diff --git a/lang/python/python-rsa/Makefile b/lang/python/python-rsa/Makefile
index bea2f4157..ca41ef1f8 100644
--- a/lang/python/python-rsa/Makefile
+++ b/lang/python/python-rsa/Makefile
@@ -1,11 +1,18 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=rsa
+
+ifeq ($(BUILD_VARIANT),python3)
 PKG_VERSION:=4.6
+PKG_HASH:=109ea5a66744dd859bf16fe904b8d8b627adafb9408753161e766a92e7d681fa
+else
+PKG_VERSION:=4.5
+PKG_HASH:=4d409f5a7d78530a4a2062574c7bd80311bc3af29b364e293aa9b03eea77714f
+endif
+
 PKG_RELEASE:=1
 
 PYPI_NAME:=$(PKG_NAME)
-PKG_HASH:=109ea5a66744dd859bf16fe904b8d8b627adafb9408753161e766a92e7d681fa
 
 PKG_MAINTAINER:=Daniel Danzberger <daniel@dd-wrt.com>
 PKG_LICENSE:=MIT