diff --git a/yarn.lock b/yarn.lock
index 1a1f6af..2e6ea2a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3748,18 +3748,13 @@ setprototypeof@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.2.0.tgz#66c9a24a73f9fc28cbe66b09fed3d33dcaf1b424"
 
-sha.js@^2.4.0, sha.js@^2.4.8:
-  version "2.4.8"
-  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.8.tgz#37068c2c476b6baf402d14a49c67f597921f634f"
+sha.js@^2.4.0, sha.js@^2.4.11, sha.js@^2.4.8:
+  version "2.4.12"
+  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.12.tgz#eb8b568bf383dfd1867a32c3f2b74eb52bdbf23f"
   dependencies:
-    inherits "^2.0.1"
-
-sha.js@^2.4.11:
-  version "2.4.11"
-  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
-  dependencies:
-    inherits "^2.0.1"
-    safe-buffer "^5.0.1"
+    inherits "^2.0.4"
+    safe-buffer "^5.2.1"
+    to-buffer "^1.2.0"
 
 shelljs@^0.8.5:
   version "0.8.5"