diff --git a/Trace/Hpc/Tix.hs b/Trace/Hpc/Tix.hs
--- a/Trace/Hpc/Tix.hs
+++ b/Trace/Hpc/Tix.hs
@@ -1,6 +1,6 @@
 {-# LANGUAGE CPP #-}
 #if __GLASGOW_HASKELL__ >= 704
-{-# LANGUAGE Safe #-}
+{-# LANGUAGE Safe, DeriveGeneric, StandaloneDeriving #-}
 #elif __GLASGOW_HASKELL__ >= 702
 -- System.FilePath in filepath version 1.2.0.1 isn't marked or implied Safe,
 -- as shipped with GHC 7.2.
@@ -16,6 +16,11 @@
                      tixModuleName, tixModuleHash, tixModuleTixs,
                      readTix, writeTix, getTixFileName) where
 
+#if __GLASGOW_HASKELL__ >= 704
+import GHC.Generics (Generic)
+import Control.DeepSeq (NFData)
+#endif
+
 import System.FilePath (replaceExtension)
 
 import Trace.Hpc.Util (Hash, catchIO, readFileUtf8, writeFileUtf8)
@@ -25,12 +30,26 @@
 data Tix = Tix [TixModule]
         deriving (Read, Show, Eq)
 
+#if __GLASGOW_HASKELL__ >= 704
+-- | @since 0.6.2.0
+deriving instance (Generic Tix)
+-- | @since 0.6.2.0
+instance NFData Tix
+#endif
+
 data TixModule = TixModule
                  String    --  module name
                  Hash      --  hash number
                  Int       --  length of Tix list (allows pre-allocation at parse time).
                  [Integer] --  actual ticks
         deriving (Read, Show, Eq)
+
+#if __GLASGOW_HASKELL__ >= 704
+-- | @since 0.6.2.0
+deriving instance (Generic TixModule)
+-- | @since 0.6.2.0
+instance NFData TixModule
+#endif
 
 -- TODO: Turn extractors below into proper 'TixModule' field-labels
 tixModuleName :: TixModule -> String
diff --git a/Trace/Hpc/Util.hs b/Trace/Hpc/Util.hs
--- a/Trace/Hpc/Util.hs
+++ b/Trace/Hpc/Util.hs
@@ -1,6 +1,6 @@
 {-# LANGUAGE CPP #-}
 #if __GLASGOW_HASKELL__ >= 704
-{-# LANGUAGE Safe #-}
+{-# LANGUAGE Safe, DeriveGeneric, StandaloneDeriving #-}
 #elif __GLASGOW_HASKELL__ >= 702
 {-# LANGUAGE Trustworthy #-}
 #endif
@@ -22,7 +22,11 @@
        , writeFileUtf8
        ) where
 
-import Control.DeepSeq (deepseq)
+#if __GLASGOW_HASKELL__ >= 704
+import GHC.Generics (Generic)
+#endif
+
+import Control.DeepSeq (deepseq, NFData)
 import qualified Control.Exception as Exception
 import Data.List(foldl')
 import Data.Char (ord)
@@ -80,6 +84,13 @@
   toHash :: a -> Hash
 
 newtype Hash = Hash Word32 deriving (Eq)
+
+#if __GLASGOW_HASKELL__ >= 704
+-- | @since 0.6.2.0
+deriving instance (Generic Hash)
+-- | @since 0.6.2.0
+instance NFData Hash
+#endif
 
 instance Read Hash where
   readsPrec p n = [ (Hash v,rest)
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,4 +1,7 @@
 # Changelog for [`hpc` package](http://hackage.haskell.org/package/hpc)
+## 0.6.2.0  *September 2021*
+
+  * Addition of `NFData` instances for `Tix` and `TixModule`
 
 ## 0.6.1.0  *October 2019*
 
diff --git a/hpc.cabal b/hpc.cabal
--- a/hpc.cabal
+++ b/hpc.cabal
@@ -1,5 +1,5 @@
 name:         hpc
-version:      0.6.1.0
+version:      0.6.2.0
 -- NOTE: Don't forget to update ./changelog.md
 license:      BSD3
 license-file: LICENSE
@@ -22,7 +22,7 @@
 
 source-repository head
     type:     git
-    location: http://git.haskell.org/packages/hpc.git
+    location: https://gitlab.haskell.org/ghc/packages/hpc.git
 
 Library
     default-language: Haskell98