diff --git a/var/spack/repos/builtin/packages/r-rmpfr/package.py b/var/spack/repos/builtin/packages/r-rmpfr/package.py
index cbf9b3d3c2d..c9a957ae0dc 100644
--- a/var/spack/repos/builtin/packages/r-rmpfr/package.py
+++ b/var/spack/repos/builtin/packages/r-rmpfr/package.py
@@ -38,5 +38,5 @@ class RRmpfr(RPackage):
 
     version('0.6-1', '55d4ec257bd2a9233bafee9e444d0265')
 
-    depends_on('r-gmp@0.5-8:')
+    depends_on('r-gmp@0.5-8:', type=('build', 'run'))
     depends_on('mpfr@3.0.0:')