diff --git a/build.py b/build.py
index 5fae11d..db388b2 100644
--- a/build.py
+++ b/build.py
@@ -115,7 +115,7 @@ SRCDIST_MANIFEST = [
     "swig/typeinf.i",
     "swig/ua.i",
     "swig/xref.i",
-    "patches/ida51.patch",
+    "patches/ida53.patch",
     "tools/gendocs.py",
 ]