diff --git a/bloodhound-amazonka-auth.cabal b/bloodhound-amazonka-auth.cabal
--- a/bloodhound-amazonka-auth.cabal
+++ b/bloodhound-amazonka-auth.cabal
@@ -1,5 +1,5 @@
 name:                bloodhound-amazonka-auth
-version:             0.1.2.0
+version:             0.1.2.1
 synopsis:            Adds convenient Amazon ElasticSearch Service authentication to Bloodhound.
 description:         Please see README.md
 homepage:            http://github.com/MichaelXavier/bloodhound-amazonka-auth#readme
@@ -26,8 +26,8 @@
                      , bloodhound >= 0.11
                      , http-client
                      , time
-                     , amazonka-core >= 1.3.0 && < 1.5
-                     , amazonka-elasticsearch >= 1.3.6 && < 1.5
+                     , amazonka-core >= 1.3.0
+                     , amazonka-elasticsearch >= 1.3.6
                      , transformers
                      , http-types
                      , exceptions
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+0.1.2.1
+* Allow newer dependencies, including bloodhound.
+
 0.1.2.0
 * Fix bug where amazonka would override user-specified timeouts.
 * Support newer versions of bloodhound.
diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -73,6 +73,9 @@
           , searchType = SearchTypeQueryThenFetch
           , fields = Nothing
           , source = Nothing
+#if MIN_VERSION_bloodhound(0, 15, 0)
+          , suggestBody = Nothing
+#endif
           }
       res <- parseEsResponse =<< runBH env (searchByIndex testIndexSplat search)
       case (res :: Either EsError (SearchResult Value)) of
@@ -104,7 +107,7 @@
   [
     testCase "does not mangle query parameters" $ do
       req <- parseUrlThrow "http://localhost:9200/foo/foo/_search?scroll=1m&search_type=scan"
-      let ae = AuthEnv (AccessKey "access key") (SecretKey "secret key") Nothing Nothing
+      let ae = AuthEnv (AccessKey "access key") "secret key" Nothing Nothing
       let now = posixSecondsToUTCTime 0
       let Right res = amazonkaAuthHook' ae NorthVirginia req now
       secure res @?= False