diff --git a/scripts/ci/env.sh b/scripts/ci/env.sh
index 9bcc2a6f6d..6aa401a9b3 100755
--- a/scripts/ci/env.sh
+++ b/scripts/ci/env.sh
@@ -36,7 +36,7 @@ fi
 
 setEnvVar NODE_VERSION 6.9.5
 setEnvVar NPM_VERSION 3.10.7 # do not upgrade to >3.10.8 unless https://github.com/npm/npm/issues/14042 is resolved
-setEnvVar YARN_VERSION 0.21.3
+setEnvVar YARN_VERSION 0.24.6
 setEnvVar CHROMIUM_VERSION 464641 # Chrome 59 linux stable, see https://www.chromium.org/developers/calendar
 setEnvVar SAUCE_CONNECT_VERSION 4.3.11
 setEnvVar PROJECT_ROOT $(cd ${thisDir}/../..; pwd)