diff --git a/project_template/tutorial/foo.cabal b/project_template/tutorial/foo.cabal
--- a/project_template/tutorial/foo.cabal
+++ b/project_template/tutorial/foo.cabal
@@ -22,7 +22,7 @@
     bytestring                >= 0.9.1   && < 0.11,
     MonadCatchIO-transformers >= 0.2.1   && < 0.4,
     mtl                       >= 2       && < 3,
-    snap                      >= 0.11    && < 0.13,
+    snap                      >= 0.11    && < 0.14,
     snap-core                 >= 0.9     && < 0.11,
     snap-server               >= 0.9     && < 0.11
 
diff --git a/snap.cabal b/snap.cabal
--- a/snap.cabal
+++ b/snap.cabal
@@ -1,5 +1,5 @@
 name:           snap
-version:        0.13.2.0
+version:        0.13.2.1
 synopsis:       Top-level package for the Snap Web Framework
 description:
     This is the top-level package for the official Snap Framework libraries.
@@ -144,7 +144,7 @@
 
   build-depends:
     MonadCatchIO-transformers >= 0.2      && < 0.4,
-    aeson                     >= 0.6      && < 0.7,
+    aeson                     >= 0.6      && < 0.8,
     attoparsec                >= 0.10     && < 0.12,
     bytestring                >= 0.9.1    && < 0.11,
     cereal                    >= 0.3      && < 0.5,
diff --git a/src/Snap/Snaplet/Auth/Types.hs b/src/Snap/Snaplet/Auth/Types.hs
--- a/src/Snap/Snaplet/Auth/Types.hs
+++ b/src/Snap/Snaplet/Auth/Types.hs
@@ -18,6 +18,7 @@
 import           Data.Hashable         (Hashable)
 import           Data.Time
 import           Data.Text             (Text)
+import           Data.Text.Encoding
 import           Data.Typeable
 import           Snap.Snaplet
 
@@ -268,8 +269,8 @@
     , "locked_until"       .= userLockedOutUntil    u
     , "current_login_at"   .= userCurrentLoginAt    u
     , "last_login_at"      .= userLastLoginAt       u
-    , "current_ip"         .= userCurrentLoginIp    u
-    , "last_ip"            .= userLastLoginIp       u
+    , "current_ip"         .= fmap decodeUtf8 (userCurrentLoginIp u)
+    , "last_ip"            .= fmap decodeUtf8 (userLastLoginIp u)
     , "created_at"         .= userCreatedAt         u
     , "updated_at"         .= userUpdatedAt         u
     , "reset_token"        .= userResetToken        u
@@ -294,8 +295,8 @@
     <*> v .: "locked_until"
     <*> v .: "current_login_at"
     <*> v .: "last_login_at"
-    <*> v .: "current_ip"
-    <*> v .: "last_ip"
+    <*> fmap (fmap encodeUtf8) (v .: "current_ip")
+    <*> fmap (fmap encodeUtf8) (v .: "last_ip")
     <*> v .: "created_at"
     <*> v .: "updated_at"
     <*> v .: "reset_token"
@@ -307,21 +308,21 @@
 
 ------------------------------------------------------------------------------
 instance ToJSON Password where
-  toJSON (Encrypted x) = toJSON x
+  toJSON (Encrypted x) = toJSON $ decodeUtf8 x
   toJSON (ClearText _) =
       error "ClearText passwords can't be serialized into JSON"
 
 
 ------------------------------------------------------------------------------
 instance FromJSON Password where
-  parseJSON = fmap Encrypted . parseJSON
+  parseJSON = fmap (Encrypted . encodeUtf8) . parseJSON
 
 
 ------------------------------------------------------------------------------
 instance ToJSON Role where
-  toJSON (Role x) = toJSON x
+  toJSON (Role x) = toJSON $ decodeUtf8 x
 
 
 ------------------------------------------------------------------------------
 instance FromJSON Role where
-  parseJSON = fmap Role . parseJSON
+  parseJSON = fmap (Role . encodeUtf8) . parseJSON
diff --git a/test/snap-testsuite.cabal b/test/snap-testsuite.cabal
--- a/test/snap-testsuite.cabal
+++ b/test/snap-testsuite.cabal
@@ -26,7 +26,7 @@
     unix                       >= 2.2.0.0  && < 2.7,
 
     MonadCatchIO-transformers  >= 0.2      && < 0.4,
-    aeson                      >= 0.6      && < 0.7,
+    aeson                      >= 0.6      && < 0.8,
     attoparsec                 >= 0.10     && < 0.12,
     bytestring                 >= 0.9.1    && < 0.11,
     cereal                     >= 0.3      && < 0.5,
@@ -98,7 +98,7 @@
 
   build-depends:
     MonadCatchIO-transformers  >= 0.2      && < 0.4,
-    aeson                      >= 0.6      && < 0.7,
+    aeson                      >= 0.6      && < 0.8,
     attoparsec                 >= 0.10     && < 0.12,
     bytestring                 >= 0.9.1    && < 0.11,
     cereal                     >= 0.3      && < 0.5,
@@ -180,7 +180,7 @@
     unix                       >= 2.2.0.0  && < 2.7,
 
     MonadCatchIO-transformers  >= 0.2      && < 0.4,
-    aeson                      >= 0.6      && < 0.7,
+    aeson                      >= 0.6      && < 0.8,
     attoparsec                 >= 0.10     && < 0.12,
     bytestring                 >= 0.9.1    && < 0.11,
     cereal                     >= 0.3      && < 0.5,