diff --git a/pkgs/applications/virtualization/ecs-agent/default.nix b/pkgs/applications/virtualization/ecs-agent/default.nix
index 9ad13b8768d6..0bc1d5bb2098 100644
--- a/pkgs/applications/virtualization/ecs-agent/default.nix
+++ b/pkgs/applications/virtualization/ecs-agent/default.nix
@@ -2,7 +2,7 @@
 
 buildGoPackage rec {
   pname   = "amazon-ecs-agent";
-  version = "1.65.1";
+  version = "1.66.1";
 
   goPackagePath = "github.com/aws/${pname}";
   subPackages   = [ "agent" ];
@@ -11,7 +11,7 @@ buildGoPackage rec {
     rev    = "v${version}";
     owner  = "aws";
     repo   = pname;
-    sha256 = "sha256-IsbY2ZQQq8eOhdT/ws1Yu7YlnQOyjhDaIr1knOHB4Yc=";
+    sha256 = "sha256-XMgZLjNGLKmyQ7QlWcDqWW8chBUyVWKHqCFkS3Xkyyw=";
   };
 
   meta = with lib; {