diff --git a/var/spack/repos/builtin/packages/r-e1071/package.py b/var/spack/repos/builtin/packages/r-e1071/package.py
index 4c3d41e58b..fd2d77dd9e 100644
--- a/var/spack/repos/builtin/packages/r-e1071/package.py
+++ b/var/spack/repos/builtin/packages/r-e1071/package.py
@@ -7,7 +7,10 @@
 
 
 class RE1071(RPackage):
-    """Functions for latent class analysis, short time Fourier transform, fuzzy
+    """Misc Functions of the Department of Statistics, Probability Theory Group
+    (Formerly: E1071), TU Wien
+
+    Functions for latent class analysis, short time Fourier transform, fuzzy
     clustering, support vector machines, shortest path computation, bagged
     clustering, naive Bayes classifier, ..."""
 
@@ -15,6 +18,7 @@ class RE1071(RPackage):
     url      = "https://cloud.r-project.org/src/contrib/e1071_1.6-7.tar.gz"
     list_url = "https://cloud.r-project.org/src/contrib/Archive/e1071"
 
+    version('1.7-4', sha256='e6ab871b06f500dc65f8f781cc7253f43179698784c06dab040b4aa6592f2309')
     version('1.7-2', sha256='721c299ce83047312acfa3e0c4b3d4c223d84a4c53400c73465cca2c92913752')
     version('1.7-1', sha256='5c5f04a51c1cd2c7dbdf69987adef9bc07116804c63992cd36d804a1daf89dfe')
     version('1.6-7', sha256='7048fbc0ac17d7e3420fe68081d0e0a2176b1154ee3191d53558ea9724c7c980')