diff --git a/package-lock.json b/package-lock.json
index e18197cac98..b4f4af8a4a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35199,7 +35199,7 @@
         "interactjs": "1.10.27",
         "lodash-es": "4.17.21",
         "sortablejs": "1.15.3",
-        "timezone-groups": "0.9.1",
+        "timezone-groups": "0.10.0",
         "type-fest": "4.18.2"
       },
       "devDependencies": {
diff --git a/packages/calcite-components/package.json b/packages/calcite-components/package.json
index 0a9157385d0..5145e6081ac 100644
--- a/packages/calcite-components/package.json
+++ b/packages/calcite-components/package.json
@@ -72,7 +72,7 @@
     "interactjs": "1.10.27",
     "lodash-es": "4.17.21",
     "sortablejs": "1.15.3",
-    "timezone-groups": "0.9.1",
+    "timezone-groups": "0.10.0",
     "type-fest": "4.18.2"
   },
   "devDependencies": {