diff --git a/requirements/celery.txt b/requirements/celery.txt
index cd97a92bad..5c0980067d 100644
--- a/requirements/celery.txt
+++ b/requirements/celery.txt
@@ -1,4 +1,4 @@
 # Dependencies used by the CeleryLongCallbackManager
-redis>=3.5.3,<=5.0.4
-kombu<5.4.0
-celery[redis]>=5.1.2,<5.4.0
+redis>=3.5.3,<=8.1.0
+kombu<5.7.0
+celery[redis]>=5.1.2,<5.7.0
diff --git a/requirements/ci.txt b/requirements/ci.txt
index be523339fc..f2919da534 100644
--- a/requirements/ci.txt
+++ b/requirements/ci.txt
@@ -1,12 +1,12 @@
 # Dependencies used by CI on github.com/plotly/dash
 black==22.3.0
-flake8==7.0.0
+flake8==7.3.0
 flaky==3.8.1
-flask-talisman==1.0.0
+flask-talisman==1.1.0
 ipython<9.0.0
-mimesis<=11.1.0
-mock==4.0.3
-numpy<=1.26.3
+mimesis<=21.0.0
+mock==5.2.0
+numpy<=2.2.6
 orjson>=3.10.11
 openpyxl
 pandas>=1.4.0
@@ -20,5 +20,5 @@ xlrd>=2.0.1
 pytest-rerunfailures
 pytest-timeout
 jupyterlab<4.0.0
-pyright==1.1.398;python_version>="3.7"
+pyright==1.1.411;python_version>="3.7"
 mypy==1.15.0;python_version>="3.12"
diff --git a/requirements/testing.txt b/requirements/testing.txt
index 37fd92ceec..c4ad6bf401 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -5,7 +5,7 @@ lxml>=4.6.2
 percy-python-selenium>=1.0.0
 pytest>=6.0.2
 requests[security]>=2.21.0
-selenium>=4.11.0,<=4.46.0
+selenium>=4.11.0,<=4.47.0
 waitress>=1.4.4
 multiprocess>=0.70.12
 psutil>=5.8.0
diff --git a/tests/integration/callbacks/test_wildcards.py b/tests/integration/callbacks/test_wildcards.py
index 66d4502e04..704a4f418f 100644
--- a/tests/integration/callbacks/test_wildcards.py
+++ b/tests/integration/callbacks/test_wildcards.py
@@ -375,9 +375,6 @@ def update_output_on_page_pattern(value):
 
 
 def test_cbwc005_callbacks_count(dash_duo):
-    global fibonacci_count
-    global fibonacci_sum_count
-
     app = fibonacci_app(False)
     dash_duo.start_server(app)