diff --git a/var/spack/repos/builtin/packages/r-bayesplot/package.py b/var/spack/repos/builtin/packages/r-bayesplot/package.py
index 1bc82a2a83..dc7e3e43cb 100644
--- a/var/spack/repos/builtin/packages/r-bayesplot/package.py
+++ b/var/spack/repos/builtin/packages/r-bayesplot/package.py
@@ -21,6 +21,7 @@ class RBayesplot(RPackage):
     homepage = "https://mc-stan.org/bayesplot/"
     cran     = "bayesplot"
 
+    version('1.8.1', sha256='d8d74201ea91fa5438714686ca22a947ec9375b6c12b0cfef010c57104b1aa2a')
     version('1.8.0', sha256='a605f9929e681593a3ef3ca9c836e713314994aaea00f359f71cfc42d151c948')
 
     depends_on('r@3.1.0:', type=('build', 'run'))