diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -13,7 +13,9 @@
 * search-maintainer: search all the database for match in the maintainer field.
 * graph: generate a dot format graph of the dependency
 * license: list all licenses used by packages and their dependencies
+* bumpable: list all the upper version bounds that could be bumped for a list of packages
 
 Check the original blog post for more information:
 
 * [Cabal-db announcement](http://tab.snarc.org/posts/haskell/2013-03-13-cabal-db.html)
+* [Cabal-db license](http://tab.snarc.org/posts/haskell/2014-03-29-cabal-db-license.html)
diff --git a/Src/Main.hs b/Src/Main.hs
--- a/Src/Main.hs
+++ b/Src/Main.hs
@@ -209,6 +209,23 @@
     run availablePackages hidePlatform hidden pkgs
 
 -----------------------------------------------------------------------
+runCmd (CmdBumpable pkgs) = do
+    apkgs <- loadAvailablePackages
+    let getPkg n = (fmap fst . finPkgDesc) <$> getPackageDescription apkgs (PackageName n) Nothing
+        bumpables = filter (not . null . snd) $ map checkBump pkgs
+        checkBump pname = case getPkg pname of
+            Nothing -> error ("no such package : " ++ show pname)
+            Just resp -> (,) pname $ do
+                Dependency (PackageName depname) verrange <- case resp of
+                    Left d -> d
+                    Right x -> buildDepends x
+                v <- case getPkg depname of
+                         Just (Right a) -> return (pkgVersion (package a))
+                         _ -> mzero -- might be an error ?
+                guard (not (withinRange v verrange))
+                return $ PP.string depname PP.<+> PP.string "->" PP.<+> PP.cat (intersperse PP.dot (map PP.int (versionBranch v)))
+    forM_ bumpables $ \(pname, desc) -> PP.putDoc (PP.string pname PP.<$> PP.indent 4 (PP.vcat desc) PP.<> PP.line)
+-----------------------------------------------------------------------
 runCmd (CmdDiff (PackageName -> pname) v1 v2) = runDiff
   where runDiff = do
             availablePackages <- loadAvailablePackages
diff --git a/Src/Options.hs b/Src/Options.hs
--- a/Src/Options.hs
+++ b/Src/Options.hs
@@ -35,6 +35,9 @@
         , licensePrintSummary :: Bool
         , licensePackages :: [String]
         }
+    | CmdBumpable
+        { bumpablePackages :: [String]
+        }
 
 data SearchTerm = SearchMaintainer | SearchAuthor
 
@@ -46,6 +49,7 @@
     <> command "search-author" (info (cmdSearch SearchAuthor) (progDesc "search the cabal database by author(s)"))
     <> command "search-maintainer" (info (cmdSearch SearchMaintainer) (progDesc "search the cabal database by maintainer(s)"))
     <> command "license" (info cmdLicense (progDesc "list all licenses of a set of packages and their dependencies"))
+    <> command "bumpable" (info cmdBumpable (progDesc "list all dependencies that could receive an upper-bound version bump"))
     )
   where cmdGraph = CmdGraph
                 <$> many (strOption (long "hide" <> short 'h' <> metavar "PACKAGE" <> help "package to hide"))
@@ -65,6 +69,8 @@
                 <$> switch (short 't' <> long "tree" <> help "show the tree dependencies of license")
                 <*> switch (short 's' <> long "summary" <> help "Show the summary")
                 <*> packages
+        cmdBumpable = CmdBumpable
+                <$> packages
         packages = some (argument Just (metavar "<packages..>"))
 
 getOptions :: IO Command
diff --git a/cabal-db.cabal b/cabal-db.cabal
--- a/cabal-db.cabal
+++ b/cabal-db.cabal
@@ -1,6 +1,6 @@
 Name:                cabal-db
-Version:             0.1.7
-Synopsis:            query tools for the local cabal database (revdeps, graph, info, search-by)
+Version:             0.1.8
+Synopsis:            query tools for the local cabal database (revdeps, graph, info, search-by, license, bounds)
 Description:
     Query tool for the local cabal database
     .
@@ -13,6 +13,8 @@
       * Generate graphs of dependencies in dot format
     .
       * List licenses of package and their dependencies
+    .
+      * List all the upper version bounds that could be bumped for a list of packages
 
 License:             BSD3
 License-file:        LICENSE
