diff --git a/bollux b/bollux
index 68eade9..0bb7391 100755
--- a/bollux
+++ b/bollux
@@ -304,9 +304,15 @@ request_url() {
 	local port="$2"
 	local url="$3"
 
-	ssl_cmd=(openssl s_client -crlf -quiet -connect "$server:$port")
-	ssl_cmd+=(-servername "$server") # SNI
-	run "${ssl_cmd[@]}" <<<"$url" 2>/dev/null
+	# support for TLS v1.3 and v1.2
+	ssl_cmd_tls1_2=(openssl s_client -tls1_2 -crlf -quiet -connect "$server:$port")
+	ssl_cmd_tls1_3=(openssl s_client -tls1_3 -crlf -quiet -connect "$server:$port")
+	
+	ssl_cmd_tls1_2+=(-servername "$server") # SNI
+	ssl_cmd_tls1_3+=(-servername "$server") # SNI
+
+	# always try to connect with TLS v1.3 first
+	run "${ssl_cmd_tls1_3[@]}" <<<"$url" 2>/dev/null || run "${ssl_cmd_tls1_2[@]}" <<< "$url" 2>/dev/null
 }
 
 handle_response() {