diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
index 52fbafb..43ec423 100644
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@@ -30,6 +30,12 @@
 
 
 -----------------------------------------------------------------------
+ VERSION 1.73 WIP (In Progress)
+-----------------------------------------------------------------------
+
+Other Changes:
+
+-----------------------------------------------------------------------
  VERSION 1.72b (Released 2019-07-31)
 -----------------------------------------------------------------------
 
diff --git a/examples/README.txt b/examples/README.txt
index d7245f1..7e46c84 100644
--- a/examples/README.txt
+++ b/examples/README.txt
@@ -1,5 +1,5 @@
 -----------------------------------------------------------------------
- dear imgui, v1.72b
+ dear imgui, v1.73 WIP
 -----------------------------------------------------------------------
  examples/README.txt
  (This is the README file for the examples/ folder. See docs/ for more documentation)
diff --git a/imgui.cpp b/imgui.cpp
index 4f55e4a..fc1a46b 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.72b
+// dear imgui, v1.73 WIP
 // (main code and documentation)
 
 // Call and read ImGui::ShowDemoWindow() in imgui_demo.cpp for demo code.
diff --git a/imgui.h b/imgui.h
index b7d2594..f581051 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.72b
+// dear imgui, v1.73 WIP
 // (headers)
 
 // See imgui.cpp file for documentation.
@@ -46,8 +46,8 @@
 
 // Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
-#define IMGUI_VERSION               "1.72b"
-#define IMGUI_VERSION_NUM           17202
+#define IMGUI_VERSION               "1.73 WIP"
+#define IMGUI_VERSION_NUM           17203
 #define IMGUI_CHECKVERSION()        ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
 
 // Define attributes of all API symbols declarations (e.g. for DLL under Windows)
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 89e0f30..5a4259f 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.72b
+// dear imgui, v1.73 WIP
 // (demo code)
 
 // Message to the person tempted to delete this file when integrating Dear ImGui into their code base:
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 45f997b..3e5ca06 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.72b
+// dear imgui, v1.73 WIP
 // (drawing and font code)
 
 /*
diff --git a/imgui_internal.h b/imgui_internal.h
index 4a038d1..cac70f0 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.72b
+// dear imgui, v1.73 WIP
 // (internal structures/api)
 
 // You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility!
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index ba58bce..84f2ea4 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.72b
+// dear imgui, v1.73 WIP
 // (widgets code)
 
 /*
diff --git a/misc/fonts/README.txt b/misc/fonts/README.txt
index 92be323..b8790af 100644
--- a/misc/fonts/README.txt
+++ b/misc/fonts/README.txt
@@ -1,4 +1,4 @@
-dear imgui, v1.72b
+dear imgui, v1.73 WIP
 (Font Readme)
 
 ---------------------------------------