diff --git a/rust/forevervm/src/commands/machine.rs b/rust/forevervm/src/commands/machine.rs
index 7c0f9cf..0834784 100644
--- a/rust/forevervm/src/commands/machine.rs
+++ b/rust/forevervm/src/commands/machine.rs
@@ -42,13 +42,13 @@ pub async fn machine_list(tags: std::collections::HashMap<String, String>) -> an
     Ok(())
 }
 
-pub async fn machine_new(tags: std::collections::HashMap<String, String>) -> anyhow::Result<()> {
+pub async fn machine_new(
+    tags: std::collections::HashMap<String, String>,
+    memory_mb: Option<u32>,
+) -> anyhow::Result<()> {
     let client = ConfigManager::new()?.client()?;
 
-    let request = CreateMachineRequest {
-        tags,
-        memory_mb: None,
-    };
+    let request = CreateMachineRequest { tags, memory_mb };
     let machine = client.create_machine(request).await?;
 
     println!(
diff --git a/rust/forevervm/src/main.rs b/rust/forevervm/src/main.rs
index 5f53242..3e2b8eb 100644
--- a/rust/forevervm/src/main.rs
+++ b/rust/forevervm/src/main.rs
@@ -67,6 +67,10 @@ enum MachineCommands {
         /// Add tags to the machine in the format key=value
         #[arg(long = "tag", value_parser = parse_key_val, action = clap::ArgAction::Append)]
         tags: Option<Vec<(String, String)>>,
+
+        /// Memory size in MB (if not specified, a default value will be used)
+        #[arg(long)]
+        memory_mb: Option<u32>,
     },
     /// List all machines
     List {
@@ -95,11 +99,11 @@ async fn main_inner() -> anyhow::Result<()> {
             whoami().await?;
         }
         Commands::Machine { command } => match command {
-            MachineCommands::New { tags } => {
+            MachineCommands::New { tags, memory_mb } => {
                 let tags_map = tags
                     .map(|tags| tags.into_iter().collect::<HashMap<String, String>>())
                     .unwrap_or_default();
-                machine_new(tags_map).await?;
+                machine_new(tags_map, memory_mb).await?;
             }
             MachineCommands::List { tags } => {
                 let tags_map = tags