diff --git a/requirements_mypy.txt b/requirements_mypy.txt
index 92d9e04..9b43660 100644
--- a/requirements_mypy.txt
+++ b/requirements_mypy.txt
@@ -39,7 +39,7 @@ tomli==2.0.1
     #   mypy
 trove-classifiers==2024.7.2
     # via hatchling
-twisted==25.5.0
+twisted==26.4.0
     # via -r requirements_mypy.in
 typing-extensions==4.12.2
     # via
diff --git a/requirements_tests.txt b/requirements_tests.txt
index 53b56f0..70ddad0 100644
--- a/requirements_tests.txt
+++ b/requirements_tests.txt
@@ -127,7 +127,7 @@ tomlkit==0.13.0
     # via hatch
 trove-classifiers==2024.7.2
     # via hatchling
-twisted==25.5.0
+twisted==26.4.0
     # via -r requirements_tests.in
 typing-extensions==4.15.0
     # via