diff --git a/docs/examples/R/connect_native.r b/docs/examples/R/connect_native.r
index bd764c3ec4..60d245781e 100644
--- a/docs/examples/R/connect_native.r
+++ b/docs/examples/R/connect_native.r
@@ -1,5 +1,5 @@
 if (! "RJDBC" %in% installed.packages()[, "Package"]) {
-  install.packages('RJDBC', repos='http://cran.us.r-project.org')
+  install.packages('RJDBC', repos='http://mirrors.tuna.tsinghua.edu.cn/CRAN')
 }
 
 # ANCHOR: demo