diff --git a/JunkDB-driver-gdbm.cabal b/JunkDB-driver-gdbm.cabal
--- a/JunkDB-driver-gdbm.cabal
+++ b/JunkDB-driver-gdbm.cabal
@@ -2,11 +2,11 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                JunkDB-driver-gdbm
-version:             0.1.0.0
+version:             0.1.1.0
 -- synopsis:            
 description:         Generic KVS API
 license:             BSD3
-license-file:        ../LICENSE
+license-file:        LICENSE
 author:              HATTORI, Hiroki
 maintainer:          seagull.kamome@gmail.com
 -- copyright:           
@@ -24,11 +24,11 @@
   c-sources:           Database/Junk/GDBM_wrap.c
   -- other-modules:       
   build-depends:       base ==4.6.*,
-                       JunkDB ==0.1.*,
-                       mtl ==2.1.*,
-                       directory ==1.2.*,
-                       filepath ==1.3.*,
-                       bytestring ==0.10.*,
-                       conduit ==1.0.*,
-                       resourcet ==0.4.*
+                       JunkDB ==0.1.1.0,
+                       mtl >=2.1,
+                       directory >=1.2,
+                       filepath >=1.3,
+                       bytestring >=0.10,
+                       conduit >=1.0,
+                       resourcet >=0.4
 
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright (c) 2013, HATTORI, Hiroki
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of HATTORI, Hiroki nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.