diff --git a/prove-everywhere-server.cabal b/prove-everywhere-server.cabal
--- a/prove-everywhere-server.cabal
+++ b/prove-everywhere-server.cabal
@@ -2,10 +2,10 @@
 -- further documentation, see http://haskell.org/cabal/users-guide/
 
 name:                prove-everywhere-server
-version:             0.1
+version:             0.1.1
 synopsis:            The server for ProveEverywhere
 description:         This is the server for ProveEverywhere project.
-homepage:            https://github.com/amutake/prove-everywhere
+homepage:            https://github.com/prove-everywhere/server
 license:             BSD3
 license-file:        LICENSE
 author:              Shohei Yasutake
@@ -28,12 +28,12 @@
                      , bytestring == 0.10.*
                      , unordered-containers == 0.2.*
                      , http-types == 0.8.*
-                     , aeson == 0.7.*
-                     , text == 1.1.*
-                     , parsers == 0.11.*
+                     , aeson >= 0.7 && < 0.9
+                     , text >= 1.1 && < 1.3
+                     , parsers >= 0.11 && < 0.13
                      , parsec == 3.1.*
                      , safe == 0.3.*
-                     , time == 1.4.*
+                     , time >= 1.4 && < 1.6
                      , case-insensitive >= 0.2
   hs-source-dirs:      src
   default-language:    Haskell2010