diff --git a/pyproject.toml b/pyproject.toml
index 8ad67eb..5345fb0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ dependencies = [
     "fastapi>=0.115",
     "uvicorn[standard]>=0.52.1",
     "jinja2>=3.1",
-    "plotly>=6.0",
+    "plotly>=6.9.0",
     "pillow>=10.0",
     "psycopg2-binary>=2.9",
     "markdown>=3.10.3",
diff --git a/uv.lock b/uv.lock
index 32914e4..e01ec3b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1094,7 +1094,7 @@ requires-dist = [
     { name = "markdown", specifier = ">=3.10.3" },
     { name = "model2vec", specifier = ">=0.8.2" },
     { name = "pillow", specifier = ">=10.0" },
-    { name = "plotly", specifier = ">=6.0" },
+    { name = "plotly", specifier = ">=6.9.0" },
     { name = "psycopg2-binary", specifier = ">=2.9" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.0" },
     { name = "pytest-cov", marker = "extra == 'dev'", specifier = ">=6.0" },
@@ -1196,15 +1196,15 @@ wheels = [
 
 [[package]]
 name = "plotly"
-version = "6.8.0"
+version = "6.9.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "narwhals" },
     { name = "packaging" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/94/fd/d72c292d78aadb93d1a9bcd76bf3c678271040c7cf10abe5788b33040a39/plotly-6.8.0.tar.gz", hash = "sha256:e088e7ddc68d4f70e3d66659224727a45296d71d2b8284181862d3d8f1f0d88f", size = 6915161, upload-time = "2026-06-03T18:33:40.226Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/96/07/795c79dbce40c39bece88e69d049babbd23ffa95b5d117f248db8ea03abb/plotly-6.9.0.tar.gz", hash = "sha256:967ad33e8c704fed051800d11d985eb206a9c795c14206b30a6f463ed9c67d0d", size = 6919903, upload-time = "2026-07-09T14:55:59.982Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/f9/14/abe5ce876ab5b66ee3c691bf537fcd43d037aea55d447aacf74630a8f31e/plotly-6.8.0-py3-none-any.whl", hash = "sha256:13c5c4a0f70b74cab1913eda0de49b826df5931708eb6f9c3010040614700ec8", size = 9902055, upload-time = "2026-06-03T18:33:34.26Z" },
+    { url = "https://files.pythonhosted.org/packages/24/18/d8544811ab076f876c4892b3714f5b0dad335e1dc33aef826df431b8325d/plotly-6.9.0-py3-none-any.whl", hash = "sha256:36bebe2f1bb13884774fe61689c329071446f6ce4a8927fb1f0d6fb24f581236", size = 9909646, upload-time = "2026-07-09T14:55:55.421Z" },
 ]
 
 [[package]]