diff --git a/bin/cache/dart-sdk.version b/bin/cache/dart-sdk.version
index b5e3db02d4..42f1ec5d32 100644
--- a/bin/cache/dart-sdk.version
+++ b/bin/cache/dart-sdk.version
@@ -1 +1 @@
-1.18.0-dev.4.2
+1.18.0-dev.4.0