diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed526397..d99e822f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.9.1
+
+* Incorporate Mapnik's Clipper upgrades for consistent results between Mac and Linux
+
 ## 1.9.0
 
 * Claim vector tile version 2 in mbtiles
diff --git a/version.h b/version.h
index 28026c38..691564b2 100644
--- a/version.h
+++ b/version.h
@@ -1 +1 @@
-#define VERSION "tippecanoe v1.9.0\n"
+#define VERSION "tippecanoe v1.9.1\n"