diff --git a/package.json b/package.json
index 0640fb2e..ce18b9d1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cal-heatmap",
-  "version": "4.3.0-beta-0",
+  "version": "4.3.0-beta-1",
   "description": "Cal-Heatmap is a javascript module to create calendar heatmap to visualize time series data",
   "keywords": [
     "calendar",
diff --git a/src/version.ts b/src/version.ts
index 33e004e6..b132e123 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1,2 +1,2 @@
-const VERSION = '4.3.0-beta-0';
+const VERSION = '4.3.0-beta-1';
 export default VERSION;