diff --git a/groups/storage-hdev-01/profiles/heritage-development-eu-west-2/vars b/groups/storage-hdev-01/profiles/heritage-development-eu-west-2/vars
index 977b573..b2c374c 100644
--- a/groups/storage-hdev-01/profiles/heritage-development-eu-west-2/vars
+++ b/groups/storage-hdev-01/profiles/heritage-development-eu-west-2/vars
@@ -11,7 +11,7 @@ application = "storage-dev-01"
 environment = "development"
 
 instance_count = 1
-instance_size = "t3.small"
+instance_size = "t3.medium"
 
 availability_zones = ["eu-west-2a","eu-west-2b"]
 
diff --git a/groups/storage-hdev-02/profiles/heritage-development-eu-west-2/vars b/groups/storage-hdev-02/profiles/heritage-development-eu-west-2/vars
index 1028715..ca38bbb 100644
--- a/groups/storage-hdev-02/profiles/heritage-development-eu-west-2/vars
+++ b/groups/storage-hdev-02/profiles/heritage-development-eu-west-2/vars
@@ -11,7 +11,7 @@ application = "storage-dev-02"
 environment = "development"
 
 instance_count = 1
-instance_size = "t3.small"
+instance_size = "t3.medium"
 
 availability_zones = ["eu-west-2a","eu-west-2b"]
 
diff --git a/groups/unix-hdev-01/profiles/heritage-development-eu-west-2/vars b/groups/unix-hdev-01/profiles/heritage-development-eu-west-2/vars
index f4ff4d0..ff84e39 100644
--- a/groups/unix-hdev-01/profiles/heritage-development-eu-west-2/vars
+++ b/groups/unix-hdev-01/profiles/heritage-development-eu-west-2/vars
@@ -11,7 +11,7 @@ application = "unix-dev-01"
 environment = "development"
 
 instance_count = 1
-instance_size = "t3.small"
+instance_size = "t3.medium"
 
 availability_zones = ["eu-west-2a","eu-west-2b"]
 
diff --git a/groups/unix-hdev-03/profiles/heritage-development-eu-west-2/vars b/groups/unix-hdev-03/profiles/heritage-development-eu-west-2/vars
index 364ac4a..336adbb 100644
--- a/groups/unix-hdev-03/profiles/heritage-development-eu-west-2/vars
+++ b/groups/unix-hdev-03/profiles/heritage-development-eu-west-2/vars
@@ -11,7 +11,7 @@ application = "unix-dev-03"
 environment = "development"
 
 instance_count = 1
-instance_size = "t3.small"
+instance_size = "t3.medium"
 
 availability_zones = ["eu-west-2a","eu-west-2b"]