diff --git a/.github/workflows/python-packages.yaml b/.github/workflows/python-packages.yaml
index f10bb1b..74d407a 100644
--- a/.github/workflows/python-packages.yaml
+++ b/.github/workflows/python-packages.yaml
@@ -36,7 +36,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         package: [openproblems]
 
     steps:
diff --git a/packages/python/openproblems/CHANGELOG.md b/packages/python/openproblems/CHANGELOG.md
index 8d75a0a..9ceafc5 100644
--- a/packages/python/openproblems/CHANGELOG.md
+++ b/packages/python/openproblems/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 * Add support for python 3.9 (PR #17).
 
+* Add support for python 3.13 (PR #18).
 
 # openproblems core Python v0.1.0
 
diff --git a/packages/python/openproblems/pyproject.toml b/packages/python/openproblems/pyproject.toml
index 57aca67..7bffaa8 100644
--- a/packages/python/openproblems/pyproject.toml
+++ b/packages/python/openproblems/pyproject.toml
@@ -11,7 +11,7 @@ authors = [
 ]
 license = { text = "MIT" }
 readme = "README.md"
-requires-python = ">= 3.9, < 3.13"
+requires-python = ">= 3.9"
 dependencies = [
   'PyYAML'
 ]
diff --git a/packages/python/openproblems/tox.ini b/packages/python/openproblems/tox.ini
index 1a4d083..fb08826 100644
--- a/packages/python/openproblems/tox.ini
+++ b/packages/python/openproblems/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 requires =
     tox>=4
-env_list = lint, type, py{39, 310,311,312}
+env_list = lint, type, py{39,310,311,312,313}
 
 [testenv]
 description = run unit tests