diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+1.1.1
+---
+
+* Minor fixes:
+  * Fix `unused-imports` and `unused-foralls` warnings;
+  * Fix tests to match `swagger2-2.1.1` (add `example` property for `UTCTime` schema).
+
 1.1
 ---
 
diff --git a/example/swagger.json b/example/swagger.json
--- a/example/swagger.json
+++ b/example/swagger.json
@@ -31,6 +31,7 @@
             }
         },
         "UTCTime": {
+            "example": "2016-07-22T00:00:00Z",
             "format": "yyyy-mm-ddThh:MM:ssZ",
             "type": "string"
         },
diff --git a/servant-swagger.cabal b/servant-swagger.cabal
--- a/servant-swagger.cabal
+++ b/servant-swagger.cabal
@@ -1,5 +1,5 @@
 name:                servant-swagger
-version:             1.1
+version:             1.1.1
 synopsis:            Generate Swagger specification for your servant API.
 description:         Please see README.md
 homepage:            https://github.com/haskell-servant/servant-swagger
@@ -50,7 +50,7 @@
                      , http-media                >=0.6.3    && <0.7
                      , insert-ordered-containers >=0.1.0.0  && <0.2
                      , lens                      >=4.7.0.1  && <4.15
-                     , servant                   >=0.5      && <0.8
+                     , servant                   >=0.5      && <0.9
                      , swagger2                  >=2.1      && <2.2
                      , text                      >=1.2.0.6  && <1.3
                      , unordered-containers      >=0.2.5.1  && <0.3
diff --git a/src/Servant/Swagger/Internal.hs b/src/Servant/Swagger/Internal.hs
--- a/src/Servant/Swagger/Internal.hs
+++ b/src/Servant/Swagger/Internal.hs
@@ -18,8 +18,6 @@
 
 import Control.Lens
 import Data.Aeson
-import Data.HashMap.Strict (HashMap)
-import qualified Data.HashMap.Strict as HashMap
 import Data.Monoid
 import Data.Proxy
 import qualified Data.Swagger as Swagger
@@ -84,10 +82,10 @@
 
 -- | Make a singleton Swagger spec (with only one endpoint).
 -- For endpoints with no content see 'mkEndpointNoContent'.
-mkEndpoint :: forall a cs hs proxy proxy' method status.
+mkEndpoint :: forall a cs hs proxy method status.
   (ToSchema a, AllAccept cs, AllToResponseHeader hs, SwaggerMethod method, KnownNat status)
   => FilePath                                       -- ^ Endpoint path.
-  -> proxy' (Verb method status cs (Headers hs a))  -- ^ Method, content-types, headers and response.
+  -> proxy (Verb method status cs (Headers hs a))  -- ^ Method, content-types, headers and response.
   -> Swagger
 mkEndpoint path proxy
   = mkEndpointWithSchemaRef (Just ref) path proxy
@@ -96,10 +94,10 @@
     (defs, ref) = runDeclare (declareSchemaRef (Proxy :: Proxy a)) mempty
 
 -- | Make a singletone 'Swagger' spec (with only one endpoint) and with no content schema.
-mkEndpointNoContent :: forall nocontent cs hs proxy proxy' method status.
+mkEndpointNoContent :: forall nocontent cs hs proxy method status.
   (AllAccept cs, AllToResponseHeader hs, SwaggerMethod method, KnownNat status)
   => FilePath                                               -- ^ Endpoint path.
-  -> proxy' (Verb method status cs (Headers hs nocontent))  -- ^ Method, content-types, headers and response.
+  -> proxy (Verb method status cs (Headers hs nocontent))  -- ^ Method, content-types, headers and response.
   -> Swagger
 mkEndpointNoContent path proxy
   = mkEndpointWithSchemaRef Nothing path proxy
diff --git a/test/Servant/SwaggerSpec.hs b/test/Servant/SwaggerSpec.hs
--- a/test/Servant/SwaggerSpec.hs
+++ b/test/Servant/SwaggerSpec.hs
@@ -83,7 +83,8 @@
       "UTCTime":
         {
           "type": "string",
-          "format": "yyyy-mm-ddThh:MM:ssZ"
+          "format": "yyyy-mm-ddThh:MM:ssZ",
+          "example": "2016-07-22T00:00:00Z"
         }
     },
   "paths":