diff --git a/changelog.md b/changelog.md
new file mode 100644
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,6 @@
+0.2.1
+-----
+
+Add instances for `Month`, `Quarter`, `QuarterOfYear` and `DayOfWeek`.
+
+
diff --git a/hashable-time.cabal b/hashable-time.cabal
--- a/hashable-time.cabal
+++ b/hashable-time.cabal
@@ -1,5 +1,5 @@
 name:                hashable-time
-version:             0.2.0.2
+version:             0.2.1
 synopsis:            Hashable instances for Data.Time
 description:
   Hashable instances for types in Data.Time
@@ -10,8 +10,8 @@
 category:            Data
 build-type:          Simple
 cabal-version:       >=1.10
-extra-source-files:  README.md
-tested-with:         GHC==7.8.4, GHC==7.10.3, GHC==8.0.2, GHC==8.2.2, GHC==8.4.3, GHC==8.6.1
+extra-source-files:  README.md changelog.md
+tested-with:         GHC==7.8.4, GHC==7.10.3, GHC==8.0.2, GHC==8.2.2, GHC==8.4.3, GHC==8.6.5, GHC==8.8.3, GHC==8.10.3
 
 flag old-locale
   manual: False
@@ -23,11 +23,13 @@
   default-language: Haskell2010
   ghc-options:      -Wall
   other-extensions: CPP
-  build-depends:    base >=4.7 && <4.13, hashable >=1.2.3.3 && <=1.3
+  build-depends:    base >=4.7 && <4.16, hashable >=1.2.4 && <1.4, time-compat >=1.9.4 && <1.10
+
   if flag(old-locale)
     build-depends:  time >=1.4 && <1.5, old-locale >=1.0 && <1.1
   else
-    build-depends:  time >=1.5
+    build-depends:  time >=1.5 && <1.12
+
 
 source-repository head
   type:     git
diff --git a/src/Data/Hashable/Time.hs b/src/Data/Hashable/Time.hs
--- a/src/Data/Hashable/Time.hs
+++ b/src/Data/Hashable/Time.hs
@@ -7,21 +7,18 @@
 -- Maintainer  : Alexey Karakulov <ankarakulov@gmail.com>
 module Data.Hashable.Time (Hashable(..)) where
 
-import Data.Fixed
 import Data.Hashable (Hashable(..))
-import Data.Time
-
-#if !MIN_VERSION_time(1,5,0)
-import System.Locale
-#endif
-
--- Dependencies
+import Data.Time.Compat (UniversalTime (..), DiffTime, UTCTime (..),
+                         NominalDiffTime, Day (..), DayOfWeek (..), TimeZone (..),
+                         TimeOfDay (..), LocalTime (..), ZonedTime (..))
+import Data.Time.Calendar.Month.Compat (Month (..))
+import Data.Time.Calendar.Quarter.Compat (Quarter (..), QuarterOfYear (..))
 
--- ! (>=1.2.4) ~ <1.2.4 ~ <= 1.2.3
-#if !MIN_VERSION_hashable(1,2,4)
--- https://github.com/tibbe/hashable/pull/101
-instance Hashable (Fixed a) where
-   hashWithSalt salt (MkFixed i) = hashWithSalt salt i
+-- time-compat doesn't redefine TimeLocale
+#ifdef MIN_VERSION_old_locale
+import System.Locale (TimeLocale (..))
+#else
+import Data.Time.Format.Compat (TimeLocale (..))
 #endif
 
 -- Data.Time.Clock
@@ -43,6 +40,18 @@
 
 instance Hashable Day where
   hashWithSalt salt (ModifiedJulianDay d) = hashWithSalt salt d
+
+instance Hashable Month where
+  hashWithSalt salt (MkMonth x) = hashWithSalt salt x
+
+instance Hashable Quarter where
+  hashWithSalt salt (MkQuarter x) = hashWithSalt salt x
+
+instance Hashable DayOfWeek where
+  hashWithSalt salt = hashWithSalt salt . fromEnum
+
+instance Hashable QuarterOfYear where
+  hashWithSalt salt = hashWithSalt salt . fromEnum
 
 -- Data.Time.LocalTime