diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for servant-github-webhook
 
+## 0.4.2.0  -- 2019-08-21
+
+* Add some more Reflect instances
+
 ## 0.4.1.0  -- 2018-04-07
 
 * Include integration with github-webhooks package.
diff --git a/servant-github-webhook.cabal b/servant-github-webhook.cabal
--- a/servant-github-webhook.cabal
+++ b/servant-github-webhook.cabal
@@ -2,7 +2,7 @@
 -- further documentation, see http://haskell.org/cabal/users-guide/
 
 name:                servant-github-webhook
-version:             0.4.1.0
+version:             0.4.2.0
 synopsis:            Servant combinators to facilitate writing GitHub webhooks.
 description:
   This package provides servant combinators that make writing safe GitHub
@@ -19,7 +19,7 @@
 copyright:           Jacob Thomas Errington (c) 2016-2018
 category:            Web
 build-type:          Simple
-tested-with:         GHC == 7.10.3, GHC == 8.2.2
+tested-with:         GHC == 8.6.5
 extra-source-files:
   ChangeLog.md
   README.md
diff --git a/src/Servant/GitHub/Webhook.hs b/src/Servant/GitHub/Webhook.hs
--- a/src/Servant/GitHub/Webhook.hs
+++ b/src/Servant/GitHub/Webhook.hs
@@ -232,7 +232,7 @@
 -- |For use with 'github-webhooks' package types.  Routes would look like:
 --
 -- @
---      api = "github-webevent" :> 
+--      api = "github-webevent" :>
 --          :> GitHubSignedReqBody '[JSON] (EventWithHookRepo IssuesEvent)
 --          :> Post '[JSON] ()
 -- @
@@ -422,6 +422,12 @@
 
 instance Reflect 'WebhookGollumEvent where
   reflect _ = WebhookGollumEvent
+
+instance Reflect 'WebhookInstallationEvent where
+  reflect _ = WebhookInstallationEvent
+
+instance Reflect 'WebhookInstallationRepositoriesEvent where
+  reflect _ = WebhookInstallationRepositoriesEvent
 
 instance Reflect 'WebhookIssueCommentEvent where
   reflect _ = WebhookIssueCommentEvent
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,1 +1,5 @@
-resolver: nightly-2018-04-05
+resolver: lts-14.1
+
+extra-deps:
+  - github-0.22
+  - binary-instances-1