diff --git a/packages/py-pybdsim/package.py b/packages/py-pybdsim/package.py
index d636bdfe..71221aa3 100644
--- a/packages/py-pybdsim/package.py
+++ b/packages/py-pybdsim/package.py
@@ -18,7 +18,7 @@ class PyPybdsim(PythonPackage):
     version('master', branch='master')
 
     depends_on("py-setuptools", type="build")
-    depends_on("py-importlib-resources", type="build")
+    depends_on("py-importlib-resources", type=("build", "run"))
 
     depends_on("py-matplotlib@3:")
     depends_on("py-numpy@1.14:")