diff --git a/requirements.txt b/requirements.txt
index a00c838..30e347d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -455,9 +455,9 @@ pycodestyle==2.7.0; python_version >= "2.7" and python_full_version < "3.0.0" or
 pycparser==2.20; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6" \
     --hash=sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705 \
     --hash=sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0
-pyflakes==2.3.1; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" \
-    --hash=sha256:7893783d01b8a89811dd72d7dfd4d84ff098e5eed95cfa8905b22bbffe52efc3 \
-    --hash=sha256:f5bc8ecabc05bb9d291eb5203d6810b49040f6ff446a756326104746cc00c1db
+pyflakes==2.4.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" \
+    --hash=sha256:05a85c2872edf37a4ed30b0cce2f6093e1d0581f8c19d7393122da7e25b2b24c \
+    --hash=sha256:3bb3a3f256f4b7968c9c788781e4ff07dce46bdf12339dcda61053375426ee2e
 pylint==2.10.2; python_version >= "3.6" and python_version < "4.0" \
     --hash=sha256:e178e96b6ba171f8ef51fbce9ca30931e6acbea4a155074d80cc081596c9e852 \
     --hash=sha256:6758cce3ddbab60c52b57dcc07f0c5d779e5daf0cf50f6faacbef1d3ea62d2a1