diff --git a/tools/checkout-deps.sh b/tools/checkout-deps.sh
index b992790f..4addb109 100755
--- a/tools/checkout-deps.sh
+++ b/tools/checkout-deps.sh
@@ -26,15 +26,15 @@ fi
 
 if [ $ismac -eq 1 ]; then
   mysqlver=mysql-5.5.28-osx10.5-x86
-  mysqlurl=http://cdn.mysql.com/archives/mysql-5.5/$mysqlver.$archive_ext
+  mysqlurl=https://cdn.mysql.com/archives/mysql-5.5/$mysqlver.$archive_ext
 elif [ $iswin -eq 1 ]; then
   mysqlver=mysql-noinstall-5.0.24a-win32
-  mysqlurl=http://cdn.mysql.com/archives/mysql-5.0/$mysqlver.$archive_ext
+  mysqlurl=https://cdn.mysql.com/archives/mysql-5.0/$mysqlver.$archive_ext
   # The folder in the zip archive does not contain the substring "-noinstall", so strip it
   mysqlver=${mysqlver/-noinstall}
 else
   mysqlver=mysql-5.6.15-linux-glibc2.5-i686
-  mysqlurl=http://cdn.mysql.com/archives/mysql-5.6/$mysqlver.$archive_ext
+  mysqlurl=https://cdn.mysql.com/archives/mysql-5.6/$mysqlver.$archive_ext
 fi
 
 if [ ! -d "mysql-5.0" ]; then