diff --git a/k3d.spec b/k3d.spec
index 9cf8dd8..ee9824a 100644
--- a/k3d.spec
+++ b/k3d.spec
@@ -24,7 +24,7 @@ docker.
 %setup -q
 
 %build
-export GOPROXY=direct
+export GOPROXY=https://proxy.golang.org/cached-only
 %make build GIT_TAG=%{version}
 
 upx bin/%{name}