diff --git a/build/fuchsia/linux.sdk.sha1 b/build/fuchsia/linux.sdk.sha1
index 3eef1759b9232f..18f0fbf8540cfc 100644
--- a/build/fuchsia/linux.sdk.sha1
+++ b/build/fuchsia/linux.sdk.sha1
@@ -1 +1 @@
-6.20210929.0.1
+6.20210929.2.1
diff --git a/build/fuchsia/mac.sdk.sha1 b/build/fuchsia/mac.sdk.sha1
index ee797fc822fb32..18f0fbf8540cfc 100644
--- a/build/fuchsia/mac.sdk.sha1
+++ b/build/fuchsia/mac.sdk.sha1
@@ -1 +1 @@
-6.20210929.1.1
+6.20210929.2.1