diff --git a/pyproject.toml b/pyproject.toml
index 923d48cb..7c720657 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ lint = [
     "pytest>=9.0.3,<10",
     "tenacity>=9.1.4,<10",
     "liccheck>=0.9.2",
-    "setuptools>=60,<80",  # required by liccheck
+    "setuptools>=60,<84",  # required by liccheck
 ]
 release = [
     "towncrier==23.11.0",
@@ -85,7 +85,7 @@ bundle = [
     "pyinstaller-hooks-contrib>=2023.6",
     "patchelf-wrapper==1.2.0; platform_system == \"Linux\"",
     "staticx~=0.14.1; platform_system == \"Linux\"",
-    "setuptools>=60,<80; platform_system == \"Linux\"",  # required by non-isolated Linux bundle builds
+    "setuptools>=60,<84; platform_system == \"Linux\"",  # required by non-isolated Linux bundle builds
 ]
 
 [tool.uv]
diff --git a/uv.lock b/uv.lock
index 7ad8b396..ad93ea69 100644
--- a/uv.lock
+++ b/uv.lock
@@ -173,7 +173,7 @@ bundle = [
     { name = "patchelf-wrapper", marker = "sys_platform == 'linux'", specifier = "==1.2.0" },
     { name = "pyinstaller", specifier = ">=6.15,<7" },
     { name = "pyinstaller-hooks-contrib", specifier = ">=2023.6" },
-    { name = "setuptools", marker = "sys_platform == 'linux'", specifier = ">=60,<80" },
+    { name = "setuptools", marker = "sys_platform == 'linux'", specifier = ">=60,<84" },
     { name = "staticx", marker = "sys_platform == 'linux'", specifier = "~=0.14.1" },
 ]
 doc = [
@@ -189,7 +189,7 @@ lint = [
     { name = "liccheck", specifier = ">=0.9.2" },
     { name = "pytest", specifier = ">=9.0.3,<10" },
     { name = "ruff", specifier = "~=0.8.4" },
-    { name = "setuptools", specifier = ">=60,<80" },
+    { name = "setuptools", specifier = ">=60,<84" },
     { name = "tenacity", specifier = ">=9.1.4,<10" },
 ]
 nox = [{ name = "nox", specifier = ">=2025.11.12" }]
@@ -1299,11 +1299,11 @@ wheels = [
 
 [[package]]
 name = "setuptools"
-version = "79.0.1"
+version = "83.0.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/bb/71/b6365e6325b3290e14957b2c3a804a529968c77a049b2ed40c095f749707/setuptools-79.0.1.tar.gz", hash = "sha256:128ce7b8f33c3079fd1b067ecbb4051a66e8526e7b65f6cec075dfc650ddfa88", size = 1367909, upload-time = "2025-04-23T22:20:59.241Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/34/26/f5d29e25ffdb535afef2d35cdb55b325298f96debd670da4c325e08d70f4/setuptools-83.0.0.tar.gz", hash = "sha256:025bccbbf0fa05b6192bc64ae1e7b16e001fd6d6d4d5de03c97b1c1ade523bef", size = 1154254, upload-time = "2026-07-04T15:31:22.699Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/0d/6d/b4752b044bf94cb802d88a888dc7d288baaf77d7910b7dedda74b5ceea0c/setuptools-79.0.1-py3-none-any.whl", hash = "sha256:e147c0549f27767ba362f9da434eab9c5dc0045d5304feb602a0af001089fc51", size = 1256281, upload-time = "2025-04-23T22:20:56.768Z" },
+    { url = "https://files.pythonhosted.org/packages/5d/40/e1e72872c6354b306daef1703549e8e83b4d43cfea356311bf722a043752/setuptools-83.0.0-py3-none-any.whl", hash = "sha256:29b23c360f22f414dc7336bb39178cc7bcbf6021ed2733cde173f09dba19abb3", size = 1008090, upload-time = "2026-07-04T15:31:20.885Z" },
 ]
 
 [[package]]