diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 0.1.1.1
+
+* Support --version
+
 ## 0.1.1.0
 
 * Optional signature verification (--verify)
diff --git a/app/stackage-update.hs b/app/stackage-update.hs
--- a/app/stackage-update.hs
+++ b/app/stackage-update.hs
@@ -1,6 +1,8 @@
 import Stackage.Update
 import System.Environment (getArgs)
 import Data.List ((++), concat, intersperse)
+import Paths_stackage_update (version)
+import Data.Version (showVersion)
 
 main :: IO ()
 main = do
@@ -14,6 +16,7 @@
             , "    --hashes : Download from the all-cabal-hashes repo"
             ]
         ["--summary"] -> putStrLn "Update your package index incrementally (requires git)"
+        ["--version"] -> putStrLn $ "stackage-update version " ++ showVersion version
         _ -> stackageUpdate $ foldr addArg defaultStackageUpdateSettings args
 
 addArg :: String -> StackageUpdateSettings -> StackageUpdateSettings
diff --git a/stackage-update.cabal b/stackage-update.cabal
--- a/stackage-update.cabal
+++ b/stackage-update.cabal
@@ -1,5 +1,5 @@
 name:                stackage-update
-version:             0.1.1.0
+version:             0.1.1.1
 synopsis:            Update your package index incrementally (requires git)
 description:         Please see <https://www.stackage.org/package/stackage-update> for description
 homepage:            https://github.com/fpco/stackage-update