diff --git a/requirements.txt b/requirements.txt
index 97b4e227..027c078b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,9 +41,9 @@ Pygments==2.2.0
 python-dateutil==2.7.3
 pytest==3.5.1
 pytest-runner==4.2
-pytz==2018.4
+pytz==2024.2
 PyYAML==3.13
-pytz==2018.5
+pytz==2024.2
 requests==2.19.1
 setuptools_scm>=1.15.0
 six==1.11.0
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5404d8d3..4b5ddbc0 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -41,7 +41,7 @@ Pygments==2.2.0
 python-dateutil==2.7.3
 pytest==3.5.1
 PyYAML==3.13
-pytz==2018.5
+pytz==2024.2
 requests==2.19.1
 setuptools_scm>=1.15.0
 six==1.11.0