diff --git a/.gitignore b/.gitignore
index fee2a31cd..8018759c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,11 @@ Coverage
 *.gcno
 *.gcda
 
+/yotta_modules
+/yotta_targets
+/build
+/.yotta.json
+
 # generated by scripts/memory.sh
 massif-*
 
diff --git a/module.json b/module.json
new file mode 100644
index 000000000..5f1e4eec4
--- /dev/null
+++ b/module.json
@@ -0,0 +1,16 @@
+{
+    "name": "mbedtls",
+    "version": "1.5.0-alpha1",
+    "licenses":[{
+        "type": "GPL-2.0",
+        "url": "https://spdx.org/licenses/GPL-2.0"
+    }],
+    "extraIncludes": ["include"],
+    "dependencies":{
+    },
+    "targetDependencies": {
+        "arm": {
+            "mbed": "ARMmbed/mbed-sdk"
+        }
+    }
+}