diff --git a/.travis.yml b/.travis.yml
index 1daf9dd5..57f0c082 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ python:
   - "3.7"
   - "3.8"
   - "3.9-dev"
+  - "3.10-dev"
   - "pypy3"
 
 install:
diff --git a/packaging/build.sh b/packaging/build.sh
index dc1942a6..68665aa6 100644
--- a/packaging/build.sh
+++ b/packaging/build.sh
@@ -35,7 +35,7 @@ NAME="$(python3 setup.py --name)"
 VERSION="$(python3 setup.py --version)"
 AUTHOR="$(python3 setup.py --author)"
 AUTHOR_EMAIL="$(python3 setup.py --author-email)"
-SUPPORTED_PYTHON_VERSIONS="$(python3 setup.py --classifiers | grep 'Programming Language' | grep -Po '\d\.\d')"
+SUPPORTED_PYTHON_VERSIONS="$(python3 setup.py --classifiers | grep 'Programming Language' | grep -Po '\d+\.\d+')"
 
 
 # DRY.
diff --git a/setup.py b/setup.py
index f49b8291..2090b289 100644
--- a/setup.py
+++ b/setup.py
@@ -62,6 +62,7 @@
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Topic :: System'
     ]
 )