diff --git a/Cargo.toml b/Cargo.toml
index 1dbbb09..a73c667 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "exif"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["KAMADA Ken'ichi <kamada@nanohz.org>"]
 
 description = "Exif parsing library written in pure Rust"