diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 <!-- -*- Markdown -*- -->
 
+## 0.1.6.1
+
+- update version constraint. ( along with re-versioned relational-query. )
+
 ## 0.1.6.0
 
 - apply projections with overloaded-labels to schema tables.
diff --git a/relational-schemas.cabal b/relational-schemas.cabal
--- a/relational-schemas.cabal
+++ b/relational-schemas.cabal
@@ -1,5 +1,5 @@
 name:                relational-schemas
-version:             0.1.6.0
+version:             0.1.6.1
 synopsis:            RDBMSs' schema templates for relational-query
 description:         This package contains some RDBMSs' schema structure definitions.
                      Supported RDBMS schemas are below:
@@ -80,7 +80,7 @@
                        , time
                        , bytestring
 
-                       , relational-query >= 0.10.1
+                       , relational-query >= 0.11
 
   if impl(ghc == 7.4.*)
     build-depends:        ghc-prim == 0.2.*