diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73ea275..2c943a9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.25)
 
-set(BLT_GRAPHICS_VERSION 0.13.19)
+set(BLT_GRAPHICS_VERSION 0.13.20)
 set(BLT_GRAPHICS_TEST_VERSION 0.0.1)
 
 project(BLT_WITH_GRAPHICS VERSION ${BLT_GRAPHICS_VERSION})
@@ -28,7 +28,9 @@ else ()
     add_subdirectory(libraries/openal-soft)
 endif ()
 
+if (NOT TARGET BLT)
 add_subdirectory(libraries/BLT)
+endif ()
 add_subdirectory(libraries/freetype-2.13.2)
 
 list(APPEND IMGUI_SOURCE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/libraries/imgui/imgui.cpp")
diff --git a/libraries/BLT b/libraries/BLT
index a8b2bc2..60f7796 160000
--- a/libraries/BLT
+++ b/libraries/BLT
@@ -1 +1 @@
-Subproject commit a8b2bc2d010480544c3162daa7384a252946bda1
+Subproject commit 60f77961fbbd4a1a06adbef984d838c5b49b3718
diff --git a/libraries/imgui b/libraries/imgui
index a1b0682..46691d1 160000
--- a/libraries/imgui
+++ b/libraries/imgui
@@ -1 +1 @@
-Subproject commit a1b06823fe2d964a62fda99385499b218cf5cea5
+Subproject commit 46691d172ec65915b6a1e14dd9ae2c0a49dd15c4
diff --git a/libraries/openal-soft b/libraries/openal-soft
index 6675317..0ee47a1 160000
--- a/libraries/openal-soft
+++ b/libraries/openal-soft
@@ -1 +1 @@
-Subproject commit 6675317107257c2cc16c947b359d557821d85bf2
+Subproject commit 0ee47a1ef91e6e887fa2e7eeeb10efcff9bbdb34