diff --git a/react_app/yarn.lock b/react_app/yarn.lock
index 143f8ab..8b4988f 100644
--- a/react_app/yarn.lock
+++ b/react_app/yarn.lock
@@ -1766,12 +1766,11 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     sha.js "^2.4.8"
 
 cross-fetch@^3.0.1:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-3.0.4.tgz#7bef7020207e684a7638ef5f2f698e24d9eb283c"
-  integrity sha512-MSHgpjQqgbT/94D4CyADeNoYh52zMkCX4pcJvPP5WqPsLFMKjr2TCMg381ox5qI0ii2dPwaLx/00477knXqXVw==
+  version "3.1.5"
+  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-3.1.5.tgz#e1389f44d9e7ba767907f7af8454787952ab534f"
+  integrity sha512-lvb1SBsI0Z7GDwmuid+mU3kWVBwTVUbe7S0H52yaaAdQOXq2YktTCZdlAcNKFzE6QtRz0snpw9bNiPeOIkkQvw==
   dependencies:
-    node-fetch "2.6.0"
-    whatwg-fetch "3.0.0"
+    node-fetch "2.6.7"
 
 cross-spawn@5.1.0, cross-spawn@^5.0.1, cross-spawn@^5.1.0:
   version "5.1.0"
@@ -4811,10 +4810,12 @@ no-case@^2.2.0:
   dependencies:
     lower-case "^1.1.1"
 
-node-fetch@2.6.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
-  integrity sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==
+node-fetch@2.6.7:
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
+  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
+  dependencies:
+    whatwg-url "^5.0.0"
 
 node-forge@0.7.5:
   version "0.7.5"
@@ -7089,6 +7090,7 @@ tough-cookie@~2.4.3:
 tr46@~0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+  integrity sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o=
 
 trim-newlines@^1.0.0:
   version "1.0.0"
@@ -7390,6 +7392,7 @@ wbuf@^1.1.0, wbuf@^1.7.2:
 webidl-conversions@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+  integrity sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE=
 
 webidl-conversions@^4.0.0:
   version "4.0.2"
@@ -7503,11 +7506,6 @@ whatwg-fetch@2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
 
-whatwg-fetch@3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz#fc804e458cc460009b1a2b966bc8817d2578aefb"
-  integrity sha512-9GSJUgz1D4MfyKU7KRqwOjXCXTqWdFNvEr7eUBYchQiVc744mqK/MzXPNR2WsPkmkOa4ywfg8C2n8h+13Bey1Q==
-
 whatwg-url@^4.3.0:
   version "4.8.0"
   resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-4.8.0.tgz#d2981aa9148c1e00a41c5a6131166ab4683bbcc0"
@@ -7515,6 +7513,14 @@ whatwg-url@^4.3.0:
     tr46 "~0.0.3"
     webidl-conversions "^3.0.0"
 
+whatwg-url@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
+  integrity sha1-lmRU6HZUYuN2RNNib2dCzotwll0=
+  dependencies:
+    tr46 "~0.0.3"
+    webidl-conversions "^3.0.0"
+
 whet.extend@~0.9.9:
   version "0.9.9"
   resolved "https://registry.yarnpkg.com/whet.extend/-/whet.extend-0.9.9.tgz#f877d5bf648c97e5aa542fadc16d6a259b9c11a1"