diff --git a/pyproject.toml b/pyproject.toml
index 650a54a..513fb41 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ classifiers = [
 dependencies = [
   "httpx[socks]==0.28.1",
   "keyring==25.7.0",
-  "tzdata==2026.4",
+  "tzdata==2026.6",
 ]
 
 [project.urls]
diff --git a/requirements.txt b/requirements.txt
index 78fb8ce..03c2fcb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 httpx[socks]==0.28.1
 keyring==25.7.0
-tzdata==2026.4
+tzdata==2026.6