diff --git a/changelog.d/7.adding.md b/changelog.d/7.adding.md
new file mode 100644
index 0000000..fa725d7
--- /dev/null
+++ b/changelog.d/7.adding.md
@@ -0,0 +1 @@
+Added support for Python 3.13
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 414d567..df743ab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -124,6 +124,7 @@ python = [
 "3.10",
 "3.11",
 "3.12",
+"3.13",
 ]
 
 [tool.hatch.envs.ci.scripts]
diff --git a/workflow-support/make_ci_image.sh b/workflow-support/make_ci_image.sh
index ad0d2f3..e80131e 100755
--- a/workflow-support/make_ci_image.sh
+++ b/workflow-support/make_ci_image.sh
@@ -23,7 +23,7 @@ proj_deps=(libsqlite3-0)
 proj_build_deps=(build-essential libc6-dev pkg-config)
 
 hatchenvs=(lint ci)
-cimatrix=(3.8 3.9 3.10 3.11 3.12)
+cimatrix=(3.8 3.9 3.10 3.11 3.12 3.13)
 
 c=$(buildah from "${base_image}")
 
diff --git a/workflow-support/versions.json b/workflow-support/versions.json
index 2dc44cb..53437db 100644
--- a/workflow-support/versions.json
+++ b/workflow-support/versions.json
@@ -1 +1 @@
-versions={"python": ["3.8", "3.9", "3.10", "3.11", "3.12"]}
+versions={"python": ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]}