diff --git a/prow/config.yaml b/prow/config.yaml
index 2c4c308d3cfc..a5fe738bb6f3 100644
--- a/prow/config.yaml
+++ b/prow/config.yaml
@@ -635,3 +635,7 @@ presets:
       hostPath:
         path: /sys/fs/cgroup
         type: Directory
+# enable GOPROXY by default
+- env:
+  - name: GOPROXY
+    value: "https://proxy.golang.org"