diff --git a/tests/snippets/set.py b/tests/snippets/set.py
index c078908f7..8b31c7c23 100644
--- a/tests/snippets/set.py
+++ b/tests/snippets/set.py
@@ -5,6 +5,10 @@ assert set([1,2,3]) >= set([1,2])
 assert set([1,2]) >= set([1,2])
 assert not set([1,3]) >= set([1,2])
 
+assert set([1,2,3]).issuperset(set([1,2]))
+assert set([1,2]).issuperset(set([1,2]))
+assert not set([1,3]).issuperset(set([1,2]))
+
 assert set([1,2,3]) > set([1,2])
 assert not set([1,2]) > set([1,2])
 assert not set([1,3]) > set([1,2])
@@ -13,6 +17,10 @@ assert set([1,2]) <= set([1,2,3])
 assert set([1,2]) <= set([1,2])
 assert not set([1,3]) <= set([1,2])
 
+assert set([1,2]).issubset(set([1,2,3]))
+assert set([1,2]).issubset(set([1,2]))
+assert not set([1,3]).issubset(set([1,2]))
+
 assert set([1,2]) < set([1,2,3])
 assert not set([1,2]) < set([1,2])
 assert not set([1,3]) < set([1,2])
diff --git a/vm/src/obj/objset.rs b/vm/src/obj/objset.rs
index e2399776e..dfb46b4c2 100644
--- a/vm/src/obj/objset.rs
+++ b/vm/src/obj/objset.rs
@@ -215,6 +215,8 @@ pub fn init(context: &PyContext) {
     context.set_attr(&set_type, "__gt__", context.new_rustfunc(set_gt));
     context.set_attr(&set_type, "__le__", context.new_rustfunc(set_le));
     context.set_attr(&set_type, "__lt__", context.new_rustfunc(set_lt));
+    context.set_attr(&set_type, "issubset", context.new_rustfunc(set_le));
+    context.set_attr(&set_type, "issuperset", context.new_rustfunc(set_ge));
     context.set_attr(&set_type, "__doc__", context.new_str(set_doc.to_string()));
     context.set_attr(&set_type, "add", context.new_rustfunc(set_add));