diff --git a/src/CHANGES.md b/src/CHANGES.md
index 0ddc7101..412c57d8 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -1,5 +1,9 @@
 # Development Changes
 
+## 0.8.93 - 2024-03-14
+* improved history graph in WebUI #1491
+* merge PR: 1491
+
 ## 0.8.92 - 2024-03-10
 * fix read back of limit value, now with one decimal place
 * added grid profile for Mexico #1493
diff --git a/src/defines.h b/src/defines.h
index bfe29c7a..8fcdc000 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -13,7 +13,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       8
-#define VERSION_PATCH       92
+#define VERSION_PATCH       93
 
 //-------------------------------------
 typedef struct {