diff --git a/.travis.yml b/.travis.yml
index 6faa3ee..ebb22e5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,8 +7,9 @@ os:
 python:
   - 2.7
   - 3.5
-  - 3.6
   - 3.7
+  - 3.8
+  - 3.9
   - pypy2.7-5.10.0
   - pypy3.6-7.1.1
 
@@ -21,6 +22,12 @@ matrix:
   exclude:
     - python: 3.7
       env: NUMPY="numpy==1.13.1"
+    - python: 3.8
+      env: NUMPY="numpy==1.13.1"
+    - python: 3.9
+      env: NUMPY="numpy==1.13.1"
+    - python: 3.9
+      env: NUMPY="numpy==1.14.5"
     - python: pypy2.7-5.10.0
       env: NUMPY="numpy==1.14.5"
     - python: pypy3.6-7.1.1
diff --git a/appveyor.yml b/appveyor.yml
index cef76ae..679cba5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -40,6 +40,21 @@ environment:
       PYTHON_ARCH: "64"
       NUMPY: "numpy==1.15"
 
+    - PYTHON: "C:\\Python37"
+      PYTHON_VERSION: "3.7.x"
+      PYTHON_ARCH: "32"
+      NUMPY: "numpy>=1.15"
+
+    - PYTHON: "C:\\Python38"
+      PYTHON_VERSION: "3.8.x"
+      PYTHON_ARCH: "32"
+      NUMPY: "numpy>=1.15"
+
+    - PYTHON: "C:\\Python39"
+      PYTHON_VERSION: "3.9.x"
+      PYTHON_ARCH: "32"
+      NUMPY: "numpy>=1.15"
+
 install:
   - "python --version"
 
diff --git a/setup.py b/setup.py
index c775539..b5eb699 100755
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@ def get_description():
 """
 
     return description[start:stop].strip() # before + + after
-    
+
 setup(name = "uproot-methods",
       version = get_version(),
       packages = find_packages(exclude = ["tests"]),
@@ -44,7 +44,7 @@ def get_description():
       install_requires = ["numpy>=1.13.1", "awkward>=0.11.0"],
       tests_require = [],
       classifiers = [
-          "Development Status :: 4 - Beta",
+          "Development Status :: 5 - Production/Stable",
           "Intended Audience :: Developers",
           "Intended Audience :: Information Technology",
           "Intended Audience :: Science/Research",
@@ -58,6 +58,8 @@ def get_description():
           "Programming Language :: Python :: 3.5",
           "Programming Language :: Python :: 3.6",
           "Programming Language :: Python :: 3.7",
+          "Programming Language :: Python :: 3.8",
+          "Programming Language :: Python :: 3.9",
           "Topic :: Scientific/Engineering",
           "Topic :: Scientific/Engineering :: Information Analysis",
           "Topic :: Scientific/Engineering :: Mathematics",
diff --git a/uproot_methods/version.py b/uproot_methods/version.py
index 4f41045..8086d3c 100644
--- a/uproot_methods/version.py
+++ b/uproot_methods/version.py
@@ -4,7 +4,7 @@
 
 import re
 
-__version__ = "0.7.4"
+__version__ = "0.8.0"
 version = __version__
 version_info = tuple(re.split(r"[-\.]", __version__))