diff --git a/yarn.lock b/yarn.lock
index 29bf804..ba659a1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6081,10 +6081,14 @@ rx@2.3.24:
   version "2.3.24"
   resolved "https://registry.yarnpkg.com/rx/-/rx-2.3.24.tgz#14f950a4217d7e35daa71bbcbe58eff68ea4b2b7"
 
-safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+
 sass-graph@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.2.4.tgz#13fbd63cd1caf0908b9fd93476ad43a51d1e0b49"
@@ -6376,10 +6380,10 @@ sshpk@^1.7.0:
     tweetnacl "~0.14.0"
 
 ssri@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/ssri/-/ssri-5.0.0.tgz#13c19390b606c821f2a10d02b351c1729b94d8cf"
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-5.3.0.tgz#ba3872c9c6d33a0704a7d71ff045e5ec48999d06"
   dependencies:
-    safe-buffer "^5.1.0"
+    safe-buffer "^5.1.1"
 
 stackframe@^0.3.1:
   version "0.3.1"