diff --git a/crates/caldav/src/calendar/snapshots/rustical_caldav__calendar__tests__propfind-2.snap b/crates/caldav/src/calendar/snapshots/rustical_caldav__calendar__tests__propfind-2.snap
index ae18cd7..e5c79ca 100644
--- a/crates/caldav/src/calendar/snapshots/rustical_caldav__calendar__tests__propfind-2.snap
+++ b/crates/caldav/src/calendar/snapshots/rustical_caldav__calendar__tests__propfind-2.snap
@@ -12,7 +12,7 @@ PRODID:-//github.com/lennart-k/vzic-rs//RustiCal Calendar server//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
 TZID:Europe/Berlin
-LAST-MODIFIED:20250723T190331Z
+LAST-MODIFIED:20260124T170238Z
 X-LIC-LOCATION:Europe/Berlin
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
diff --git a/src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__multiget_body.snap b/src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__multiget_body.snap
index a247147..06d31c1 100644
--- a/src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__multiget_body.snap
+++ b/src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__multiget_body.snap
@@ -8,7 +8,7 @@ expression: body
         <href>/caldav/principal/user/calendar/qwue23489.ics</href>
         <propstat>
             <prop>
-                <getetag>&quot;aea50382a7775bb9742bfec277382e3a260b6066f503b5f5ae34548d7215ee46&quot;</getetag>
+                <getetag>&quot;f781224669f0db2674e9e45a9be2b01774c02136e3fb72792ef217bccf49fafa&quot;</getetag>
             </prop>
             <status>HTTP/1.1 200 OK</status>
         </propstat>
diff --git a/src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__propfind_body.snap b/src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__propfind_body.snap
index bc4c51b..395146e 100644
--- a/src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__propfind_body.snap
+++ b/src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__propfind_body.snap
@@ -14,9 +14,10 @@ expression: body
 PRODID:-//github.com/lennart-k/vzic-rs//RustiCal Calendar server//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:America/New_York
-LAST-MODIFIED:20250723T190331Z
-X-LIC-LOCATION:America/New_York
+TZID:US/Eastern
+TZID-ALIAS-OF:America/New_York
+LAST-MODIFIED:20260124T170238Z
+X-LIC-LOCATION:US/Eastern
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
 TZNAME:EST