diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index ce88a4de66..38975e5141 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -19313,14 +19313,14 @@ (define-public r-text2vec
 (define-public r-mcmcpack
   (package
     (name "r-mcmcpack")
-    (version "1.6-1")
+    (version "1.6-2")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "MCMCpack" version))
        (sha256
         (base32
-         "1skanp6czfk83s13dnjrb699m9z6a0r59q0f79fv0k560jc8vbrj"))))
+         "18nyncvgb75q8flndni99ldr7ynqhillphkj7ydsmfv5w8b0zvqp"))))
     (properties `((upstream-name . "MCMCpack")))
     (build-system r-build-system)
     (propagated-inputs