diff --git a/Cargo.lock b/Cargo.lock
index b13ff13..8063c98 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -844,7 +844,7 @@ dependencies = [
 
 [[package]]
 name = "mdbook-toc"
-version = "0.8.0"
+version = "0.9.0"
 dependencies = [
  "clap",
  "env_logger 0.9.0",
diff --git a/Cargo.toml b/Cargo.toml
index 9c88ec4..e86fbee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mdbook-toc"
-version = "0.8.0"
+version = "0.9.0"
 authors = ["Jan-Erik Rediger <janerik@fnordig.de>"]
 description = "mdbook preprocessor to add Table of Contents"
 license = "MPL-2.0"