diff --git a/dist/index.js b/dist/index.js
index 8ed66143..4573f4db 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -62847,7 +62847,7 @@ async function startEc2Instance(label, githubRegistrationToken) {
     IamInstanceProfile: { Name: config.input.iamRoleName },
     TagSpecifications: config.tagSpecifications,
     Placement: {
-      Tenancy: 'dedicated'
+      Tenancy: 'host'
     }
   };
 
diff --git a/src/aws.js b/src/aws.js
index 92a4a87a..cb7bd4ff 100644
--- a/src/aws.js
+++ b/src/aws.js
@@ -47,7 +47,7 @@ async function startEc2Instance(label, githubRegistrationToken) {
     IamInstanceProfile: { Name: config.input.iamRoleName },
     TagSpecifications: config.tagSpecifications,
     Placement: {
-      Tenancy: 'dedicated'
+      Tenancy: 'host'
     }
   };