diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index a2bea17..3b957f3 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -6,7 +6,7 @@ if (NOT TARGET imgui)
 	message("II using FetchContent imgui")
 	FetchContent_Declare(imgui
 		GIT_REPOSITORY https://github.com/ocornut/imgui.git
-		GIT_TAG 00ad3c6 # v1.90.7
+		GIT_TAG 8199457 # v1.91.0
 		EXCLUDE_FROM_ALL
 	)