diff --git a/Cargo.toml b/Cargo.toml
index 6d53d15..bec8ed7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "libflate"
-version = "1.3.0"
+version = "1.4.0"
 authors = ["Takeru Ohta <phjgt308@gmail.com>"]
 description = "A Rust implementation of DEFLATE algorithm and related formats (ZLIB, GZIP)"
 homepage = "https://github.com/sile/libflate"