diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
new file mode 100644
index 00000000000..0fb245803d8
--- /dev/null
+++ b/CODE_OF_CONDUCT.md
@@ -0,0 +1,3 @@
+# Code of Conduct
+
+Facebook has adopted a Code of Conduct that we expect project participants to adhere to. Please [read the full text](https://code.fb.com/codeofconduct/) so that you can understand what actions will and will not be tolerated.
diff --git a/README.md b/README.md
index c7ec2a88e3c..dbbf71491f1 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,11 @@ or, if you prefer Gradle,
     $ ./gradlew :sample:installDebug
 
 ## Contributing
+
+Before contributing to Litho, please first read the the [Code of
+Conduct](https://code.facebook.com/codeofconduct) that we expect
+project participants to adhere to.
+
 For pull requests, please see our [CONTRIBUTING](CONTRIBUTING.md) guide.
 
 See our [issues](https://github.com/facebook/litho/issues/) page for ideas on how to contribute or to let us know of any problems.