diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -9,9 +9,9 @@
 import Data.Monoid (mconcat)
 
 main = scotty 3000 $ do
-get "/:word" $ do
-  beam <- param "word"
-  html $ mconcat ["<h1>Scotty, ", beam, " me up!</h1>"]
+    get "/:word" $ do
+        beam <- param "word"
+        html $ mconcat ["<h1>Scotty, ", beam, " me up!</h1>"]
 ```
 
 Scotty is the cheap and cheerful way to write RESTful, declarative web applications.
diff --git a/Web/Scotty/Route.hs b/Web/Scotty/Route.hs
--- a/Web/Scotty/Route.hs
+++ b/Web/Scotty/Route.hs
@@ -17,6 +17,7 @@
 import Data.Either (partitionEithers)
 import Data.Maybe (fromMaybe)
 import Data.Monoid (mconcat)
+import Data.String (fromString)
 import qualified Data.Text.Lazy as T
 import qualified Data.Text as TS
 
@@ -164,7 +165,7 @@
 --
 --   are equivalent.
 capture :: String -> RoutePattern
-capture = Capture . T.pack
+capture = fromString
 
 -- | Build a route based on a function which can match using the entire 'Request' object.
 --   'Nothing' indicates the route does not match. A 'Just' value indicates
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+## 0.7.3
+
+* Bump upper bound for `case-insensitive`, `mtl` and `transformers`.
+
 ## 0.7.2
 
 * Bump lower bound on conduit, add conduit-extra to cabal build depends.
diff --git a/scotty.cabal b/scotty.cabal
--- a/scotty.cabal
+++ b/scotty.cabal
@@ -1,5 +1,5 @@
 Name:                scotty
-Version:             0.7.2
+Version:             0.7.3
 Synopsis:            Haskell web framework inspired by Ruby's Sinatra, using WAI and Warp
 Homepage:            https://github.com/scotty-web/scotty
 Bug-reports:         https://github.com/scotty-web/scotty/issues
@@ -72,15 +72,15 @@
                        base             >= 4.3.1    && < 5,
                        blaze-builder    >= 0.3.3.0  && < 0.4,
                        bytestring       >= 0.10.0.2 && < 0.11,
-                       case-insensitive >= 1.0.0.1  && < 1.2,
+                       case-insensitive >= 1.0.0.1  && < 1.3,
                        conduit          >= 1.1      && < 1.2,
                        conduit-extra    >= 1.1      && < 1.2,
                        data-default     >= 0.5.3    && < 0.6,
                        http-types       >= 0.8.2    && < 0.9,
-                       mtl              >= 2.1.2    && < 2.2,
+                       mtl              >= 2.1.2    && < 2.3,
                        regex-compat     >= 0.95.1   && < 0.96,
                        text             >= 0.11.3.1 && < 1.2,
-                       transformers     >= 0.3.0.0  && < 0.4,
+                       transformers     >= 0.3.0.0  && < 0.5,
                        wai              >= 2.0.0    && < 2.2,
                        wai-extra        >= 2.0.1    && < 2.2,
                        warp             >= 2.1.1    && < 2.2