diff --git a/pyproject.toml b/pyproject.toml
index bd45f77..7a2e14d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ init_bo4e = [
     "datamodel-code-generator==0.25.9"
 ]
 linting = [
-    "pylint==3.3.6",
+    "pylint==4.0.6",
     {include-group = "tests"}
 ]
 spell_check = [
diff --git a/uv.lock b/uv.lock
index 71bc56f..8483fad 100644
--- a/uv.lock
+++ b/uv.lock
@@ -84,11 +84,11 @@ wheels = [
 
 [[package]]
 name = "astroid"
-version = "3.3.11"
+version = "4.0.4"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/18/74/dfb75f9ccd592bbedb175d4a32fc643cf569d7c218508bfbd6ea7ef9c091/astroid-3.3.11.tar.gz", hash = "sha256:1e5a5011af2920c7c67a53f65d536d65bfa7116feeaf2354d8b94f29573bb0ce", size = 400439, upload-time = "2025-07-13T18:04:23.177Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/07/63/0adf26577da5eff6eb7a177876c1cfa213856be9926a000f65c4add9692b/astroid-4.0.4.tar.gz", hash = "sha256:986fed8bcf79fb82c78b18a53352a0b287a73817d6dbcfba3162da36667c49a0", size = 406358, upload-time = "2026-02-07T23:35:07.509Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/af/0f/3b8fdc946b4d9cc8cc1e8af42c4e409468c84441b933d037e101b3d72d86/astroid-3.3.11-py3-none-any.whl", hash = "sha256:54c760ae8322ece1abd213057c4b5bba7c49818853fc901ef09719a60dbf9dec", size = 275612, upload-time = "2025-07-13T18:04:21.07Z" },
+    { url = "https://files.pythonhosted.org/packages/b0/cf/1c5f42b110e57bc5502eb80dbc3b03d256926062519224835ef08134f1f9/astroid-4.0.4-py3-none-any.whl", hash = "sha256:52f39653876c7dec3e3afd4c2696920e05c83832b9737afc21928f2d2eb7a753", size = 276445, upload-time = "2026-02-07T23:35:05.344Z" },
 ]
 
 [[package]]
@@ -242,7 +242,7 @@ dev = [
     { name = "isort", specifier = "==5.13.2" },
     { name = "mypy", specifier = "==2.3.0" },
     { name = "pre-commit" },
-    { name = "pylint", specifier = "==3.3.6" },
+    { name = "pylint", specifier = "==4.0.6" },
     { name = "pytest", specifier = "==9.1.1" },
 ]
 formatting = [
@@ -255,7 +255,7 @@ init-bo4e = [
     { name = "datamodel-code-generator", specifier = "==0.25.9" },
 ]
 linting = [
-    { name = "pylint", specifier = "==3.3.6" },
+    { name = "pylint", specifier = "==4.0.6" },
     { name = "pytest", specifier = "==9.1.1" },
 ]
 spell-check = [{ name = "codespell", specifier = "==2.4.3" }]
@@ -1344,7 +1344,7 @@ crypto = [
 
 [[package]]
 name = "pylint"
-version = "3.3.6"
+version = "4.0.6"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "astroid" },
@@ -1355,9 +1355,9 @@ dependencies = [
     { name = "platformdirs" },
     { name = "tomlkit" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/69/a7/113d02340afb9dcbb0c8b25454e9538cd08f0ebf3e510df4ed916caa1a89/pylint-3.3.6.tar.gz", hash = "sha256:b634a041aac33706d56a0d217e6587228c66427e20ec21a019bc4cdee48c040a", size = 1519586, upload-time = "2025-03-20T11:25:38.207Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/7d/1d/3bb57f303701549550d74bf7ced2b07412be97125c167a0c9d216aa9f762/pylint-4.0.6.tar.gz", hash = "sha256:52f19191bee08bf103f9705ad1a0ece4aa5a0a4ef2bdcbd969375a1e6f6579d5", size = 1585588, upload-time = "2026-06-14T14:43:26.772Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/31/21/9537fc94aee9ec7316a230a49895266cf02d78aa29b0a2efbc39566e0935/pylint-3.3.6-py3-none-any.whl", hash = "sha256:8b7c2d3e86ae3f94fb27703d521dd0b9b6b378775991f504d7c3a6275aa0a6a6", size = 522462, upload-time = "2025-03-20T11:25:36.13Z" },
+    { url = "https://files.pythonhosted.org/packages/ab/da/acb2e7d4dbd2dfb792d38c0d850481f29ad7049b356d23f56c687d35203b/pylint-4.0.6-py3-none-any.whl", hash = "sha256:d11a0e1fdb7b1cd46ec5d6fc78fee8b95f28695b2d6140e5809925f61e32ea54", size = 538389, upload-time = "2026-06-14T14:43:24.873Z" },
 ]
 
 [[package]]