diff --git a/bloodhound.cabal b/bloodhound.cabal
index e953b730..9534e2f1 100644
--- a/bloodhound.cabal
+++ b/bloodhound.cabal
@@ -44,7 +44,7 @@ library
   build-depends:       base             >= 4.3     && <5,
                        bytestring       >= 0.10.0  && <0.11,
                        containers       >= 0.5.0.0 && <0.6,
-                       aeson            >= 0.11.1  && <1.1,
+                       aeson            >= 0.11.1  && <1.2,
                        http-client      >= 0.4.30  && <0.6,
                        network-uri      >= 2.6     && <2.7,
                        semigroups       >= 0.15    && <0.19,
diff --git a/changelog.md b/changelog.md
index a39170ce..2f79b0e6 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,10 @@
+0.12.1.0
+===================
+* @michaelxavier
+  - #162 Allow Aeson 1.1
+* @bermanjosh
+  - #159 Fix bug with tie breaker json instance for MultiMatchQuery
+
 0.12.0.0
 ===================
 This release contains several new APIs, documentation fixes, and some minor type updates, and steps towards ES 2.0 support. Thanks to all of our contributors!
diff --git a/src/Database/V1/Bloodhound/Types.hs b/src/Database/V1/Bloodhound/Types.hs
index 1cb6827b..b522f735 100644
--- a/src/Database/V1/Bloodhound/Types.hs
+++ b/src/Database/V1/Bloodhound/Types.hs
@@ -2012,7 +2012,7 @@ instance BucketAggregation DateRangeResult where
   docCount = dateRangeDocCount
   aggs = dateRangeAggs
 
-instance (FromJSON a, BucketAggregation a) => FromJSON (Bucket a) where
+instance (FromJSON a) => FromJSON (Bucket a) where
   parseJSON (Object v) = Bucket <$>
                          v .: "buckets"
   parseJSON _ = mempty
diff --git a/stack-8.0.yaml b/stack-8.0.yaml
index 33cd5d58..97847c3a 100644
--- a/stack-8.0.yaml
+++ b/stack-8.0.yaml
@@ -3,7 +3,7 @@ packages:
 - '.'
 extra-deps:
 - quickcheck-properties-0.1
-
+- aeson-1.1.0.0
 # - http-client-0.5.0
 # - fail-4.9.0.0
 # - http-types-0.9
diff --git a/tests/V1/tests.hs b/tests/V1/tests.hs
index e4941ab3..4f9248af 100644
--- a/tests/V1/tests.hs
+++ b/tests/V1/tests.hs
@@ -586,7 +586,7 @@ instance ApproxEq Vers.Version where
   (=~) = (==)
 instance (ApproxEq a, Show a) => ApproxEq [a] where
   as =~ bs = and (zipWith (=~) as bs)
-instance (ApproxEq l, Show l, ApproxEq r, Show r) => ApproxEq (Either l r) where
+instance (ApproxEq l, ApproxEq r) => ApproxEq (Either l r) where
   Left a =~ Left b = a =~ b
   Right a =~ Right b = a =~ b
   _ =~ _ = False