diff --git a/var/spack/repos/builtin/packages/r-afex/package.py b/var/spack/repos/builtin/packages/r-afex/package.py
index dac1a2dc61..07e85fdee7 100644
--- a/var/spack/repos/builtin/packages/r-afex/package.py
+++ b/var/spack/repos/builtin/packages/r-afex/package.py
@@ -27,6 +27,7 @@ class RAfex(RPackage):
     homepage = "https://github.com/singmann/afex"
     cran     = "afex"
 
+    version('1.0-1', sha256='6febc34b87a1109f5cbcd213c08d2b7b3e9cf99065fa41c19bc88ac99fb104cc')
     version('0.28-1', sha256='cfb0b79bfa01b590afc3354a5b2ad3640d2f4974b036d6c256fa8e684bc69c2e')
 
     depends_on('r@3.5.0:', type=('build', 'run'))