diff --git a/python3.spec b/python3.spec
index 6da98d2c977d515d8165d7073733cbf1c33823e7..51c143a98da144ff991c1f03ce8ed6f3a2976e12 100644
--- a/python3.spec
+++ b/python3.spec
@@ -279,6 +279,7 @@ pushd ${DebugBuildDir}
 %endif
   --without-ensurepip \
   --with-pydebug
+  --with-lto
 
 %make_build EXTRA_CFLAGS="$CFLAGS -Og"