >= 0.8      && < 0.9
+    , exceptions                    >= 0.8      && < 0.11
     , http-types                    >= 0.9      && < 0.13
     , leveldb-haskell               >= 0.6      && < 0.7
     , monad-control                 >= 1.0      && < 1.1
@@ -35,11 +35,11 @@
     , mtl                           >= 2.2      && < 2.3
     , optparse-applicative          >= 0.12     && < 0.15
     , safecopy                      >= 0.9      && < 0.10
-    , servant                       >= 0.12     && < 0.14
+    , servant                       >= 0.12     && < 0.15
     , servant-auth-token            >= 0.5      && < 0.6
     , servant-auth-token-api        >= 0.5      && < 0.6
-    , servant-auth-token-leveldb    >= 0.5      && < 0.6
-    , servant-server                >= 0.12     && < 0.14
+    , servant-auth-token-leveldb    >= 0.6      && < 0.7
+    , servant-server                >= 0.12     && < 0.15
     , text                          >= 1.2      && < 1.3
     , time                          >= 1.6      && < 1.9
     , transformers-base             >= 0.4      && < 0.5
diff --git a/example/persistent/servant-auth-token-example-persistent.cabal b/example/persistent/servant-auth-token-example-persistent.cabal
--- a/example/persistent/servant-auth-token-example-persistent.cabal
+++ b/example/persistent/servant-auth-token-example-persistent.cabal
@@ -23,22 +23,22 @@
   default-language:   Haskell2010
   build-depends:
       base                          >= 4.7      && < 5
-    , aeson                         >= 0.11     && < 1.3
+    , aeson                         >= 0.11     && < 1.4
     , aeson-injector                >= 1.1      && < 1.2
     , bytestring                    >= 0.10     && < 0.11
-    , exceptions                    >= 0.8      && < 0.9
+    , exceptions                    >= 0.8      && < 0.11
     , http-types                    >= 0.9      && < 0.13
     , monad-control                 >= 1.0      && < 1.1
     , monad-logger                  >= 0.3      && < 0.4
     , mtl                           >= 2.2      && < 2.3
     , optparse-applicative          >= 0.12     && < 0.15
-    , persistent                    >= 2.6      && < 2.8
-    , persistent-postgresql         >= 2.6      && < 2.8
-    , servant                       >= 0.12     && < 0.14
+    , persistent                    >= 2.6      && < 2.9
+    , persistent-postgresql         >= 2.6      && < 2.9
+    , servant                       >= 0.12     && < 0.15
     , servant-auth-token            >= 0.5      && < 0.6
     , servant-auth-token-api        >= 0.5      && < 0.6
-    , servant-auth-token-persistent >= 0.6      && < 0.7
-    , servant-server                >= 0.12     && < 0.14
+    , servant-auth-token-persistent >= 0.7      && < 0.8
+    , servant-server                >= 0.12     && < 0.15
     , text                          >= 1.2      && < 1.3
     , time                          >= 1.6      && < 1.9
     , transformers-base             >= 0.4      && < 0.5
diff --git a/servant-auth-token.cabal b/servant-auth-token.cabal
--- a/servant-auth-token.cabal
+++ b/servant-auth-token.cabal
@@ -1,5 +1,5 @@
 name:                servant-auth-token
-version:             0.5.3.0
+version:             0.5.4.0
 synopsis:            Servant based API and server for token based authorisation
 description:         Please see README.md
 homepage:            https://github.com/ncrashed/servant-auth-token#readme
@@ -67,9 +67,9 @@
     , http-api-data           >= 0.3.5  && < 0.4
     , mtl                     >= 2.2    && < 2.3
     , pwstore-fast            >= 2.4    && < 2.5
-    , servant                 >= 0.11   && < 0.14
+    , servant                 >= 0.11   && < 0.15
     , servant-auth-token-api  >= 0.5    && < 0.6
-    , servant-server          >= 0.11   && < 0.14
+    , servant-server          >= 0.11   && < 0.15
     , text                    >= 1.2    && < 1.3
     , time                    >= 1.5    && < 1.9
     , transformers            >= 0.4    && < 0.6
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -15,7 +15,7 @@
 # resolver:
 #  name: custom-snapshot
 #  location: "./custom-snapshot.yaml"
-resolver: lts-10.5
+resolver: lts-12.9
 
 # User packages to be built.
 # Various formats can be used as shown in the example below.
@@ -40,11 +40,10 @@
 - 'servant-auth-token-acid'
 - 'servant-auth-token-persistent'
 - 'servant-auth-token-leveldb'
-- 'servant-auth-token-rocksdb'
+#- 'servant-auth-token-rocksdb'
 - 'example/acid'
 - 'example/persistent'
-- 'example/leveldb'
-#- '../safecopy'
+#- 'example/leveldb'
 #- '../servant-auth-token-api'
 # - location:
 #     git: https://github.com/NCrashed/servant-auth-token-api.git
@@ -60,17 +59,10 @@
 # (e.g., acme-missiles-0.3)
 extra-deps:
 - acid-state-0.14.3
-- http-types-0.12.1
+- aeson-injector-1.1.1.0
+- pwstore-fast-2.4.4
 - rocksdb-haskell-1.0.1
-- safecopy-store-0.9.6
-- servant-0.13
-- servant-auth-token-api-0.5.2.0
-- servant-client-0.13
-- servant-docs-0.11.2
-- servant-server-0.13
-- servant-swagger-1.1.5
-- singleton-bool-0.1.3
-- text-1.2.3.0
+- servant-auth-token-api-0.5.3.0
 
 # Override default flag values for local packages and extra-deps
 flags: {}
@@ -79,12 +71,13 @@
 extra-package-dbs: []
 
 nix:
-  enable: false
   packages:
     - zlib
     - postgresql96
     - rocksdb
     - leveldb
+#nix:
+#  shell-file: shell.nix
 
 # Control whether we use the GHC we find on the path
 # system-ghc: true