diff --git a/package.json b/package.json
index 7a34b77..c374f7d 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "simple-statistics": "^6.1.0",
     "toxiproxy-node-client": "^2.0.6",
     "util": "^0.11.0",
-    "yarn": "^1.17.3"
+    "yarn": "^1.22.0"
   },
   "main": "pinguno.js",
   "bin": {
diff --git a/yarn.lock b/yarn.lock
index ddf29bd..253c644 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2159,6 +2159,6 @@ write@^1.0.3:
   dependencies:
     mkdirp "^0.5.1"
 
-yarn@^1.17.3:
-  version "1.17.3"
-  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.17.3.tgz#60e0b77d079eb78e753bb616f7592b51b6a9adce"
+yarn@^1.22.0:
+  version "1.22.0"
+  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.22.0.tgz#acf82906e36bcccd1ccab1cfb73b87509667c881"