diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,4 +1,6 @@
 # Revision history for hashable-orphans
+## 0.1  -- YYYY-mm-dd
+* Reuse time instances from time-compat, still exist for SortedList though.
 
 ## 0  -- YYYY-mm-dd
 
diff --git a/hashable-orphans.cabal b/hashable-orphans.cabal
--- a/hashable-orphans.cabal
+++ b/hashable-orphans.cabal
@@ -1,11 +1,10 @@
--- Initial hashable-orphans.cabal generated by cabal init.  For further 
--- documentation, see http://haskell.org/cabal/users-guide/
+cabal-version:       3.0
 
 name:                hashable-orphans
-version:             0
+version:             0.1
 synopsis:            Provides instances missing from Hashable.
 homepage:            https://oss.xkcd.com/
-license:             BSD3
+license:             BSD-3-Clause
 license-file:        LICENSE
 author:              davean
 maintainer:          oss@xkcd.com
@@ -13,7 +12,6 @@
 category:            Data
 build-type:          Simple
 extra-source-files:  ChangeLog.md
-cabal-version:       >=1.10
 description:         This package provides instances missing from <http://hackage.haskell.org/package/hashable hashable>, specificly ones for types from <http://hackage.haskell.org/package/time time> ('DiffTime', 'UTCTime') and <http://hackage.haskell.org/package/sorted-list sorted-list> at present.
 
 source-repository head
@@ -26,9 +24,8 @@
   exposed-modules:
         Data.Hashable.Orphans     
   build-depends:
-        base >=4.9 && <4.11
-      , hashable >= 1.2 && < 1.3
+        base >=4.9 && <4.18
+      , hashable >= 1.2 && < 1.5
       , sorted-list >= 0.2 && < 0.3
-      , time >= 1.6 && < 1.9
+      , time-compat ^>= 1.9
 
-      
diff --git a/src/Data/Hashable/Orphans.hs b/src/Data/Hashable/Orphans.hs
--- a/src/Data/Hashable/Orphans.hs
+++ b/src/Data/Hashable/Orphans.hs
@@ -3,14 +3,7 @@
 import Data.Hashable (Hashable(hashWithSalt))
 import Data.Foldable
 import Data.SortedList
-import Data.Time
-
-instance Hashable DiffTime where
-  hashWithSalt s = hashWithSalt s . diffTimeToPicoseconds
-
-instance Hashable UTCTime where
-  hashWithSalt s (UTCTime (ModifiedJulianDay d) dt) =
-    hashWithSalt s (d, dt)
+import Data.Time.Clock.Compat
 
 instance Hashable a => Hashable (SortedList a) where
   hashWithSalt s = hashWithSalt s . toList