diff --git a/package.json b/package.json
index 53060d8b6f..b2fea3c8a6 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,12 @@
     "all": true,
     "include": [
       "dist/**/*.js"
-    ]
+    ],
+    "exclude": [
+      "dist/bin",
+      "dist/migrations"
+    ],
+    "exclude-after-remap": false
   },
   "ava": {
     "files": [
diff --git a/snapshots/src/lib/addons/slack.test.js.md b/snapshots/src/lib/addons/slack.test.js.md
new file mode 100644
index 0000000000..f1e237a0b7
--- /dev/null
+++ b/snapshots/src/lib/addons/slack.test.js.md
@@ -0,0 +1,11 @@
+# Snapshot report for `src/lib/addons/slack.test.js`
+
+The actual snapshot is saved in `slack.test.js.snap`.
+
+Generated by [AVA](https://avajs.dev).
+
+## Should call slack webhook
+
+> Snapshot 1
+
+    '{"username":"Unleash","icon_emoji":":unleash:","text":"some@user.com created feature toggle <http://some-url.com/#/features/strategies/some-toggle|some-toggle>\\n*Enabled*: no | *Type*: undefined | *Project*: undefined\\n*Activation strategies*: ```- name: default\\n```","channel":"#undefined","attachments":[{"actions":[{"name":"featureToggle","text":"Open in Unleash","type":"button","value":"featureToggle","style":"primary","url":"http://some-url.com/#/features/strategies/some-toggle"}]}]}'
diff --git a/snapshots/src/lib/addons/slack.test.js.snap b/snapshots/src/lib/addons/slack.test.js.snap
new file mode 100644
index 0000000000..0b80da9cf3
Binary files /dev/null and b/snapshots/src/lib/addons/slack.test.js.snap differ
diff --git a/tsconfig.json b/tsconfig.json
index 52ce541dcb..c06fa40edb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -56,6 +56,7 @@
     // "mapRoot": "",                         /* Specify the location where debugger should locate map files instead of generated locations. */
     // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
     // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+    "sourceMap": true,
     /* Experimental Options */
     // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
     // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */