diff --git a/mingw-w64-headers/direct-x/include/d3d8.h b/mingw-w64-headers/direct-x/include/d3d8.h
index 092907c..856c084 100644
--- a/mingw-w64-headers/direct-x/include/d3d8.h
+++ b/mingw-w64-headers/direct-x/include/d3d8.h
@@ -1015,7 +1015,7 @@
 #define IDirect3DDevice8_DrawIndexedPrimitive(p,a,b,c,d,e)         (p)->lpVtbl->DrawIndexedPrimitive(p,a,b,c,d,e)
 #define IDirect3DDevice8_DrawPrimitiveUP(p,a,b,c,d)                (p)->lpVtbl->DrawPrimitiveUP(p,a,b,c,d)
 #define IDirect3DDevice8_DrawIndexedPrimitiveUP(p,a,b,c,d,e,f,g,h) (p)->lpVtbl->DrawIndexedPrimitiveUP(p,a,b,c,d,e,f,g,h)
-#define IDirect3DDevice8_ProcessVertices(p,a,b,c,d,e)              (p)->lpVtbl->processVertices(p,a,b,c,d,e)
+#define IDirect3DDevice8_ProcessVertices(p,a,b,c,d,e)              (p)->lpVtbl->ProcessVertices(p,a,b,c,d,e)
 #define IDirect3DDevice8_CreateVertexShader(p,a,b,c,d)             (p)->lpVtbl->CreateVertexShader(p,a,b,c,d)
 #define IDirect3DDevice8_SetVertexShader(p,a)                      (p)->lpVtbl->SetVertexShader(p,a)
 #define IDirect3DDevice8_GetVertexShader(p,a)                      (p)->lpVtbl->GetVertexShader(p,a)
diff --git a/mingw-w64-headers/direct-x/include/d3dcompiler.h b/mingw-w64-headers/direct-x/include/d3dcompiler.h
index 381ad6c..dd9bf12 100644
--- a/mingw-w64-headers/direct-x/include/d3dcompiler.h
+++ b/mingw-w64-headers/direct-x/include/d3dcompiler.h
@@ -27,14 +27,14 @@
 #endif
 
 #if defined(__GNUC__)
-#define D3DCOMPILER_DLL_W (const WCHAR[]){'d','3','d','c','o','m','p','i','l','e','r','_','4','3','.','d','l','l',0}
+#define D3DCOMPILER_DLL_W (const WCHAR[]){'d','3','d','c','o','m','p','i','l','e','r','_','4','7','.','d','l','l',0}
 #elif defined(_MSC_VER)
-#define D3DCOMPILER_DLL_W L"d3dcompiler_43.dll"
+#define D3DCOMPILER_DLL_W L"d3dcompiler_47.dll"
 #else
-static const WCHAR D3DCOMPILER_DLL_W[] = {'d','3','d','c','o','m','p','i','l','e','r','_','4','3','.','d','l','l',0};
+static const WCHAR D3DCOMPILER_DLL_W[] = {'d','3','d','c','o','m','p','i','l','e','r','_','4','7','.','d','l','l',0};
 #endif
 
-#define D3DCOMPILER_DLL_A  "d3dcompiler_43.dll"
+#define D3DCOMPILER_DLL_A  "d3dcompiler_47.dll"
 #define D3DCOMPILER_DLL    __MINGW_NAME_AW(D3DCOMPILER_DLL_)
 
 #define D3DCOMPILE_DEBUG                            0x00000001