diff --git a/pyproject.toml b/pyproject.toml
index d094db3..92ae971 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ doc = ["mkdocs == 1.6.0", "mkdocs-material == 9.5.30", "mkdocstrings == 0.25.2"]
 
 test = [
     "pytest == 8.2.2",
-    "tox == 4.15.1",
+    "tox == 4.18.0",
     "pyinstaller[hook_testing] == 6.10.0",
     "psutil == 6.0.0",
 ]
diff --git a/requirements/test-requirements.txt b/requirements/test-requirements.txt
index d8c09a0..68b4cfb 100644
--- a/requirements/test-requirements.txt
+++ b/requirements/test-requirements.txt
@@ -57,7 +57,7 @@ tomli==2.0.1
     #   pyproject-api
     #   pytest
     #   tox
-tox==4.15.1
+tox==4.18.0
     # via isocodes (pyproject.toml)
 virtualenv==20.26.3
     # via tox