diff --git a/.gitmodules b/.gitmodules
index 599dd93..8bfc237 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -46,3 +46,6 @@
 [submodule "src/contrib/nativefiledialog-extended"]
 	path = src/contrib/nativefiledialog-extended
 	url = https://github.com/btzy/nativefiledialog-extended
+[submodule "src/contrib/ddspp"]
+	path = src/contrib/ddspp
+	url = https://github.com/redorav/ddspp.git
diff --git a/src/contrib/Vulkan-Headers b/src/contrib/Vulkan-Headers
index 31aa7f6..fc6c06a 160000
--- a/src/contrib/Vulkan-Headers
+++ b/src/contrib/Vulkan-Headers
@@ -1 +1 @@
-Subproject commit 31aa7f634b052d87ede4664053e85f3f4d1d50d3
+Subproject commit fc6c06ac529e4b4b6e34c17cc650a8f62dee2eb0
diff --git a/src/contrib/VulkanMemoryAllocator b/src/contrib/VulkanMemoryAllocator
index f1ab507..98c4f34 160000
--- a/src/contrib/VulkanMemoryAllocator
+++ b/src/contrib/VulkanMemoryAllocator
@@ -1 +1 @@
-Subproject commit f1ab507d0066caccc435d1332c8afe732f416fd5
+Subproject commit 98c4f3414b015432c6b040bdb53b5ba0c5d6c680
diff --git a/src/contrib/ddspp b/src/contrib/ddspp
new file mode 160000
index 0000000..4629460
--- /dev/null
+++ b/src/contrib/ddspp
@@ -0,0 +1 @@
+Subproject commit 4629460867c1d6a6e4326b5bec3e96835a18ab33
diff --git a/src/contrib/volk b/src/contrib/volk
index 5982311..4660854 160000
--- a/src/contrib/volk
+++ b/src/contrib/volk
@@ -1 +1 @@
-Subproject commit 5982311be42f8277cad11ae4637c80ab69c79ce5
+Subproject commit 466085407d5d2f50583fd663c1d65f93a7709d3e