diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000000000000000000000000000000000000..4581b014753a2bc9587a39337281c26b3a4d5d2f
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,8 @@
+People who have agreed to the
+[Cesanta CLA](https://docs.cesanta.com/contributors_la.shtml)
+can make contributions. Note that the CLA isn't a copyright
+_assigment_ but rather a copyright _license_.
+You retain the copyright on your contributions.
+
+We follow the Google C/C++ style guide: https://google.github.io/styleguide/cppguide.html
+We'd appreciate if your contribution follows the same style guide.