diff --git a/Cargo.toml b/Cargo.toml
index 5a73a43..1dbbb09 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "exif"
-version = "0.2.3"
+version = "0.3.0"
 authors = ["KAMADA Ken'ichi <kamada@nanohz.org>"]
 
 description = "Exif parsing library written in pure Rust"
diff --git a/README b/README
index e419149..28958ee 100644
--- a/README
+++ b/README
@@ -13,7 +13,7 @@ Usage
    minor will be bumped to indicate backwards-incompatible changes.
 
       [dependencies]
-      exif = "0.2"
+      exif = "0.3"
 
    Add the following to your crate root.