diff --git a/DataIndex.cabal b/DataIndex.cabal
--- a/DataIndex.cabal
+++ b/DataIndex.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           DataIndex
-version:        0.1.0
+version:        0.1.1
 synopsis:       A package for adding index column to data files
 description:    DataIndex can add index column to data files
 category:       Data
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -53,4 +53,4 @@
     - -with-rtsopts=-N
     main: Main.hs
     source-dirs: test-suite
-version: '0.1.0'
+version: '0.1.1'