diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 707f2983fe..cabcae43bf 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -13032,14 +13032,14 @@ (define-public r-reinforcelearn
 (define-public r-lemon
   (package
     (name "r-lemon")
-    (version "0.4.4")
+    (version "0.4.5")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "lemon" version))
        (sha256
         (base32
-         "0m9hqwi709j9iwsxn8jh63741jiyr7ppwgqaw2zkv285p3m5wvd5"))))
+         "1y3ljidhqdakxlya2npj2w0az820g8kw6gl1cfm4f0cxvzgd1ly4"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-ggplot2" ,r-ggplot2)
@@ -13050,6 +13050,8 @@ (define-public r-lemon
        ("r-plyr" ,r-plyr)
        ("r-rlang" ,r-rlang)
        ("r-scales" ,r-scales)))
+    (native-inputs
+     `(("r-knitr" ,r-knitr)))
     (home-page "https://github.com/stefanedwards/lemon")
     (synopsis "Freshen up your ggplot2 plots")
     (description