diff --git a/include/Makefile.in b/include/Makefile.in
index 571f91d6ced..f3e62c4bb5a 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -789,6 +789,7 @@ SOURCES = \
 	windows.foundation.collections.idl \
 	windows.foundation.idl \
 	windows.foundation.metadata.idl \
+	windows.foundation.numerics.idl \
 	windows.gaming.input.custom.idl \
 	windows.gaming.input.forcefeedback.idl \
 	windows.gaming.input.idl \
diff --git a/include/windows.foundation.numerics.idl b/include/windows.foundation.numerics.idl
new file mode 100644
index 00000000000..eca99ca29bc
--- /dev/null
+++ b/include/windows.foundation.numerics.idl
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2022 Rémi Bernon for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifdef __WIDL__
+#pragma winrt ns_prefix
+#endif
+
+import "inspectable.idl";
+import "asyncinfo.idl";
+import "eventtoken.idl";
+import "windowscontracts.idl";
+import "windows.foundation.idl";
+
+namespace Windows.Foundation.Numerics {
+    typedef struct Vector3 Vector3;
+
+    [contract(Windows.Foundation.UniversalApiContract, 1.0)]
+    struct Vector3
+    {
+        FLOAT X;
+        FLOAT Y;
+        FLOAT Z;
+    };
+}