diff --git a/requirements/ci.in b/requirements/ci.in
index 3797849..3586cbe 100644
--- a/requirements/ci.in
+++ b/requirements/ci.in
@@ -3,4 +3,3 @@
 -c constraints.txt
 
 tox                       # Virtualenv management for tests
-tox-battery               # Makes tox aware of requirements file changes
diff --git a/requirements/ci.txt b/requirements/ci.txt
index dc227d3..a9f0168 100644
--- a/requirements/ci.txt
+++ b/requirements/ci.txt
@@ -4,6 +4,12 @@
 #
 #    make upgrade
 #
+cachetools==5.3.2
+    # via tox
+chardet==5.2.0
+    # via tox
+colorama==0.4.6
+    # via tox
 distlib==0.3.7
     # via virtualenv
 filelock==3.13.1
@@ -22,19 +28,13 @@ platformdirs==3.11.0
     #   virtualenv
 pluggy==1.3.0
     # via tox
-py==1.11.0
-    # via tox
-six==1.16.0
+pyproject-api==1.6.1
     # via tox
 tomli==2.0.1
     # via
     #   pyproject-api
     #   tox
-tox==3.28.0
-    # via
-    #   -r requirements/ci.in
-    #   tox-battery
-tox-battery==0.6.2
+tox==4.11.3
     # via -r requirements/ci.in
 virtualenv==20.24.6
     # via tox