diff --git a/package.json b/package.json
index f97dd1286..f4af37344 100644
--- a/package.json
+++ b/package.json
@@ -154,7 +154,7 @@
     "sass-loader": "^8.0.0",
     "stringz": "^2.0.0",
     "substring-trie": "^1.0.2",
-    "terser-webpack-plugin": "^2.2.1",
+    "terser-webpack-plugin": "^2.2.2",
     "tesseract.js": "^2.0.0-alpha.16",
     "throng": "^4.0.0",
     "tiny-queue": "^0.2.1",
diff --git a/yarn.lock b/yarn.lock
index ae07ea298..65dbb41c3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4425,10 +4425,10 @@ find-cache-dir@^2.0.0, find-cache-dir@^2.1.0:
     make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
-find-cache-dir@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-3.0.0.tgz#cd4b7dd97b7185b7e17dbfe2d6e4115ee3eeb8fc"
-  integrity sha512-t7ulV1fmbxh5G9l/492O1p5+EBbr3uwpt6odhFTMc+nWyhmbloe+ja9BZ8pIBtqFWhOmCWVjx+pTW4zDkFoclw==
+find-cache-dir@^3.0.0, find-cache-dir@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-3.1.0.tgz#9935894999debef4cf9f677fdf646d002c4cdecb"
+  integrity sha512-zw+EFiNBNPgI2NTrKkDd1xd7q0cs6wr/iWnr/oUkI0yF9K9GqQ+riIt4aiyFaaqpaWbxPrJXHI+QvmNUQbX+0Q==
   dependencies:
     commondir "^1.0.1"
     make-dir "^3.0.0"
@@ -9475,10 +9475,10 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
-schema-utils@^2.0.0, schema-utils@^2.1.0, schema-utils@^2.5.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.5.0.tgz#8f254f618d402cc80257486213c8970edfd7c22f"
-  integrity sha512-32ISrwW2scPXHUSusP8qMg5dLUawKkyV+/qIEV9JdXKx+rsM6mi8vZY8khg2M69Qom16rtroWXD3Ybtiws38gQ==
+schema-utils@^2.0.0, schema-utils@^2.1.0, schema-utils@^2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.1.tgz#eb78f0b945c7bcfa2082b3565e8db3548011dc4f"
+  integrity sha512-0WXHDs1VDJyo+Zqs9TKLKyD/h7yDpHUhEFsM2CzkICFdoX1av+GBq/J2xRTFfsQO5kBfhZzANf2VcIm84jqDbg==
   dependencies:
     ajv "^6.10.2"
     ajv-keywords "^3.4.1"
@@ -9542,10 +9542,10 @@ serialize-javascript@^1.4.0, serialize-javascript@^1.7.0:
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.9.1.tgz#cfc200aef77b600c47da9bb8149c943e798c2fdb"
   integrity sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==
 
-serialize-javascript@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-2.1.0.tgz#9310276819efd0eb128258bb341957f6eb2fc570"
-  integrity sha512-a/mxFfU00QT88umAJQsNWOnUKckhNCqOl028N48e7wFmo2/EHpTo9Wso+iJJCMrQnmFvcjto5RJdAHEvVhcyUQ==
+serialize-javascript@^2.1.0, serialize-javascript@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-2.1.1.tgz#952907a04a3e3a75af7f73d92d15e233862048b2"
+  integrity sha512-MPLPRpD4FNqWq9tTIjYG5LesFouDhdyH0EPY3gVK4DRD5+g4aDqdNSzLIwceulo3Yj+PL1bPh6laE5+H6LTcrQ==
 
 serve-index@^1.9.1:
   version "1.9.1"
@@ -10229,24 +10229,24 @@ terser-webpack-plugin@^1.4.1:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser-webpack-plugin@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-2.2.1.tgz#5569e6c7d8be79e5e43d6da23acc3b6ba77d22bd"
-  integrity sha512-jwdauV5Al7zopR6OAYvIIRcxXCSvLjZjr7uZE8l2tIWb/ryrGN48sJftqGf5k9z09tWhajx53ldp0XPI080YnA==
+terser-webpack-plugin@^2.2.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-2.2.2.tgz#2a6e00237125564a455ad69b22e08ee59420473a"
+  integrity sha512-/CHMNswPMAwuD2kd++qys8UmBRmsshPSzHw4BlDwurPtK9YjeK93OV89YWkJulHk972cs07K/7Z92V6PNjWF8A==
   dependencies:
     cacache "^13.0.1"
-    find-cache-dir "^3.0.0"
+    find-cache-dir "^3.1.0"
     jest-worker "^24.9.0"
-    schema-utils "^2.5.0"
-    serialize-javascript "^2.1.0"
+    schema-utils "^2.6.1"
+    serialize-javascript "^2.1.1"
     source-map "^0.6.1"
-    terser "^4.3.9"
+    terser "^4.4.2"
     webpack-sources "^1.4.3"
 
-terser@^4.1.2, terser@^4.3.9:
-  version "4.3.9"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.3.9.tgz#e4be37f80553d02645668727777687dad26bbca8"
-  integrity sha512-NFGMpHjlzmyOtPL+fDw3G7+6Ueh/sz4mkaUYa4lJCxOPTNzd0Uj0aZJOmsDYoSQyfuVoWDMSWTPU3huyOm2zdA==
+terser@^4.1.2, terser@^4.4.2:
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.4.2.tgz#448fffad0245f4c8a277ce89788b458bfd7706e8"
+  integrity sha512-Uufrsvhj9O1ikwgITGsZ5EZS6qPokUOkCegS7fYOdGTv+OA90vndUbU6PEjr5ePqHfNUbGyMO7xyIZv2MhsALQ==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"