diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index f5a4b2ec1..78d7f11da 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -28,7 +28,7 @@ jobs:
         inputs:
           versionSpec: "3.7"
       - script: |
-          pip install flake8==3.9.2
+          pip install flake8==5.0.4
           python -m flake8 spacy --count --select=E901,E999,F821,F822,F823 --show-source --statistics
         displayName: "flake8"
 
diff --git a/requirements.txt b/requirements.txt
index d3123d4b6..9f97af05b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,6 +27,6 @@ cython>=0.25,<3.0
 pytest>=5.2.0
 pytest-timeout>=1.3.0,<2.0.0
 mock>=2.0.0,<3.0.0
-flake8>=3.8.0,<3.10.0
+flake8>=3.8.0,<6.0.0
 hypothesis>=3.27.0,<7.0.0
 mypy==0.910