diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.0.1
+
+- Add instances for `time-1.11` types: `Month`, `Quarter`, `QuarterOfYear`
+
 ## 1
 
 - **Breaking change** rename this package to `binary-instances`.
diff --git a/binary-instances.cabal b/binary-instances.cabal
--- a/binary-instances.cabal
+++ b/binary-instances.cabal
@@ -1,12 +1,12 @@
 name:               binary-instances
-version:            1.0.0.1
+version:            1.0.1
 synopsis:           Orphan instances for binary
 description:
   `binary-instances` defines orphan instances for types in some popular packages.
 
 category:           Web
-homepage:           https://github.com/phadej/binary-instances#readme
-bug-reports:        https://github.com/phadej/binary-instances/issues
+homepage:           https://github.com/haskellari/binary-instances#readme
+bug-reports:        https://github.com/haskellari/binary-instances/issues
 author:             Oleg Grenrus <oleg.grenrus@iki.fi>
 maintainer:         Oleg Grenrus <oleg.grenrus@iki.fi>
 license:            BSD3
@@ -21,20 +21,20 @@
    || ==8.2.2
    || ==8.4.4
    || ==8.6.5
-   || ==8.8.3
-   || ==8.10.1
+   || ==8.8.4
+   || ==8.10.2
 
 extra-source-files: CHANGELOG.md
 
 source-repository head
   type:     git
-  location: https://github.com/phadej/binary-instances
+  location: https://github.com/haskellari/binary-instances
 
 library
   default-language: Haskell2010
   hs-source-dirs:   src
   build-depends:
-      aeson                    >=0.7.0.6   && <1.5
+      aeson                    >=0.7.0.6   && <1.6
     , base                     >=4.6.0.1   && <4.15
     , binary                   >=0.5.1.1   && <0.8.9
     , binary-orphans           >=1.0.1     && <1.1
@@ -44,7 +44,7 @@
     , tagged                   >=0.7.3     && <0.8.7
     , text                     >=1.2.0.6   && <1.3
     , text-binary              >=0.2.1.1   && <0.3
-    , time-compat              >=1.9.2.2   && <1.10
+    , time-compat              >=1.9.4     && <1.10
     , unordered-containers     >=0.2.5.1   && <0.3
     , vector                   >=0.10.12.3 && <0.13
     , vector-binary-instances  >=0.2.1.0   && <0.3
@@ -74,11 +74,11 @@
     , binary-instances
     , case-insensitive
     , hashable
-    , QuickCheck            >=2.13.1   && <2.14
-    , quickcheck-instances  >=0.3.21   && <0.4
+    , QuickCheck            >=2.13.1   && <2.15
+    , quickcheck-instances  >=0.3.25   && <0.4
     , scientific
     , tagged
-    , tasty                 >=0.10.1.2 && <1.3
+    , tasty                 >=0.10.1.2 && <1.4
     , tasty-quickcheck      >=0.8.3.2  && <0.11
     , text
     , time-compat
diff --git a/src/Data/Binary/Instances/Time.hs b/src/Data/Binary/Instances/Time.hs
--- a/src/Data/Binary/Instances/Time.hs
+++ b/src/Data/Binary/Instances/Time.hs
@@ -6,12 +6,14 @@
 import Data.Binary.Orphans ()
 import Data.Word           (Word8)
 
-import qualified Data.Fixed                    as Fixed
-import qualified Data.Time.Calendar.Compat     as Time
-import qualified Data.Time.Clock.Compat        as Time
-import qualified Data.Time.Clock.System.Compat as Time
-import qualified Data.Time.Clock.TAI.Compat    as Time
-import qualified Data.Time.LocalTime.Compat    as Time
+import qualified Data.Fixed                        as Fixed
+import qualified Data.Time.Calendar.Compat         as Time
+import qualified Data.Time.Calendar.Month.Compat   as Time
+import qualified Data.Time.Calendar.Quarter.Compat as Time
+import qualified Data.Time.Clock.Compat            as Time
+import qualified Data.Time.Clock.System.Compat     as Time
+import qualified Data.Time.Clock.TAI.Compat        as Time
+import qualified Data.Time.LocalTime.Compat        as Time
 
 instance Binary Time.Day where
   get = fmap Time.ModifiedJulianDay get
@@ -84,4 +86,27 @@
             4 -> Time.Thursday
             5 -> Time.Friday
             6 -> Time.Saturday
+            _ -> error "panic: get @DayOfWeek"
+
+instance Binary Time.Month where
+    put (Time.MkMonth m) = put m
+    get = fmap Time.MkMonth get
+
+instance Binary Time.Quarter where
+    put (Time.MkQuarter m) = put m
+    get = fmap Time.MkQuarter get
+
+instance Binary Time.QuarterOfYear where
+    put Time.Q1 = put (1 :: Word8)
+    put Time.Q2 = put (2 :: Word8)
+    put Time.Q3 = put (3 :: Word8)
+    put Time.Q4 = put (4 :: Word8)
+
+    get = do
+        i <- get
+        return $ case mod (i :: Word8) 7 of
+            1 -> Time.Q1
+            2 -> Time.Q2
+            3 -> Time.Q3
+            4 -> Time.Q4
             _ -> error "panic: get @DayOfWeek"
diff --git a/test/Tests.hs b/test/Tests.hs
--- a/test/Tests.hs
+++ b/test/Tests.hs
@@ -21,11 +21,13 @@
 
 import qualified Data.Vector.Unboxed as VU
 
-import qualified Data.Time.Calendar.Compat     as Time
-import qualified Data.Time.Clock.Compat        as Time
-import qualified Data.Time.Clock.System.Compat as Time
-import qualified Data.Time.Clock.TAI.Compat    as Time
-import qualified Data.Time.LocalTime.Compat    as Time
+import qualified Data.Time.Calendar.Compat         as Time
+import qualified Data.Time.Calendar.Month.Compat   as Time
+import qualified Data.Time.Calendar.Quarter.Compat as Time
+import qualified Data.Time.Clock.Compat            as Time
+import qualified Data.Time.Clock.System.Compat     as Time
+import qualified Data.Time.Clock.TAI.Compat        as Time
+import qualified Data.Time.LocalTime.Compat        as Time
 
 main :: IO ()
 main = defaultMain tests
@@ -48,6 +50,9 @@
     , roundtripProperty (undefined :: Time.TimeOfDay)
     , roundtripProperty (undefined :: Time.TimeZone)
     , roundtripProperty (undefined :: Time.UTCTime)
+    , roundtripProperty (undefined :: Time.QuarterOfYear)
+    , roundtripProperty (undefined :: Time.Quarter)
+    , roundtripProperty (undefined :: Time.Month)
     -- case-insensitive & text
     , roundtripProperty (undefined :: (CI Text))
     -- semigroups / monoids
