diff --git a/R-date.spec b/R-date.spec
index d3662a5..a5aeb42 100644
--- a/R-date.spec
+++ b/R-date.spec
@@ -9,7 +9,7 @@ Summary:          Functions for Handling Dates
 
 License:          GPLv2
 URL:              https://CRAN.R-project.org/package=%{packname}
-Source0:          https://cran.r-project.org/src/contrib/%{packname}_1.2-38.tar.gz
+Source0:          https://cran.r-project.org/src/contrib/%{packname}_%{packver}.tar.gz
 
 # Here's the R view of the dependencies world:
 # Depends: