diff --git a/requirements_mypy.txt b/requirements_mypy.txt
index 92d9e042..5cb761f3 100644
--- a/requirements_mypy.txt
+++ b/requirements_mypy.txt
@@ -24,7 +24,7 @@ mypy==1.19.1
     # via -r requirements_mypy.in
 mypy-extensions==1.0.0
     # via mypy
-packaging==26.0
+packaging==26.1
     # via hatchling
 pathspec==0.12.1
     # via
diff --git a/requirements_tests.txt b/requirements_tests.txt
index 53b56f06..0dbc8a98 100644
--- a/requirements_tests.txt
+++ b/requirements_tests.txt
@@ -12,7 +12,7 @@ automat==24.8.1
     # via twisted
 backports-tarfile==1.2.0
     # via jaraco-context
-build==1.4.2
+build==1.4.3
     # via -r requirements_tests.in
 certifi==2025.10.5
     # via
@@ -85,7 +85,7 @@ more-itertools==10.3.0
     # via
     #   jaraco-classes
     #   jaraco-functools
-packaging==26.0
+packaging==26.1
     # via
     #   build
     #   hatch