diff --git a/poetry.lock b/poetry.lock
index 69b1926..dd0cc7f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -803,29 +803,29 @@ jupyter = ["ipywidgets (>=7.5.1,<9)"]
 
 [[package]]
 name = "ruff"
-version = "0.6.9"
+version = "0.9.0"
 description = "An extremely fast Python linter and code formatter, written in Rust."
 optional = false
 python-versions = ">=3.7"
 files = [
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-    {file = "ruff-0.6.9-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:140d4b5c9f5fc7a7b074908a78ab8d384dd7f6510402267bc76c37195c02a7ec"},
-    {file = "ruff-0.6.9-py3-none-macosx_11_0_arm64.whl", hash = "sha256:53fd8ca5e82bdee8da7f506d7b03a261f24cd43d090ea9db9a1dc59d9313914c"},
-    {file = "ruff-0.6.9-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:645d7d8761f915e48a00d4ecc3686969761df69fb561dd914a773c1a8266e14e"},
-    {file = "ruff-0.6.9-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:eae02b700763e3847595b9d2891488989cac00214da7f845f4bcf2989007d577"},
-    {file = "ruff-0.6.9-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:7d5ccc9e58112441de8ad4b29dcb7a86dc25c5f770e3c06a9d57e0e5eba48829"},
-    {file = "ruff-0.6.9-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:417b81aa1c9b60b2f8edc463c58363075412866ae4e2b9ab0f690dc1e87ac1b5"},
-    {file = "ruff-0.6.9-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:3c866b631f5fbce896a74a6e4383407ba7507b815ccc52bcedabb6810fdb3ef7"},
-    {file = "ruff-0.6.9-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:7b118afbb3202f5911486ad52da86d1d52305b59e7ef2031cea3425142b97d6f"},
-    {file = "ruff-0.6.9-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:a67267654edc23c97335586774790cde402fb6bbdb3c2314f1fc087dee320bfa"},
-    {file = "ruff-0.6.9-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:3ef0cc774b00fec123f635ce5c547dac263f6ee9fb9cc83437c5904183b55ceb"},
-    {file = "ruff-0.6.9-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:12edd2af0c60fa61ff31cefb90aef4288ac4d372b4962c2864aeea3a1a2460c0"},
-    {file = "ruff-0.6.9-py3-none-musllinux_1_2_i686.whl", hash = "sha256:55bb01caeaf3a60b2b2bba07308a02fca6ab56233302406ed5245180a05c5625"},
-    {file = "ruff-0.6.9-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:925d26471fa24b0ce5a6cdfab1bb526fb4159952385f386bdcc643813d472039"},
-    {file = "ruff-0.6.9-py3-none-win32.whl", hash = "sha256:eb61ec9bdb2506cffd492e05ac40e5bc6284873aceb605503d8494180d6fc84d"},
-    {file = "ruff-0.6.9-py3-none-win_amd64.whl", hash = "sha256:785d31851c1ae91f45b3d8fe23b8ae4b5170089021fbb42402d811135f0b7117"},
-    {file = "ruff-0.6.9-py3-none-win_arm64.whl", hash = "sha256:a9641e31476d601f83cd602608739a0840e348bda93fec9f1ee816f8b6798b93"},
-    {file = "ruff-0.6.9.tar.gz", hash = "sha256:b076ef717a8e5bc819514ee1d602bbdca5b4420ae13a9cf61a0c0a4f53a2baa2"},
+    {file = "ruff-0.9.0-py3-none-linux_armv6l.whl", hash = "sha256:949b3513f931741e006cf267bf89611edff04e1f012013424022add3ce78f319"},
+    {file = "ruff-0.9.0-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:99fbcb8c7fe94ae1e462ab2a1ef17cb20b25fb6438b9f198b1bcf5207a0a7916"},
+    {file = "ruff-0.9.0-py3-none-macosx_11_0_arm64.whl", hash = "sha256:0b022afd8eb0fcfce1e0adec84322abf4d6ce3cd285b3b99c4f17aae7decf749"},
+    {file = "ruff-0.9.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:336567ce92c9ca8ec62780d07b5fa11fbc881dc7bb40958f93a7d621e7ab4589"},
+    {file = "ruff-0.9.0-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:d338336c44bda602dc8e8766836ac0441e5b0dfeac3af1bd311a97ebaf087a75"},
+    {file = "ruff-0.9.0-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:d9b3ececf523d733e90b540e7afcc0494189e8999847f8855747acd5a9a8c45f"},
+    {file = "ruff-0.9.0-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:a11c0872a31232e473e2e0e2107f3d294dbadd2f83fb281c3eb1c22a24866924"},
+    {file = "ruff-0.9.0-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:b5fd06220c17a9cc0dc7fc6552f2ac4db74e8e8bff9c401d160ac59d00566f54"},
+    {file = "ruff-0.9.0-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:0457e775c74bf3976243f910805242b7dcd389e1d440deccbd1194ca17a5728c"},
+    {file = "ruff-0.9.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:05415599bbcb318f730ea1b46a39e4fbf71f6a63fdbfa1dda92efb55f19d7ecf"},
+    {file = "ruff-0.9.0-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:fbf9864b009e43cfc1c8bed1a6a4c529156913105780af4141ca4342148517f5"},
+    {file = "ruff-0.9.0-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:37b3da222b12e2bb2ce628e02586ab4846b1ed7f31f42a5a0683b213453b2d49"},
+    {file = "ruff-0.9.0-py3-none-musllinux_1_2_i686.whl", hash = "sha256:733c0fcf2eb0c90055100b4ed1af9c9d87305b901a8feb6a0451fa53ed88199d"},
+    {file = "ruff-0.9.0-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:8221a454bfe5ccdf8017512fd6bb60e6ec30f9ea252b8a80e5b73619f6c3cefd"},
+    {file = "ruff-0.9.0-py3-none-win32.whl", hash = "sha256:d345f2178afd192c7991ddee59155c58145e12ad81310b509bd2e25c5b0247b3"},
+    {file = "ruff-0.9.0-py3-none-win_amd64.whl", hash = "sha256:0cbc0905d94d21305872f7f8224e30f4bbcd532bc21b2225b2446d8fc7220d19"},
+    {file = "ruff-0.9.0-py3-none-win_arm64.whl", hash = "sha256:7b1148771c6ca88f820d761350a053a5794bc58e0867739ea93eb5e41ad978cd"},
+    {file = "ruff-0.9.0.tar.gz", hash = "sha256:143f68fa5560ecf10fc49878b73cee3eab98b777fcf43b0e62d43d42f5ef9d8b"},
 ]
 
 [[package]]
@@ -962,4 +962,4 @@ rich = ["rich"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9.0"
-content-hash = "95edd0df411dfe5f3a409d76ce779bec378b0df36fba11aa8532f4e889aad1ac"
+content-hash = "09131eb3614dc8aee7889fa9755cd6dcf550762b2475bfd6473424a3774a79b5"
diff --git a/pyproject.toml b/pyproject.toml
index 93d6417..e6483c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ gh-pages = ["tinycss2"]
 mypy = "^1.8.0"
 pytest = "^8.0.0"
 pytest-cov = "^5.0.0"
-ruff = "^0.6.0"
+ruff = "^0.9.0"
 types-pygments = "^2.17.0.20240106"
 types-colorama = "^0.4.15.20240205"