diff --git a/packages/opal/package.py b/packages/opal/package.py
index 2415420..df2e2b8 100644
--- a/packages/opal/package.py
+++ b/packages/opal/package.py
@@ -46,7 +46,7 @@ class Opal(CMakePackage):
     depends_on("boost+chrono+filesystem+iostreams+regex+serialization+system+timer")
     depends_on("boost+mpi", when="+mpi")
     depends_on("boost+python", when="+python")
-    depends_on("python@3.0", when="+python")
+    depends_on("python@3.0:", when="+python")
     depends_on(
         "boost+mpi+chrono+filesystem+iostreams+regex+serialization+system+timer", when="+mpi"
     )