diff --git a/.manylinux-install.sh b/.manylinux-install.sh
index 325eb52..dc715e0 100755
--- a/.manylinux-install.sh
+++ b/.manylinux-install.sh
@@ -8,7 +8,9 @@ for PYBIN in /opt/python/*/bin; do
     if [[ "${PYBIN}" == *"cp27"* ]] || \
        [[ "${PYBIN}" == *"cp36"* ]] || \
        [[ "${PYBIN}" == *"cp37"* ]] || \
-       [[ "${PYBIN}" == *"cp38"* ]];
+       [[ "${PYBIN}" == *"cp38"* ]] || \
+       [[ "${PYBIN}" == *"cp39"* ]];
+       [[ "${PYBIN}" == *"cp310"* ]];
     then
         "${PYBIN}/pip" install tox
         "${PYBIN}/pip" install -U cython
@@ -29,7 +31,9 @@ for PYBIN in /opt/python/*/bin; do
     if [[ "${PYBIN}" == *"cp27"* ]] || \
        [[ "${PYBIN}" == *"cp36"* ]] || \
        [[ "${PYBIN}" == *"cp37"* ]] || \
-       [[ "${PYBIN}" == *"cp38"* ]];
+       [[ "${PYBIN}" == *"cp38"* ]] || \
+       [[ "${PYBIN}" == *"cp39"* ]];
+       [[ "${PYBIN}" == *"cp310* ]];
     then
         "${PYBIN}/pip" uninstall -y python-crfsuite
         "${PYBIN}/pip" install python-crfsuite --no-index -f /io/wheelhouse
diff --git a/.travis.yml b/.travis.yml
index 8ed7300..3331e61 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,12 @@
 language: python
 matrix:
   include:
+  - os: linux
+    python: '3.10'
+    env: TOXENV=py10
+  - os: linux
+    python: 3.9
+    env: TOXENV=py39
   - os: linux
     python: 3.8
     env: TOXENV=py38
@@ -13,6 +19,16 @@ matrix:
   - os: linux
     python: 2.7
     env: TOXENV=py27
+  - os: osx
+    language: generic
+    env:
+      - PYTHON='3.10.0'
+      - TOXENV=py310
+  - os: osx
+    language: generic
+    env:
+      - PYTHON='3.9.0'
+      - TOXENV=py39
   - os: osx
     language: generic
     env:
@@ -20,17 +36,17 @@ matrix:
       - TOXENV=py38
   - os: osx
     language: generic
-    env: 
+    env:
       - PYTHON='3.7.7'
-      - TOXENV=py37    
+      - TOXENV=py37
   - os: osx
     language: generic
-    env: 
+    env:
       - PYTHON='3.6.2'
       - TOXENV=py36
   - os: osx
     language: generic
-    env: 
+    env:
       - PYTHON='2.7.13'
       - TOXENV=py27
   - sudo: required
@@ -91,7 +107,7 @@ script:
 - tox
 
 after_success:
-- pip install wheel twine 
+- pip install wheel twine
 - if [[ $TRAVIS_TAG && "$TRAVIS_OS_NAME" == "osx" ]]; then
   python -W ignore setup.py bdist_wheel;
   twine upload dist/*;
diff --git a/appveyor.yml b/appveyor.yml
index ce62d7f..6e9426d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,10 +8,14 @@ environment:
     - python : 27-x64
     - python : 36
     - python : 36-x64
-    - python : 37	
-    - python : 37-x64    
+    - python : 37
+    - python : 37-x64
     - python : 38
     - python : 38-x64
+    - python : 39
+    - python : 39-x64
+    - python : 310
+    - python : 310-x64
 
 install:
   - "SET PATH=C:\\Python%PYTHON%;c:\\Python%PYTHON%\\scripts;%PATH%"
diff --git a/setup.py b/setup.py
index 952053e..7f8ef4c 100755
--- a/setup.py
+++ b/setup.py
@@ -68,6 +68,8 @@ def c_compile(obj, src, ext, cc_args, extra_postargs, pp_opts):
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Topic :: Software Development",
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Topic :: Scientific/Engineering",