diff --git a/inttest/proto_gpb/retest.config b/inttest/proto_gpb/retest.config
new file mode 100644
index 0000000..01d5f9e
--- /dev/null
+++ b/inttest/proto_gpb/retest.config
@@ -0,0 +1,5 @@
+%% On my slow old netbook with a 1.6GHz CPU, this inttest
+%% takes about 40 seconds to run, of which network activity
+%% is about 3s. Double that to make avoid unnecessary timeouts
+%% on e.g. loaded shared hosts, or with slow network connections.
+{timeout, 90000}.