diff --git a/aardvark-dns.spec b/aardvark-dns.spec
index 8137153..e53cb67 100644
--- a/aardvark-dns.spec
+++ b/aardvark-dns.spec
@@ -5,7 +5,7 @@
 
 Name:		aardvark-dns
 Version:	1.13.1
-Release:	1
+Release:	2
 License:	ASL 2.0
 Summary:	Authoritative dns server for A/AAAA container records
 URL:		https://github.com/containers/%{name}
@@ -36,7 +36,7 @@ launch it automatically if both are installed.
 %setup -q
 
 %if %{mdvver} <= 201610
-curl --proto '=https' --tlsv1.3 -sSf https://sh.rustup.rs |\
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs |\
         sh -s -- -y --profile default --default-toolchain %{rustver}
 %endif