diff --git a/var/spack/repos/builtin/packages/sos/package.py b/var/spack/repos/builtin/packages/sos/package.py
index 3f9ff87b37..8deba7e875 100644
--- a/var/spack/repos/builtin/packages/sos/package.py
+++ b/var/spack/repos/builtin/packages/sos/package.py
@@ -15,7 +15,7 @@ class Sos(AutotoolsPackage):
     # notify when the package is updated.
     maintainers("rscohn2")
 
-    license("GPL-2.0-or-later")
+    license("BSD-3-Clause")
 
     version("1.5.2", sha256="c9df8c6ab43890e5d8970467c188ae2fad736845875ca4c370ff047dbb37d017")
     version("1.5.1", sha256="0a6303dcbdd713ef2d83c617c1eb821227603c98cb9816c53585fd993da8a984")