diff --git a/Cargo.lock b/Cargo.lock
index 1599566080ea..9231535c6a26 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2610,7 +2610,7 @@ dependencies = [
 
 [[package]]
 name = "goose"
-version = "1.13.1"
+version = "1.13.2"
 dependencies = [
  "ahash",
  "anyhow",
@@ -2691,7 +2691,7 @@ dependencies = [
 
 [[package]]
 name = "goose-bench"
-version = "1.13.1"
+version = "1.13.2"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -2714,7 +2714,7 @@ dependencies = [
 
 [[package]]
 name = "goose-cli"
-version = "1.13.1"
+version = "1.13.2"
 dependencies = [
  "agent-client-protocol",
  "anstream",
@@ -2766,7 +2766,7 @@ dependencies = [
 
 [[package]]
 name = "goose-mcp"
-version = "1.13.1"
+version = "1.13.2"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -2832,7 +2832,7 @@ dependencies = [
 
 [[package]]
 name = "goose-server"
-version = "1.13.1"
+version = "1.13.2"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -2869,7 +2869,7 @@ dependencies = [
 
 [[package]]
 name = "goose-test"
-version = "1.13.1"
+version = "1.13.2"
 dependencies = [
  "clap",
  "serde_json",
diff --git a/Cargo.toml b/Cargo.toml
index 6b14434ff0b2..a6f288d4045a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ resolver = "2"
 
 [workspace.package]
 edition = "2021"
-version = "1.13.1"
+version = "1.13.2"
 authors = ["Block <ai-oss-tools@block.xyz>"]
 license = "Apache-2.0"
 repository = "https://github.com/block/goose"
diff --git a/crates/goose/src/agents/agent.rs b/crates/goose/src/agents/agent.rs
index 0d28297b0608..bae2e8cc9d70 100644
--- a/crates/goose/src/agents/agent.rs
+++ b/crates/goose/src/agents/agent.rs
@@ -394,6 +394,20 @@ impl Agent {
         cancellation_token: Option<CancellationToken>,
         session: &Session,
     ) -> (String, Result<ToolCallResult, ErrorData>) {
+        if session.session_type == crate::session::SessionType::SubAgent
+            && (tool_call.name == DYNAMIC_TASK_TOOL_NAME_PREFIX
+                || tool_call.name == SUBAGENT_EXECUTE_TASK_TOOL_NAME)
+        {
+            return (
+                request_id,
+                Err(ErrorData::new(
+                    ErrorCode::INVALID_REQUEST,
+                    "Subagents cannot create other subagents".to_string(),
+                    None,
+                )),
+            );
+        }
+
         if tool_call.name == PLATFORM_MANAGE_SCHEDULE_TOOL_NAME {
             let arguments = tool_call
                 .arguments
diff --git a/ui/desktop/package-lock.json b/ui/desktop/package-lock.json
index bfb9c5cdc9ae..f43d9b7435b4 100644
--- a/ui/desktop/package-lock.json
+++ b/ui/desktop/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "goose-app",
-  "version": "1.13.1",
+  "version": "1.13.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "goose-app",
-      "version": "1.13.1",
+      "version": "1.13.2",
       "license": "Apache-2.0",
       "dependencies": {
         "@ai-sdk/openai": "^2.0.52",
diff --git a/ui/desktop/package.json b/ui/desktop/package.json
index 6b6838d454d5..c39df073f096 100644
--- a/ui/desktop/package.json
+++ b/ui/desktop/package.json
@@ -1,7 +1,7 @@
 {
   "name": "goose-app",
   "productName": "Goose",
-  "version": "1.13.1",
+  "version": "1.13.2",
   "description": "Goose App",
   "engines": {
     "node": "^22.17.1"