diff --git a/release-al1.auto.pkrvars.hcl b/release-al1.auto.pkrvars.hcl
index 4542f2c..33644cc 100644
--- a/release-al1.auto.pkrvars.hcl
+++ b/release-al1.auto.pkrvars.hcl
@@ -1,5 +1,5 @@
 ami_version_al1    = "20240223"
-ecs_version_al1    = "1.51.0"
+ecs_version_al1    = "1.50.0"
 docker_version_al1 = "20.10.13"
 exec_ssm_version   = "3.2.1630.0"
 source_ami_al1     = "amzn-ami-minimal-hvm-2018.03.0.20231218.0-x86_64-ebs"