diff --git a/moto/apigateway/models.py b/moto/apigateway/models.py
index eb7935f33..bccbbdd7d 100644
--- a/moto/apigateway/models.py
+++ b/moto/apigateway/models.py
@@ -1734,7 +1734,7 @@ class APIGatewayBackend(BaseBackend):
         if not path_part:
             # We're attempting to create the default resource, which already exists.
             return api.default
-        if not re.match("^\\{?[a-zA-Z0-9._-]+\\+?\\}?$", path_part):
+        if not re.match("^\\{?[a-zA-Z0-9._\\-\\:]+\\+?\\}?$", path_part):
             raise InvalidResourcePathException()
         return api.add_child(path=path_part, parent_id=parent_resource_id)
 
diff --git a/tests/test_apigateway/test_apigateway.py b/tests/test_apigateway/test_apigateway.py
index 911850a90..85129f7b9 100644
--- a/tests/test_apigateway/test_apigateway.py
+++ b/tests/test_apigateway/test_apigateway.py
@@ -272,7 +272,7 @@ def test_create_resource__validate_name():
     ]["id"]
 
     invalid_names = ["/users", "users/", "users/{user_id}", "us{er", "us+er"]
-    valid_names = ["users", "{user_id}", "{proxy+}", "user_09", "good-dog"]
+    valid_names = ["users", "{user_id}", "{proxy+}", "{pro:xy+}", "us:er_0-9"]
     # All invalid names should throw an exception
     for name in invalid_names:
         with pytest.raises(ClientError) as ex: