diff --git a/include/Makefile.in b/include/Makefile.in
index 07917b4923d..2284a902b5f 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -182,6 +182,7 @@ SOURCES = \
 	dciddi.h \
 	dciman.h \
 	dcommon.idl \
+	dcompanimation.idl \
 	dcomptypes.idl \
 	dde.h \
 	dde.rh \
diff --git a/include/dcompanimation.idl b/include/dcompanimation.idl
new file mode 100644
index 00000000000..dac6a2615ed
--- /dev/null
+++ b/include/dcompanimation.idl
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2023 Zhiyi Zhang 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
+ */
+
+import "wtypes.idl";
+import "unknwn.idl";
+
+[
+    local,
+    object,
+    uuid(cbfd91d9-51b2-45e4-b3de-d19ccfb863c5),
+    pointer_default(unique)
+]
+interface IDCompositionAnimation : IUnknown
+{
+    HRESULT Reset();
+    HRESULT SetAbsoluteBeginTime([in] LARGE_INTEGER time);
+    HRESULT AddCubic([in] double offset, [in] float constant_coefficient, [in] float linear_coefficient, [in] float quadratic_coefficient, [in] float cubic_coefficient);
+    HRESULT AddSinusoidal([in] double offset, [in] float bias, [in] float amplitude, [in] float frequency, [in] float phase);
+    HRESULT AddRepeat([in] double offset, [in] double duration);
+    HRESULT End([in] double offset, [in] float value);
+};