diff --git a/dixi.cabal b/dixi.cabal
--- a/dixi.cabal
+++ b/dixi.cabal
@@ -2,7 +2,7 @@
 -- see http://haskell.org/cabal/users-guide/
 
 name:                dixi
-version:             0.6.9.1
+version:             0.6.9.2
 synopsis:            A wiki implemented with a firm theoretical foundation.
 description:         This project is a simple wiki developed based on a
                      firm theoretical foundation.
@@ -61,20 +61,20 @@
   build-depends:       composition-tree >= 0.2.0.1 && < 0.3, patches-vector >= 0.1.2 && < 0.2
                      , pandoc >= 1.16 &&  < 1.18 , pandoc-types >= 1.16 && < 1.17
                      , base-orphans >= 0.5.0 && < 0.6
-                     , servant >= 0.5 && < 0.7
-                     , servant-server >= 0.5 && < 0.7
+                     , servant >= 0.5 && < 0.9
+                     , servant-server >= 0.5 && < 0.9
                      , acid-state >= 0.12 && <0.15 , safecopy >= 0.8.3 && < 0.10
-                     , lens >= 4.7 && < 4.14
-                     , blaze-html >= 0.8 && < 0.9 , servant-blaze >= 0.5 && < 0.7, blaze-markup >= 0.7 && <0.8
+                     , lens >= 4.7 && < 4.15
+                     , blaze-html >= 0.8 && < 0.9 , servant-blaze >= 0.5 && < 0.9, blaze-markup >= 0.7 && <0.8
                      , shakespeare >= 2.0 && < 2.1
                      , containers >= 0.5 && < 0.6 , text >= 1.2 && < 1.3
                      , vector >= 0.10 && <0.12
-                     , transformers >= 0.3 && < 0.5
-                     , data-default >= 0.5 && <0.6
+                     , transformers >= 0.3 && < 0.6
+                     , data-default >= 0.5 && <0.8
                      , either >= 4.3 && <4.5
                      , template-haskell
                      , aeson >= 0.8 && <  0.12
-                     , time >= 1.4 && < 1.6
+                     , time >= 1.4 && < 1.7
                      , time-locale-compat >= 0.1 && < 0.2
                      , bytestring >= 0.10 && < 0.11
                      , network-uri >= 2.6 && < 2.7 
@@ -97,7 +97,7 @@
   else
      build-depends: base >= 4.8 && < 4.10
   build-depends: warp >= 3.0 && <3.3
-               , servant-server >= 0.5 && < 0.7
+               , servant-server >= 0.5 && < 0.9
                , directory >= 1.0 && < 1.3
                , yaml >= 0.8 && < 0.9
                , base-orphans >= 0.5.0 && < 0.6
@@ -117,11 +117,11 @@
      cpp-options: -DOLDBASE
   else
      build-depends: base >= 4.8 && < 4.10
-  build-depends: dixi, servant-docs >= 0.5 && < 0.7
+  build-depends: dixi, servant-docs >= 0.5 && < 0.8
                , text >= 1.2 && < 1.3
-               , servant >= 0.5 && < 0.7
+               , servant >= 0.5 && < 0.8
                , time >= 1.4 && < 1.6
-               , lens >= 4.7 && < 4.14
+               , lens >= 4.7 && < 4.15
                , aeson-pretty >= 0.7 && < 0.8
                , aeson >= 0.8 && <  0.12
                , attoparsec >= 0.12 && < 0.14
@@ -130,5 +130,5 @@
                , shakespeare >= 2.0 && < 2.1
                , vector >= 0.10 && <0.12
                , patches-vector >= 0.1.2 && < 0.2
-               , servant-blaze >= 0.5 && <0.7
+               , servant-blaze >= 0.5 && <0.8
   default-language:    Haskell2010