diff --git a/var/spack/repos/builtin/packages/r-mmwrweek/package.py b/var/spack/repos/builtin/packages/r-mmwrweek/package.py
index 37f7f6c61a..3a632f427a 100644
--- a/var/spack/repos/builtin/packages/r-mmwrweek/package.py
+++ b/var/spack/repos/builtin/packages/r-mmwrweek/package.py
@@ -7,7 +7,9 @@
 
 
 class RMmwrweek(RPackage):
-    """The first day of any MMWR week is Sunday. MMWR week numbering is
+    """Convert Dates to MMWR Day, Week, and Year
+
+    The first day of any MMWR week is Sunday. MMWR week numbering is
     sequential beginning with 1 and incrementing with each week to a maximum
     of 52 or 53. MMWR week #1 of an MMWR year is the first week of the year
     that has at least four days in the calendar year. This package provides
@@ -18,4 +20,5 @@ class RMmwrweek(RPackage):
     url      = "https://cloud.r-project.org/src/contrib/MMWRweek_0.1.1.tar.gz"
     list_url = "https://cloud.r-project.org/src/contrib/Archive/MMWRweek"
 
+    version('0.1.3', sha256='1aa8b687dc3340c3f277689eb0ca529e0064a4a3a66868137f2f8ab209d133d0')
     version('0.1.1', sha256='969fd18535f3b78dd360d62d29d5f15409fc059f4af5d345abfde711e4adbc99')