diff --git a/var/spack/repos/builtin/packages/r-knitr/package.py b/var/spack/repos/builtin/packages/r-knitr/package.py
index 4c165ec512..ff3fe39149 100644
--- a/var/spack/repos/builtin/packages/r-knitr/package.py
+++ b/var/spack/repos/builtin/packages/r-knitr/package.py
@@ -8,13 +8,16 @@
 
 
 class RKnitr(RPackage):
-    """Provides a general-purpose tool for dynamic report generation in R using
+    """A General-Purpose Package for Dynamic Report Generation in R
+
+    Provides a general-purpose tool for dynamic report generation in R using
     Literate Programming techniques."""
 
     homepage = "https://cloud.r-project.org/package=knitr"
     url      = "https://cloud.r-project.org/src/contrib/knitr_1.14.tar.gz"
     list_url = "https://cloud.r-project.org/src/contrib/Archive/knitr"
 
+    version('1.30', sha256='3aabb13566a234131ba18b78d690104f9468a982dc711f81344a985318c7c93e')
     version('1.28', sha256='05ee01da31d715bf24793efb3e4ef3bb3101ef1e1ab2d760c645fc5b9d40232a')
     version('1.24', sha256='e80c2043b445a7e576b62ae8510cce89322660fe388881d799a706d35cd27b89')
     version('1.23', sha256='063bfb3300fc9f3e7d223c346e19b93beced0e6784470b9bef2524868a206a99')
@@ -26,10 +29,11 @@ class RKnitr(RPackage):
     depends_on('r@3.1.0:', when='@1.15:1.22', type=('build', 'run'))
     depends_on('r@3.2.3:', when='@1.23:', type=('build', 'run'))
     depends_on('r-evaluate@0.10:', type=('build', 'run'))
-    depends_on('r-digest@:1.17', when='@:1.24', type=('build', 'run'))
-    depends_on('r-formatr@:1.14', when='@:1.24', type=('build', 'run'))
     depends_on('r-highr', type=('build', 'run'))
-    depends_on('r-stringr@0.6:', type=('build', 'run'))
     depends_on('r-markdown', type=('build', 'run'))
+    depends_on('r-stringr@0.6:', type=('build', 'run'))
     depends_on('r-yaml@2.1.19:', type=('build', 'run'))
     depends_on('r-xfun', when='@1.23:', type=('build', 'run'))
+    depends_on('r-xfun@0.15:', when='@1.30:', type=('build', 'run'))
+    depends_on('r-digest', when='@:1.17', type=('build', 'run'))
+    depends_on('r-formatr', when='@:1.14', type=('build', 'run'))