diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -11,13 +11,11 @@
 λ: :m + Data.HTTPSEverywhere.Rules Network.URI
 λ: let Just eff = parseURI "http://www.eff.org/document/eff-and-aclu-amicus-brief-klayman"
 λ: rewriteURL eff
-Just https://www.eff.org/document/eff-and-aclu-amicus-brief-klayman
-λ: :m + Web.Cookie Network.HTTP.Client Data.Time.Clock Control.Applicative
-λ: :set -XOverloadedStrings
-λ: (now, req) <- (,) <$> getCurrentTime <*> parseUrl "https://github.com"
-λ: let (Just gh, Just ck) = (parseURI "https://github.com", generateCookie (def{setCookieDomain=Just "github.com"}) req now True)
-λ: rewriteCookie gh ck
-Cookie {cookie_name = "name", cookie_value = "value", cookie_expiry_time = 3013-12-25 00:00:00 UTC, cookie_domain = "github.com", cookie_path = "/", cookie_creation_time = 2014-08-24 05:58:20.691866 UTC, cookie_last_access_time = 2014-08-24 05:58:20.691866 UTC, cookie_persistent = False, cookie_host_only = False, cookie_secure_only = True, cookie_http_only = False}
+https://www.eff.org/document/eff-and-aclu-amicus-brief-klayman
+λ: :m + Network.HTTP.Client Network.HTTP.Client.TLS Control.Applicative Control.Lens
+λ: (req, hub) <- (,) <*> getUri <$> parseUrl "https://github.com/fmap/https-everywhere-rules"
+λ: newManager tlsManagerSettings >>= httpNoBody req <&> destroyCookieJar . responseCookieJar >>= mapM (rewriteCookie hub)
+[Cookie {cookie_name = "_gh_sess", cookie_value = "eyJzZXNzaW9uX2lkIjoiNjBlM2FiOTIxNTdhZTNhNDE5YWQ0ZTk4ZWQzNDRjMjEiLCJzcHlfcmVwbyI6ImZtYXAvaHR0cHMtZXZlcnl3aGVyZS1ydWxlcyIsInNweV9yZXBvX2F0IjoxNDA4ODk2OTM2LCJfY3NyZl90b2tlbiI6IktkbTlwN2JqNGptVmhrYjFIUm9BbkV0a1JTQXRDUXJid2g4VWo4N1g0Q1U9In0%3D--d378daa262b8c12bb82246d5de6b3adc353a3db7", cookie_expiry_time = 3013-12-25 00:00:00 UTC, cookie_domain = "github.com", cookie_path = "/", cookie_creation_time = 2014-08-24 16:15:37.815144 UTC, cookie_last_access_time = 2014-08-24 16:15:37.815144 UTC, cookie_persistent = False, cookie_host_only = True, cookie_secure_only = True, cookie_http_only = True},Cookie {cookie_name = "logged_in", cookie_value = "no", cookie_expiry_time = 2034-08-24 16:15:36 UTC, cookie_domain = "github.com", cookie_path = "/", cookie_creation_time = 2014-08-24 16:15:37.815144 UTC, cookie_last_access_time = 2014-08-24 16:15:37.815144 UTC, cookie_persistent = True, cookie_host_only = False, cookie_secure_only = True, cookie_http_only = True}]
 ```
 
 Rules are provided via [`https-everywhere-rules-raw`][2], which is
diff --git a/https-everywhere-rules.cabal b/https-everywhere-rules.cabal
--- a/https-everywhere-rules.cabal
+++ b/https-everywhere-rules.cabal
@@ -1,7 +1,7 @@
 name:
   https-everywhere-rules
 version:
-  0.0.1
+  0.0.2
 synopsis:
   High-level access to HTTPS Everywhere rulesets.
 homepage:
@@ -43,7 +43,7 @@
     string-conversions >= 0.3  && < 0.4,
     taggy-lens         >= 0.1  && < 0.2,
     text               >= 1.1  && < 1.2,
-    text-icu           >= 0.6  && < 0.7,
+    text-icu           >= 0.6  && < 0.8,
     https-everywhere-rules-raw
   hs-source-dirs:
     src
@@ -68,7 +68,7 @@
     string-conversions >= 0.3  && < 0.4,
     taggy-lens         >= 0.1  && < 0.2,
     text               >= 1.1  && < 1.2,
-    text-icu           >= 0.6  && < 0.7,
+    text-icu           >= 0.6  && < 0.8,
     https-everywhere-rules-raw
   main-is:
     Spec.hs
diff --git a/src/Data/HTTPSEverywhere/Rules.hs b/src/Data/HTTPSEverywhere/Rules.hs
--- a/src/Data/HTTPSEverywhere/Rules.hs
+++ b/src/Data/HTTPSEverywhere/Rules.hs
@@ -6,6 +6,7 @@
 import Prelude hiding (null, head)
 import Control.Lens ((<&>),(&))
 import Data.Bool (bool)
+import Data.Maybe (fromMaybe)
 import Network.HTTP.Client (Cookie)
 import Network.URI (URI)
 import Pipes ((>->))
@@ -13,8 +14,8 @@
 import Control.Monad (join)
 import Data.HTTPSEverywhere.Rules.Internal (getRulesetsMatching, havingRulesThatTrigger, havingCookieRulesThatTrigger, setSecureFlag)
 
-rewriteURL :: URI -> IO (Maybe URI)
-rewriteURL url = getRulesetsMatching url >-> havingRulesThatTrigger url & head <&> join
+rewriteURL :: URI -> IO URI
+rewriteURL url = getRulesetsMatching url >-> havingRulesThatTrigger url & head <&> fromMaybe url . join
 
 rewriteCookie :: URI -> Cookie -> IO Cookie
 rewriteCookie url cookie = null producer <&> setSecureFlag cookie `bool` cookie