diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 ~~~shell
 echo "
-10:30 10:40 tvirus
+10:30 10:40 t-virus
 10:40 12:28 icbm
 12:28 14:59 gsomia
 15:41 15:57 gsomia
@@ -22,14 +22,14 @@
 output
 
 ~~~shell
-tvirus	0:10
+t-virus	0:10
 icbm	6:42
 gsomia	3:45
 panzer	0:38
 ~~~
 
-区切りは`\n`でも`,`でもOKです.
+区切りは`\n`でも`,`でもOKです。
 
 ~~~shell
-echo "10:30 10:40 tvirus, 10:40 12:28 icbm, 12:28 14:59 gsomia, 15:41 15:57 gsomia, 15:57 16:35 panzer, 16:35 17:17 icbm, 17:17 17:28 gsomia, 17:28 18:15 icbm, 18:15 18:42 gsomia, 18:42 19:44 icbm, 19:44 20:04 gsomia, 20:04 21:10 icbm, 22:10 23:27 icbm" | homura-stopwatch
+echo "10:30 10:40 t-virus, 10:40 12:28 icbm, 12:28 14:59 gsomia, 15:41 15:57 gsomia, 15:57 16:35 panzer, 16:35 17:17 icbm, 17:17 17:28 gsomia, 17:28 18:15 icbm, 18:15 18:42 gsomia, 18:42 19:44 icbm, 19:44 20:04 gsomia, 20:04 21:10 icbm, 22:10 23:27 icbm" | homura-stopwatch
 ~~~
diff --git a/homura-stopwatch.cabal b/homura-stopwatch.cabal
--- a/homura-stopwatch.cabal
+++ b/homura-stopwatch.cabal
@@ -1,13 +1,11 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.33.0.
+-- This file has been generated from package.yaml by hpack version 0.38.0.
 --
 -- see: https://github.com/sol/hpack
---
--- hash: 4d34d81226128601c7d28a9324c8a893c66238bbc1219f147d3438e350ef29d0
 
 name:           homura-stopwatch
-version:        0.2.0
+version:        0.2.0.1
 description:    Please see the README on GitHub at <https://github.com/ncaq/homura-stopwatch#readme>
 homepage:       https://github.com/ncaq/homura-stopwatch#readme
 bug-reports:    https://github.com/ncaq/homura-stopwatch/issues
@@ -35,8 +33,8 @@
   ghc-options: -Wall -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-exported-signatures -Wmissing-home-modules -Wredundant-constraints -Wcompat
   build-depends:
       base >=4.7 && <5
-    , hourglass
     , split
+    , time-hourglass
   default-language: Haskell2010
 
 executable homura-stopwatch
@@ -49,6 +47,6 @@
   build-depends:
       base >=4.7 && <5
     , homura-stopwatch
-    , hourglass
     , split
+    , time-hourglass
   default-language: Haskell2010
diff --git a/src/Lib.hs b/src/Lib.hs
--- a/src/Lib.hs
+++ b/src/Lib.hs
@@ -31,11 +31,11 @@
               [hs, ss] -> do
                 h <- readMaybe hs
                 s <- readMaybe ss
-                pure $ DateTime date $ TimeOfDay{todHour = Hours h, todMin = Minutes s, todSec = 0, todNSec = 0}
+                pure $ DateTime date TimeOfDay{todHour = Hours h, todMin = Minutes s, todSec = 0, todNSec = 0}
               _ -> Nothing
             leftParse s =  Left $ "次の時刻表記が認識できませんでした: " <> s
         in case (parse startStr, parse endStr) of
-          (Just workStart, Just workEnd) -> Right $ Work{workName = concat tl, workTime = workEnd `timeDiff` workStart}
+          (Just workStart, Just workEnd) -> Right Work{workName = concat tl, workTime = workEnd `timeDiff` workStart}
           (Nothing, Just _) -> leftParse startStr
           (Just _, Nothing) -> leftParse endStr
           (Nothing, Nothing) -> leftParse $ startStr <> " && " <> endStr