diff --git a/dev/appveyor-install-dependencies.ps1 b/dev/appveyor-install-dependencies.ps1
index 087b8666cc68..d187d8f98e8f 100644
--- a/dev/appveyor-install-dependencies.ps1
+++ b/dev/appveyor-install-dependencies.ps1
@@ -113,7 +113,7 @@ $env:HADOOP_HOME = "$hadoopPath/winutils-master/hadoop-$hadoopVer"
 Pop-Location
 
 # ========================== R
-$rVer = "3.3.1"
+$rVer = "3.3.0"
 $rToolsVer = "3.4.0"
 
 InstallR