diff --git a/.travis.yml b/.travis.yml
index 2962b56..e26f73a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ python:
 - 3.6
 - 3.7
 - 3.8
+- 3.9-dev
 install:
 - pip install -e .[dev]
 script:
diff --git a/dacite/types.py b/dacite/types.py
index a1b5f6c..b319d3e 100644
--- a/dacite/types.py
+++ b/dacite/types.py
@@ -155,7 +155,10 @@ def is_generic_collection(type_: Type) -> bool:
 
 
 def extract_generic(type_: Type) -> tuple:
-    return type_.__args__  # type: ignore
+    try:
+        return type_.__args__  # type: ignore
+    except AttributeError:
+        return ()
 
 
 def is_subclass(sub_type: Type, base_type: Type) -> bool:
diff --git a/setup.py b/setup.py
index 03e7445..ad29adb 100644
--- a/setup.py
+++ b/setup.py
@@ -19,6 +19,7 @@
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "Topic :: Software Development :: Libraries :: Python Modules",
     ],
     python_requires=">=3.6",