diff --git a/var/spack/repos/builtin/packages/r-chron/package.py b/var/spack/repos/builtin/packages/r-chron/package.py
index 91b780721e..33cf9edf8e 100644
--- a/var/spack/repos/builtin/packages/r-chron/package.py
+++ b/var/spack/repos/builtin/packages/r-chron/package.py
@@ -7,12 +7,16 @@
 
 
 class RChron(RPackage):
-    """Chronological objects which can handle dates and times."""
+    """Chronological objects which can handle dates and times.
+
+    Provides chronological objects which can handle dates and times.
+    """
 
     homepage = "https://cloud.r-project.org/package=chron"
     url      = "https://cloud.r-project.org/src/contrib/chron_2.3-47.tar.gz"
     list_url = "https://cloud.r-project.org/src/contrib/Archive/chron"
 
+    version('2.3-56', sha256='863ecbb951a3da994761ea9062fa96d34e94e19fbc4122521ac179274dfa3f5d')
     version('2.3-53', sha256='521814b46ba958eae28e29d8766aebd285da5e6fa16c5806603df3ae39f77309')
     version('2.3-52', sha256='c47fcf4abb635babe6337604c876d4853d8a24639a98b71523746c56ce75b4a0')
     version('2.3-47', sha256='9a8c771021165de517e54c3369c622aaac1bf3e220a2fbf595aba285e60445f6')