diff --git a/.spmignore b/.spmignore
new file mode 100644
index 0000000..ecfc81b
--- /dev/null
+++ b/.spmignore
@@ -0,0 +1,2 @@
+dist
+test
diff --git a/package.json b/package.json
index 7d59938..db5ec90 100755
--- a/package.json
+++ b/package.json
@@ -19,5 +19,8 @@
     "karma-jasmine": "~0.2.0",
     "karma-phantomjs-launcher": "^0.1.4",
     "karma-spec-reporter": "0.0.13"
+  },
+  "spm": {
+    "main": "src/echo.js"
   }
 }