diff --git a/requirements.txt b/requirements.txt
index 8b1657233..da0c97218 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,3 +29,5 @@ stevedore>=1.20.0 # Apache-2.0
 WebOb>=1.7.1 # MIT
 castellan >= 1.2.1 # Apache-2.0
 microversion-parse>=0.2.1 # Apache-2.0
+
+pytz>=2025.2 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 4a33d712e..98f319082 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -17,3 +17,5 @@ bandit!=1.6.0,>=1.1.0 # Apache-2.0
 
 doc8>=0.8.1 # Apache-2.0
 Pygments>=2.2.0 # BSD license
+
+pytz>=2025.2 # MIT