diff --git a/vapoursynth.spec b/vapoursynth.spec
index 56324e6..8d75492 100644
--- a/vapoursynth.spec
+++ b/vapoursynth.spec
@@ -23,6 +23,7 @@ BuildRequires:  nasm
 BuildRequires:  pkgconfig(python3)
 BuildRequires:  pkgconfig(tesseract)
 BuildRequires:  pkgconfig(zimg)
+BuildRequires:  python3
 BuildRequires:  python3-Cython
 BuildRequires:  python3-setuptools