diff --git a/Pipfile b/Pipfile
index 8fe175d..37bdcf2 100644
--- a/Pipfile
+++ b/Pipfile
@@ -20,4 +20,4 @@ black = "==26.3.1"
 ddt = "==1.7.2"
 flake8 = "==7.3.0"
 pip-audit = "==2.10.0"
-tzdata = "==2025.3"
+tzdata = "==2026.1"
diff --git a/Pipfile.lock b/Pipfile.lock
index d024d39..1991022 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "b564b4166a25f746a28bb9c4ae645f37c24fc4012c1210a15490c9a184ff6f89"
+            "sha256": "1779c8060b1e7b9ee346d83ec4463d8a2a4d8d8d9075bf50cd29cd5c565fbe8c"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -895,11 +895,12 @@
         },
         "tzdata": {
             "hashes": [
-                "sha256:06a47e5700f3081aab02b2e513160914ff0694bce9947d6b76ebd6bf57cfc5d1",
-                "sha256:de39c2ca5dc7b0344f2eba86f49d614019d29f060fc4ebc8a417896a620b56a7"
+                "sha256:4b1d2be7ac37ceafd7327b961aa3a54e467efbdb563a23655fbfe0d39cfc42a9",
+                "sha256:67658a1903c75917309e753fdc349ac0efd8c27db7a0cb406a25be4840f87f98"
             ],
+            "index": "pypi",
             "markers": "python_version >= '2'",
-            "version": "==2025.3"
+            "version": "==2026.1"
         },
         "urllib3": {
             "hashes": [