diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 00000000..2fa367f2
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,2 @@
+# disable TLS v1.3 protocol because of coveralls upload, see https://github.com/kt3k/coveralls-gradle-plugin/issues/85
+systemProp.jdk.tls.client.protocols="TLSv1,TLSv1.1,TLSv1.2"