diff --git a/reg-tests/cache/basic.vtc b/reg-tests/cache/basic.vtc
index 30f4631..d6a8c00 100644
--- a/reg-tests/cache/basic.vtc
+++ b/reg-tests/cache/basic.vtc
@@ -27,9 +27,9 @@
 haproxy h1 -conf {
     defaults
         mode http
-        timeout connect 1s
-        timeout client  1s
-        timeout server  1s
+        timeout connect "${HAPROXY_TEST_TIMEOUT-5s}"
+        timeout client  "${HAPROXY_TEST_TIMEOUT-5s}"
+        timeout server  "${HAPROXY_TEST_TIMEOUT-5s}"
 
     frontend fe
         bind "fd@${fe}"