diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1aede44a..cc396fbd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-**Version 0.15.1 (unreleased)**
+**Version 0.15.1**
  - Ignore color reductions that would increase file size ([#61](https://github.com/shssoichiro/oxipng/issues/61))
 
 **Version 0.15.0**
diff --git a/Cargo.lock b/Cargo.lock
index 283c7661..dae909cf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 [root]
 name = "oxipng"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "bit-vec 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 64cceda3..12989e14 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ homepage = "https://github.com/shssoichiro/oxipng"
 license = "MIT"
 name = "oxipng"
 repository = "https://github.com/shssoichiro/oxipng"
-version = "0.15.0"
+version = "0.15.1"
 
 [lib]
 name = "oxipng"