diff --git a/var/spack/repos/builtin/packages/r-isdparser/package.py b/var/spack/repos/builtin/packages/r-isdparser/package.py
index 5c53cd6cd6..5c22277f38 100644
--- a/var/spack/repos/builtin/packages/r-isdparser/package.py
+++ b/var/spack/repos/builtin/packages/r-isdparser/package.py
@@ -7,13 +7,23 @@
 
 
 class RIsdparser(RPackage):
-    """isdparser: Parse 'NOAA' Integrated Surface Data Files"""
+    """Parse 'NOAA' Integrated Surface Data Files
+
+    Tools for parsing 'NOAA' Integrated Surface Data ('ISD') files, described
+    at <https://www.ncdc.noaa.gov/isd>. Data includes for example, wind speed
+    and direction, temperature, cloud data, sea level pressure, and more.
+    Includes data from approximately 35,000 stations worldwide, though best
+    coverage is in North America/Europe/Australia. Data is stored as variable
+    length ASCII character strings, with most fields optional. Included are
+    tools for parsing entire files, or individual lines of data."""
 
     homepage = "https://github.com/ropensci/isdparser"
     url      = "https://cloud.r-project.org/src/contrib/isdparser_0.3.0.tar.gz"
     list_url = "https://cloud.r-project.org/src/contrib/Archive/isdparser"
 
+    version('0.4.0', sha256='6f609e8f5ae4ce2e7904401f289d60d219b8f3a2bec9f661d10afa18ab73b317')
     version('0.3.0', sha256='6c9e1d7f3661802838010d659d7c77b964423dcc9a6623402df1fe3be627b7b9')
 
-    depends_on('r-data-table@1.10.0:', type=('build', 'run'))
     depends_on('r-tibble@1.2:', type=('build', 'run'))
+    depends_on('r-data-table@1.10.0:', type=('build', 'run'))
+    depends_on('r-lubridate', when='@0.4.0:', type=('build', 'run'))