diff --git a/build/fuchsia/linux.sdk.sha1 b/build/fuchsia/linux.sdk.sha1
index be0b3472273bec..3a15d060d88ce3 100644
--- a/build/fuchsia/linux.sdk.sha1
+++ b/build/fuchsia/linux.sdk.sha1
@@ -1 +1 @@
-4.20210504.1.1
+4.20210504.3.1
diff --git a/build/fuchsia/mac.sdk.sha1 b/build/fuchsia/mac.sdk.sha1
index 8925ae1b27f537..3a15d060d88ce3 100644
--- a/build/fuchsia/mac.sdk.sha1
+++ b/build/fuchsia/mac.sdk.sha1
@@ -1 +1 @@
-4.20210504.0.1
+4.20210504.3.1