diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
index 8c83dadf..877cd858 100644
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@@ -35,6 +35,15 @@ HOW TO UPDATE?
   and API updates have been a little more frequent lately. They are documented below and in imgui.cpp and should not affect all users.
 - Please report any issue!
 
+-----------------------------------------------------------------------
+ VERSION 1.91.1 WIP (In Progress)
+-----------------------------------------------------------------------
+
+Breaking changes:
+
+Other changes:
+
+
 -----------------------------------------------------------------------
  VERSION 1.91.0 (Released 2024-07-30)
 -----------------------------------------------------------------------
diff --git a/imgui.cpp b/imgui.cpp
index 2c861126..94c59e7e 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.91.0
+// dear imgui, v1.91.1 WIP
 // (main code and documentation)
 
 // Help:
diff --git a/imgui.h b/imgui.h
index 05e48a17..5b22dfe7 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.91.0
+// dear imgui, v1.91.1 WIP
 // (headers)
 
 // Help:
@@ -27,8 +27,8 @@
 
 // Library Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
-#define IMGUI_VERSION       "1.91.0"
-#define IMGUI_VERSION_NUM   19100
+#define IMGUI_VERSION       "1.91.1 WIP"
+#define IMGUI_VERSION_NUM   19101
 #define IMGUI_HAS_TABLE
 
 /*
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 4d6c2bbf..2800e951 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.91.0
+// dear imgui, v1.91.1 WIP
 // (demo code)
 
 // Help:
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 57486a6e..854ad401 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.91.0
+// dear imgui, v1.91.1 WIP
 // (drawing and font code)
 
 /*
diff --git a/imgui_internal.h b/imgui_internal.h
index ab43922b..0e39b087 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.91.0
+// dear imgui, v1.91.1 WIP
 // (internal structures/api)
 
 // You may use this file to debug, understand or extend Dear ImGui features but we don't provide any guarantee of forward compatibility.
diff --git a/imgui_tables.cpp b/imgui_tables.cpp
index 37dd7030..92c62949 100644
--- a/imgui_tables.cpp
+++ b/imgui_tables.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.91.0
+// dear imgui, v1.91.1 WIP
 // (tables and columns code)
 
 /*
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 2aa24efe..5ca9a9d3 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.91.0
+// dear imgui, v1.91.1 WIP
 // (widgets code)
 
 /*