diff --git a/requirements/dev.txt b/requirements/dev.txt
index 8b9c098..a2d480a 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -261,7 +261,7 @@ tomli==2.4.0
     #   pytest
     #   sphinx
     #   tox
-tox==4.46.3
+tox==4.47.0
     # via -r requirements/tests.in
 typer==0.24.1
     # via rstcheck
diff --git a/requirements/tests.in b/requirements/tests.in
index 46954bc..1e4dba4 100644
--- a/requirements/tests.in
+++ b/requirements/tests.in
@@ -4,4 +4,4 @@ blinker
 coverage-badge~=1.0
 pytest
 pytest-cov
-tox~=4.0
+tox~=4.47
diff --git a/requirements/tests.txt b/requirements/tests.txt
index aff4551..49c216c 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -161,7 +161,7 @@ tomli==2.4.0
     #   pyproject-api
     #   pytest
     #   tox
-tox==4.46.3
+tox==4.47.0
     # via -r requirements/tests.in
 typing-extensions==4.15.0
     # via