diff --git a/extern/icu/tzdata/be.zip b/extern/icu/tzdata/be.zip
index 672d4b6d4cc..84ea44aec72 100644
Binary files a/extern/icu/tzdata/be.zip and b/extern/icu/tzdata/be.zip differ
diff --git a/extern/icu/tzdata/le.zip b/extern/icu/tzdata/le.zip
index 28601b8fee0..4ea6113b5eb 100644
Binary files a/extern/icu/tzdata/le.zip and b/extern/icu/tzdata/le.zip differ
diff --git a/extern/icu/tzdata/version.txt b/extern/icu/tzdata/version.txt
index 699e50d4d38..0846b7f265f 100644
--- a/extern/icu/tzdata/version.txt
+++ b/extern/icu/tzdata/version.txt
@@ -1 +1 @@
-2024b
+2025a
diff --git a/src/common/TimeZones.h b/src/common/TimeZones.h
index 2a2c9c7e3cb..e01cbab0f2a 100644
--- a/src/common/TimeZones.h
+++ b/src/common/TimeZones.h
@@ -1,6 +1,6 @@
 // The content of this file is generated with help of update-ids utility Do not edit.
 
-static const char* BUILTIN_TIME_ZONE_VERSION = "2024b";
+static const char* BUILTIN_TIME_ZONE_VERSION = "2025a";
 
 // Do not change order of items in this array! The index corresponds to a TimeZone ID, which must be fixed!
 static const char* BUILTIN_TIME_ZONE_LIST[] = {