diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index 7d5076da87..f6ffcb3319 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -14,6 +14,12 @@ set(BUILD_SHARED_LIBS OFF)
 # Skip install rules for all externals
 set_directory_properties(PROPERTIES EXCLUDE_FROM_ALL ON)
 
+# SPIRV Headers
+find_package(SPIRV-Headers)
+if (NOT TARGET SPIRV-Headers::SPIRV-Headers)
+    add_subdirectory(SPIRV-Headers)
+endif()
+
 # Xbyak (also used by Dynarmic, so needs to be added first)
 if ((ARCHITECTURE_x86 OR ARCHITECTURE_x86_64) AND NOT TARGET xbyak::xbyak)
     add_subdirectory(xbyak)
diff --git a/externals/sirit b/externals/sirit
index ab75463999..f58c58df50 160000
--- a/externals/sirit
+++ b/externals/sirit
@@ -1 +1 @@
-Subproject commit ab75463999f4f3291976b079d42d52ee91eebf3f
+Subproject commit f58c58df50e20b39f090f4d7f1791161d70416ad