diff --git a/package.json b/package.json
index 3222b53..b0089ab 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "router": "^1.3.3",
     "server": "^1.0.19",
     "sqlite3": "^4.1.0",
-    "yarn": "^1.19.1"
+    "yarn": "^1.22.0"
   },
   "devDependencies": {
     "supertest": "^4.0.2"
diff --git a/yarn.lock b/yarn.lock
index 7d329b7..5357e6b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5885,10 +5885,10 @@ yargs@~3.10.0:
     decamelize "^1.0.0"
     window-size "0.1.0"
 
-yarn@^1.19.1:
-  version "1.19.1"
-  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.19.1.tgz#14b92410dd1ba5bab87a12b4a3d807f4569bea97"
-  integrity sha512-gBnfbL9rYY05Gt0cjJhs/siqQXHYlZalTjK3nXn2QO20xbkIFPob+LlH44ML47GcR4VU9/2dYck1BWFM0Javxw==
+yarn@^1.22.0:
+  version "1.22.0"
+  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.22.0.tgz#acf82906e36bcccd1ccab1cfb73b87509667c881"
+  integrity sha512-KMHP/Jq53jZKTY9iTUt3dIVl/be6UPs2INo96+BnZHLKxYNTfwMmlgHTaMWyGZoO74RI4AIFvnWhYrXq2USJkg==
 
 yeast@0.1.2:
   version "0.1.2"