diff --git a/yarn.lock b/yarn.lock
index 8933de6..4ee51c1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -618,8 +618,8 @@ abbrev@1:
   resolved "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
 
 acorn@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.npmjs.org/acorn/-/acorn-7.0.0.tgz#26b8d1cd9a9b700350b71c0905546f64d1284e7a"
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.1.1.tgz#e35668de0b402f359de515c5482a1ab9f89a69bf"
 
 ansi-regex@^2.0.0:
   version "2.1.1"