diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+0.2.4.1
+=======
+
+*   Support for optparse-applicative >= 0.10.
+
 0.2.4
 =====
 
diff --git a/configuration-tools.cabal b/configuration-tools.cabal
--- a/configuration-tools.cabal
+++ b/configuration-tools.cabal
@@ -3,7 +3,7 @@
 -- ------------------------------------------------------ --
 
 Name:                configuration-tools
-Version:             0.2.4
+Version:             0.2.4.1
 Synopsis:            Tools for specifying and parsing configurations
 description:
     Tools for specifying and parsing configurations
@@ -54,7 +54,7 @@
 source-repository this
     type: git
     location: https://github.com/alephcloud/hs-configuration-tools.git
-    tag: 0.2.4
+    tag: 0.2.4.1
 
 Library
     hs-source-dirs: src
diff --git a/constraints b/constraints
--- a/constraints
+++ b/constraints
@@ -11,7 +11,7 @@
              bytestring ==0.10.4.0,
              comonad ==4.2,
              conduit ==1.1.6,
-             configuration-tools ==0.2.4,
+             configuration-tools ==0.2.4.1,
              containers ==0.5.5.1,
              contravariant ==0.6,
              deepseq ==1.3.0.2,
@@ -32,7 +32,7 @@
              mtl ==2.1.3.1,
              nats ==0.2,
              old-locale ==1.0.0.6,
-             optparse-applicative ==0.9.0,
+             optparse-applicative ==0.10.0,
              prelude-extras ==0.4,
              pretty ==1.1.1.1,
              primitive ==0.5.3.0,
diff --git a/src/Configuration/Utils.hs b/src/Configuration/Utils.hs
--- a/src/Configuration/Utils.hs
+++ b/src/Configuration/Utils.hs
@@ -9,6 +9,7 @@
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE CPP #-}
 
 {-# OPTIONS_HADDOCK show-extensions #-}
 
@@ -108,7 +109,12 @@
 import qualified Data.Text as T
 import qualified Data.Yaml as Yaml
 
+#if MIN_VERSION_optparse_applicative(0,10,0)
+import Options.Applicative hiding (Parser, Success)
+#else
 import Options.Applicative hiding (Parser, Success, (&))
+#endif
+
 import qualified Options.Applicative as O
 
 import Prelude.Unicode
@@ -482,6 +488,14 @@
         ⊕ O.short 'p'
         ⊕ O.help "Print the parsed configuration to standard out and exit"
         ⊕ O.showDefault
+#if MIN_VERSION_optparse_applicative(0,10,0)
+    <*> O.option (O.eitherReader $ \file → fileReader file <*> pure d)
+        × O.long "config-file"
+        ⊕ O.short 'c'
+        ⊕ O.metavar "FILE"
+        ⊕ O.help "Configuration file in YAML format"
+        ⊕ O.value d
+#else
     <*> O.nullOption
         × O.long "config-file"
         ⊕ O.short 'c'
@@ -489,6 +503,7 @@
         ⊕ O.help "Configuration file in YAML format"
         ⊕ O.eitherReader (\file → fileReader file <*> pure d)
         ⊕ O.value d
+#endif
   where
     fileReader file = fmapL (\e → "failed to parse configuration file " ⊕ file ⊕ ": " ⊕ show e)
         $ unsafePerformIO (Yaml.decodeFileEither file)
@@ -651,20 +666,20 @@
 -- enough to wrap the parsed value into 'Just'.
 --
 -- > data LogConfig = LogConfig
--- >    { _logLevel :: !Int
--- >    , _logFile :: !(Maybe String)
+-- >    { _logLevel ∷ !Int
+-- >    , _logFile ∷ !(Maybe String)
 -- >    }
 -- >
 -- > $(makeLenses ''LogConfig)
 -- >
--- > defaultLogConfig :: LogConfig
+-- > defaultLogConfig ∷ LogConfig
 -- > defaultLogConfig = LogConfig
 -- >     { _logLevel = 1
 -- >     , _logFile = Nothing
 -- >     }
 -- >
--- > instance FromJSON (LogConfig -> LogConfig) where
--- >     parseJSON = withObject "LogConfig" $ \o -> id
+-- > instance FromJSON (LogConfig → LogConfig) where
+-- >     parseJSON = withObject "LogConfig" $ \o → id
 -- >         <$< logLevel ..: "LogLevel" % o
 -- >         <*< logFile ..: "LogConfig" % o
 -- >
@@ -674,9 +689,13 @@
 -- >         , "LogConfig" .= _logFile config
 -- >         ]
 -- >
--- > pLogConfig :: MParser LogConfig
+-- > pLogConfig ∷ MParser LogConfig
 -- > pLogConfig = id
+-- > #if MIN_VERSION_optparse-applicative(0,10,0)
+-- >     <$< logLevel .:: option auto
+-- > #else
 -- >     <$< logLevel .:: option
+-- > #endif
 -- >         % long "log-level"
 -- >         % metavar "INTEGER"
 -- >         % help "log level"
diff --git a/src/Configuration/Utils/Http.hs b/src/Configuration/Utils/Http.hs
--- a/src/Configuration/Utils/Http.hs
+++ b/src/Configuration/Utils/Http.hs
@@ -7,6 +7,7 @@
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE RecordWildCards #-}
 {-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE CPP #-}
 
 {-# OPTIONS_HADDOCK show-extensions #-}
 
@@ -167,10 +168,18 @@
     <$< hscHost ∘ bs .:: strOption
         × long (prefix ⊕ "host")
         ⊕ help "Hostname of the service"
+#if MIN_VERSION_optparse_applicative(0,10,0)
+    <*< hscPort .:: option auto
+#else
     <*< hscPort .:: option
+#endif
         × long (prefix ⊕ "port")
         ⊕ help "Port of the service"
+#if MIN_VERSION_optparse_applicative(0,10,0)
+    <*< hscInterface ∘ bs .:: option auto
+#else
     <*< hscInterface ∘ bs .:: option
+#endif
         × long (prefix ⊕ "interface")
         ⊕ help "Interface of the service"
     <*< (hscUseTLS %:: (fmap <$> pHttpServiceTLSConfiguration prefix))
@@ -225,7 +234,11 @@
     <$< hccHost ∘ bs .:: strOption
         × long (serviceName ⊕ "-host")
         ⊕ help ("Hostname of " ⊕ serviceName)
+#if MIN_VERSION_optparse_applicative(0,10,0)
+    <*< hccPort .:: option auto
+#else
     <*< hccPort .:: option
+#endif
         × long (serviceName ⊕ "-port")
         ⊕ help ("Port of " ⊕ serviceName)
     <*< hccUseTLS .:: switch