diff --git a/extra/tzdata/checksums b/extra/tzdata/checksums
index b262b413..b637479f 100644
--- a/extra/tzdata/checksums
+++ b/extra/tzdata/checksums
@@ -1 +1 @@
-bd7ecd99cbb0a2f15bb7e38be2cbc04dced89922fce4ac0ffcd1ca844ba9362f
+97996d405c651d981288720f03b16e7ba9173c941728015de0cf681245bb7600
diff --git a/extra/tzdata/version b/extra/tzdata/version
index 2221e5ba..60b9a5ff 100644
--- a/extra/tzdata/version
+++ b/extra/tzdata/version
@@ -1 +1 @@
-2021a 1
+2021b 1