diff --git a/changes/unreleased/5254.kaanCYDk82Jg6P8S9pJG3C.toml b/changes/unreleased/5254.kaanCYDk82Jg6P8S9pJG3C.toml
new file mode 100644
index 000000000..f9e26dec8
--- /dev/null
+++ b/changes/unreleased/5254.kaanCYDk82Jg6P8S9pJG3C.toml
@@ -0,0 +1,5 @@
+internal = "Update dependency sphinxcontrib-mermaid to v2.0.2"
+[[pull_requests]]
+uid = "5254"
+author_uids = ["renovate[bot]"]
+closes_threads = []
diff --git a/pyproject.toml b/pyproject.toml
index 74d2c6a91..14698612a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -120,7 +120,7 @@ docs = [
     "sphinx==9.1.0; python_version >= '3.12'",
     "furo==2025.12.19",
     "sphinx-paramlinks==0.6.0",
-    "sphinxcontrib-mermaid==2.0.1",
+    "sphinxcontrib-mermaid==2.0.2",
     "sphinx-copybutton==0.5.2",
     "sphinx-inline-tabs==2025.12.21.14",
     # Temporary. See #4387