diff --git a/WORKSPACE.bazel b/WORKSPACE.bazel
index b36c860..bf3ad25 100644
--- a/WORKSPACE.bazel
+++ b/WORKSPACE.bazel
@@ -12,9 +12,9 @@ http_archive(
 
 http_archive(
     name = "rules_ecsact",
-    sha256 = "e6d888c63aa536b5b7c6af10d217cdb8ad98b2262fa9d02515a99edbd0d94eea",
-    strip_prefix = "rules_ecsact-0.2.1",
-    url = "https://github.com/ecsact-dev/rules_ecsact/archive/refs/tags/0.2.1.tar.gz",
+    sha256 = "60396407c11f8e6a3b3378f75498987495f8f34c6341b2984dea5f361a3a43e3",
+    strip_prefix = "rules_ecsact-0.4.2",
+    url = "https://github.com/ecsact-dev/rules_ecsact/archive/refs/tags/0.4.2.tar.gz",
 )
 
 http_archive(