diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff0ecd3..86d8a68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 opustags changelog
 ==================
 
+1.9.0 - 2023-06-07
+------------------
+
+- Introduce --vendor and --set-vendor.
+- Close the input file before finalizing the output, in order to fix --in-place on SMB drives.
+
 1.8.0 - 2023-03-07
 ------------------
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c4eb367..be4de3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.11)
 
 project(
 	opustags
-	VERSION 1.8.0
+	VERSION 1.9.0
 	LANGUAGES CXX
 )