diff --git a/pyproject.toml b/pyproject.toml
index a0e4eec..2d1542e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -84,7 +84,7 @@ dev = [
   "pytest-cov>=4.1.0,<5.0.0",
   "black>=23.0.0,<24.0.0",
   "isort>=5.12.0,<6.0.0",
-  "flake8>=6.0.0,<7.0.0",
+  "flake8>=6.0.0,<8.0.0",
   "mypy>=1.4.0,<2.0.0",
   "pre-commit>=3.3.0,<4.0.0",
   "mkdocs>=1.5.0,<2.0.0",
diff --git a/requirements-dev.txt b/requirements-dev.txt
index f227827..41e91bf 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ pytest-cov>=4.1.0,<5.0.0
 # Code quality
 black>=23.0.0,<24.0.0
 isort>=5.12.0,<6.0.0
-flake8>=6.0.0,<7.0.0
+flake8>=6.0.0,<8.0.0
 mypy>=1.4.0,<2.0.0
 pre-commit>=3.3.0,<4.0.0
 
diff --git a/requirements.txt b/requirements.txt
index 8adb8ae..480f398 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ pytest>=7.4.0,<8.0.0
 pytest-cov>=4.1.0,<5.0.0
 black>=23.0.0,<24.0.0
 isort>=5.12.0,<6.0.0
-flake8>=6.0.0,<7.0.0
+flake8>=6.0.0,<8.0.0
 mypy>=1.4.0,<2.0.0
 pre-commit>=3.3.0,<4.0.0