diff --git a/.github/workflows/validate-pr.yml b/.github/workflows/validate-pr.yml
index 57c4de79..bc197e42 100644
--- a/.github/workflows/validate-pr.yml
+++ b/.github/workflows/validate-pr.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-22.04]
-        python: ["3.9", "3.10", "3.11"]
+        python: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v4
@@ -74,7 +74,7 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.11"
 
       - uses: actions/cache@v3.0.8
         id: cache
@@ -109,7 +109,7 @@ jobs:
     steps:
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.11
+          python-version: 3.12
 
       - uses: actions/checkout@v4
         with:
diff --git a/changes/226.added b/changes/226.added
new file mode 100644
index 00000000..3c484d83
--- /dev/null
+++ b/changes/226.added
@@ -0,0 +1 @@
+Python 3.12 support
diff --git a/pyproject.toml b/pyproject.toml
index fa8f1c28..4a7323ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
 ]
 dynamic = ["version"]
 readme = "README.md"
diff --git a/substrafl/remote/register/register.py b/substrafl/remote/register/register.py
index acfdc4a1..007243ca 100644
--- a/substrafl/remote/register/register.py
+++ b/substrafl/remote/register/register.py
@@ -27,7 +27,7 @@
 # minimal and maximal values of Python 3 minor versions supported
 # we need to store this as integer, else "3.11" < "3.9" (string comparison)
 MINIMAL_PYTHON_VERSION = 9  # 3.9
-MAXIMAL_PYTHON_VERSION = 11  # 3.11
+MAXIMAL_PYTHON_VERSION = 12  # 3.12
 
 _DEFAULT_BASE_DOCKER_IMAGE = "python:{python_version}-slim"