diff --git a/rust.spec b/rust.spec
index c3bb4b9..62bf216 100644
--- a/rust.spec
+++ b/rust.spec
@@ -72,6 +72,9 @@ BuildRequires:  rustc-bootstrap == %{prev_version}
 %else
     %ifarch %{arm} aarch64 ppc64 ppc64le
 BuildRequires:  cargo-bootstrap
+BuildRequires:  rustc-bootstrap == %{prev_version}
+    %elif 0%{?leap_version} == 420200
+BuildRequires:  cargo-bootstrap
 BuildRequires:  rustc-bootstrap == %{prev_version}
     %else
 BuildRequires:  cargo