diff --git a/Cargo.lock b/Cargo.lock
index f0bce47b..c2825c05 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -369,7 +369,7 @@ dependencies = [
 
 [[package]]
 name = "oxipng"
-version = "9.1.0"
+version = "9.1.1"
 dependencies = [
  "bitvec",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index d2a3cb09..2c7c7b94 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ homepage = "https://github.com/shssoichiro/oxipng"
 license = "MIT"
 name = "oxipng"
 repository = "https://github.com/shssoichiro/oxipng"
-version = "9.1.0"
+version = "9.1.1"
 rust-version = "1.74.0"
 
 [badges]