diff --git a/ui/package.json b/ui/package.json
index 77400eb..f0ff814 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -26,7 +26,7 @@
     "graphlib": "2.1.8",
     "json-schema-editor-vue": "2.0.2",
     "just-kebab-case": "1.1.0",
-    "less": "3.13.1",
+    "less": "4.1.2",
     "less-loader": "5.0.0",
     "lodash": "4.17.21",
     "luxon": "1.28.0",
diff --git a/ui/yarn.lock b/ui/yarn.lock
index d18492a..6bb3fb8 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -6919,10 +6919,10 @@ human-signals@^1.1.1:
   resolved "https://registry.yarnpkg.com/human-signals/-/human-signals-1.1.1.tgz#c5b1cd14f50aeae09ab6c59fe63ba3395fe4dfa3"
   integrity "sha1-xbHNFPUK6uCatsWf5jujOV/k36M= sha512-SEQu7vl8KjNL2eoGBLF3+wAjpsNfA9XMlXAYj/3EdaNfAlxKthD1xjEQfGOUhllCGGJVNY34bRr6lPINhNjyZw=="
 
-iconv-lite@0.4.24, iconv-lite@^0.4.24:
+iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
-  integrity "sha1-ICK0sl+93CHS9SSXSkdKr+czkIs= sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA=="
+  integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
@@ -8440,20 +8440,21 @@ less-loader@5.0.0:
     loader-utils "^1.1.0"
     pify "^4.0.1"
 
-less@3.13.1:
-  version "3.13.1"
-  resolved "https://registry.yarnpkg.com/less/-/less-3.13.1.tgz#0ebc91d2a0e9c0c6735b83d496b0ab0583077909"
-  integrity sha512-SwA1aQXGUvp+P5XdZslUOhhLnClSLIjWvJhmd+Vgib5BFIr9lMNlQwmwUNOjXThF/A0x+MCYYPeWEfeWiLRnTw==
+less@4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/less/-/less-4.1.2.tgz#6099ee584999750c2624b65f80145f8674e4b4b0"
+  integrity sha512-EoQp/Et7OSOVu0aJknJOtlXZsnr8XE8KwuzTHOLeVSEx8pVWUICc8Q0VYRHgzyjX78nMEyC/oztWFbgyhtNfDA==
   dependencies:
     copy-anything "^2.0.1"
-    tslib "^1.10.0"
+    parse-node-version "^1.0.1"
+    tslib "^2.3.0"
   optionalDependencies:
     errno "^0.1.1"
     graceful-fs "^4.1.2"
     image-size "~0.5.0"
     make-dir "^2.1.0"
     mime "^1.4.1"
-    native-request "^1.0.5"
+    needle "^2.5.2"
     source-map "~0.6.0"
 
 leven@^3.1.0:
@@ -9301,16 +9302,20 @@ nanopop@^2.1.0:
   resolved "https://registry.yarnpkg.com/nanopop/-/nanopop-2.1.0.tgz#23476513cee2405888afd2e8a4b54066b70b9e60"
   integrity "sha1-I0dlE87iQFiIr9LopLVAZrcLnmA= sha512-jGTwpFRexSH+fxappnGQtN9dspgE2ipa1aOjtR24igG0pv6JCxImIAmrLRHX+zUF5+1wtsFVbKyfP51kIGAVNw=="
 
-native-request@^1.0.5:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/native-request/-/native-request-1.1.0.tgz#acdb30fe2eefa3e1bc8c54b3a6852e9c5c0d3cb0"
-  integrity sha512-uZ5rQaeRn15XmpgE0xoPL8YWqcX90VtCFglYwAgkvKM5e8fog+vePLAhHxuuv/gRkrQxIeh5U3q9sMNUrENqWw==
-
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
   integrity "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc= sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw=="
 
+needle@^2.5.2:
+  version "2.9.1"
+  resolved "https://registry.yarnpkg.com/needle/-/needle-2.9.1.tgz#22d1dffbe3490c2b83e301f7709b6736cd8f2684"
+  integrity sha512-6R9fqJ5Zcmf+uYaFgdIHmLwNldn5HbK8L5ybn7Uz+ylX/rnOsSp1AHcvQSrCaFN+qNM1wpymHqD7mVasEOlHGQ==
+  dependencies:
+    debug "^3.2.6"
+    iconv-lite "^0.4.4"
+    sax "^1.2.4"
+
 negotiator@0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
@@ -9888,6 +9893,11 @@ parse-json@^5.0.0:
     json-parse-even-better-errors "^2.3.0"
     lines-and-columns "^1.1.6"
 
+parse-node-version@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parse-node-version/-/parse-node-version-1.0.1.tgz#e2b5dbede00e7fa9bc363607f53327e8b073189b"
+  integrity sha512-3YHlOa/JgH6Mnpr05jP9eDG254US9ek25LyIxZlDItp2iJtwyaXQb57lBYLdT3MowkUFYEV2XXNAYIPlESvJlA==
+
 parse5-htmlparser2-tree-adapter@^6.0.0:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/parse5-htmlparser2-tree-adapter/-/parse5-htmlparser2-tree-adapter-6.0.1.tgz#2cdf9ad823321140370d4dbf5d3e92c7c8ddc6e6"
@@ -12561,12 +12571,12 @@ tsconfig@^7.0.0:
     strip-bom "^3.0.0"
     strip-json-comments "^2.0.0"
 
-tslib@^1.10.0, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
+tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2.1.0:
+tslib@^2.1.0, tslib@^2.3.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
   integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==