diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 66ef8e0..fa8c11d 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -25,7 +25,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10"]
+        python-version: ["3.9", "3.11"]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/pyproject.toml b/pyproject.toml
index 99b5fdd..35256c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,6 +27,7 @@ classifiers = [
 	"Programming Language :: Python :: 3 :: Only",
 	"Programming Language :: Python :: 3.9",
 	"Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
 	"Programming Language :: Python :: Implementation :: CPython",
     "Topic :: Office/Business :: Financial :: Accounting",
 ]