diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2c25332da..373bc75be5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ FEATURES:
 IMPROVEMENTS:
 
 * agent: Switched to using a read lock for the agent's RPC dispatcher, which prevents RPC calls from getting serialized. [GH-3376]
+* build: Upgraded Go version to 1.9. [GH-3428]
 
 BUG FIXES: