diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9c1dbde0e..f10b90c12 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -36,7 +36,7 @@ repos:
           - httpx~=0.22.0
           - tornado~=6.1
           - APScheduler~=3.9.1
-          - cachetools~=5.0.0
+          - cachetools~=5.1.0
           - . # this basically does `pip install -e .`
 -   repo: https://github.com/pre-commit/mirrors-mypy
     rev: v0.960
@@ -52,7 +52,7 @@ repos:
           - httpx~=0.22.0
           - tornado~=6.1
           - APScheduler~=3.9.1
-          - cachetools~=5.0.0
+          - cachetools~=5.1.0
           - . # this basically does `pip install -e .`
     - id: mypy
       name: mypy-examples
@@ -63,7 +63,7 @@ repos:
       additional_dependencies:
         - tornado~=6.1
         - APScheduler~=3.9.1
-        - cachetools~=5.0.0
+        - cachetools~=5.1.0
         - . # this basically does `pip install -e .`
 -   repo: https://github.com/asottile/pyupgrade
     rev: v2.32.1
diff --git a/README.rst b/README.rst
index 219264524..b548531b3 100644
--- a/README.rst
+++ b/README.rst
@@ -123,7 +123,7 @@ The dependencies are:
 
 * `httpx ~= 0.22.0 <https://www.python-httpx.org>`_ for ``telegram.request.HTTPXRequest``, the default networking backend
 * `tornado~=6.1 <https://www.tornadoweb.org/en/stable/>`_ for ``telegram.ext.Updater.start_webhook``
-* `cachetools~=5.0.0 <https://cachetools.readthedocs.io/en/latest/>`_ for ``telegram.ext.CallbackDataCache``
+* `cachetools~=5.1.0 <https://cachetools.readthedocs.io/en/latest/>`_ for ``telegram.ext.CallbackDataCache``
 * `APScheduler~=3.9.1 <https://apscheduler.readthedocs.io/en/3.x/>`_ for ``telegram.ext.JobQueue``
 
 ``python-telegram-bot`` is most useful when used along with additional libraries.
diff --git a/requirements.txt b/requirements.txt
index 8b5e201dd..d16c32dc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ tornado~=6.1
 
 # Cachetools and APS don't have a strict stability policy.
 # Let's be cautious for now.
-cachetools~=5.0.0
+cachetools~=5.1.0
 APScheduler~=3.9.1
 
 # pytz is required by APS and just needs the lower bound due to #2120