diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 84b5c00e5..f27261c2d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -34,6 +34,15 @@ test-py37:
     - make requirements
     - make test
 
+test-py38:
+  image: python:3.8
+  tags:
+    - github
+  script:
+    - make install
+    - make requirements
+    - make test
+
 style:
   image: python:3.6
   tags:
diff --git a/pyquil/magic.py b/pyquil/magic.py
index 2b4c279e1..afce8773c 100644
--- a/pyquil/magic.py
+++ b/pyquil/magic.py
@@ -102,7 +102,13 @@ def _if_statement(test, if_function, else_function) -> None:
             else_function()
 
 
-_EMPTY_ARGUMENTS = ast.arguments(args=[], vararg=None, kwonlyargs=[], kwarg=None, defaults=[], kw_defaults=[])
+_EMPTY_ARGUMENTS = ast.arguments(args=[],
+                                 posonlyargs=[],
+                                 vararg=None,
+                                 kwonlyargs=[],
+                                 kwarg=None,
+                                 defaults=[],
+                                 kw_defaults=[])
 
 
 class _IfTransformer(ast.NodeTransformer):
diff --git a/setup.py b/setup.py
index 3b2a1355b..97a330429 100755
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,9 @@
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'License :: OSI Approved :: Apache Software License',
-        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
         'Operating System :: OS Independent',
     ],
     install_requires=[