diff --git a/setup-r/lib/installer.js b/setup-r/lib/installer.js
index ac1231891..6f8ed88a5 100644
--- a/setup-r/lib/installer.js
+++ b/setup-r/lib/installer.js
@@ -327,7 +327,7 @@ function getFileNameMacOS(version) {
 }
 function getDownloadUrlMacOS(version) {
     if (version == "devel") {
-        return "http://mac.r-project.org/el-capitan/R-devel/R-devel-el-capitan-signed.pkg";
+        return "https://mac.r-project.org/high-sierra/R-devel/R-devel.pkg";
     }
     const filename = getFileNameMacOS(version);
     if (semver.eq(version, "3.2.5")) {