diff --git a/imgui.cpp b/imgui.cpp
index ca53c4a7..a4f0e423 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// ImGui library v1.38
+// ImGui library v1.39 WIP
 // See ImGui::ShowTestWindow() for sample code.
 // Read 'Programmer guide' below for notes on how to setup ImGui in your codebase.
 // Get latest version at https://github.com/ocornut/imgui
diff --git a/imgui.h b/imgui.h
index 4b241676..da80152b 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1,4 +1,4 @@
-// ImGui library v1.38
+// ImGui library v1.39 WIP
 // See .cpp file for documentation.
 // See ImGui::ShowTestWindow() for sample code.
 // Read 'Programmer guide' in .cpp for notes on how to setup ImGui in your codebase.
@@ -13,7 +13,7 @@
 #include <stdlib.h>         // NULL, malloc, free, qsort, atoi
 #include <string.h>         // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
 
-#define IMGUI_VERSION       "1.38"
+#define IMGUI_VERSION       "1.39 WIP"
 
 // Define assertion handler.
 #ifndef IM_ASSERT