diff --git a/backend/yarn.lock b/backend/yarn.lock
index 705854f..20ac8ea 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -1871,11 +1871,16 @@ copy-descriptor@^0.1.0:
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
-core-util-is@1.0.2, core-util-is@~1.0.0:
+core-util-is@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
+core-util-is@~1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.3.tgz#a6042d3634c2b27e9328f837b965fac83808db85"
+  integrity sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==
+
 crc32-stream@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/crc32-stream/-/crc32-stream-2.0.0.tgz#e3cdd3b4df3168dd74e3de3fbbcb7b297fe908f4"
@@ -3882,9 +3887,9 @@ jsprim@^1.2.2:
     verror "1.10.0"
 
 jszip@^3.5.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.5.0.tgz#b4fd1f368245346658e781fec9675802489e15f6"
-  integrity sha512-WRtu7TPCmYePR1nazfrtuF216cIVon/3GWOvHS9QR5bIwSbnxtdpma6un3jyGGNhHsKCSzn5Ypk+EkDRvTGiFA==
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.7.1.tgz#bd63401221c15625a1228c556ca8a68da6fda3d9"
+  integrity sha512-ghL0tz1XG9ZEmRMcEN2vt7xabrDdqHHeykgARpmZ0BiIctWxM47Vt63ZO2dnp4QYt/xJVLLy5Zv1l/xRdh2byg==
   dependencies:
     lie "~3.3.0"
     pako "~1.0.2"