diff --git a/var/spack/repos/builtin/packages/sundials/package.py b/var/spack/repos/builtin/packages/sundials/package.py
index c3e6d9986a0..b05d31f360e 100644
--- a/var/spack/repos/builtin/packages/sundials/package.py
+++ b/var/spack/repos/builtin/packages/sundials/package.py
@@ -22,6 +22,7 @@ class Sundials(CMakePackage, CudaPackage, ROCmPackage):
     test_requires_compiler = True
 
     maintainers("balos1", "cswoodward", "gardner48")
+    license("BSD-3-Clause")
 
     # ==========================================================================
     # Versions