diff --git a/package-lock.json b/package-lock.json
index 0350b58..91c09c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1016,6 +1016,17 @@
         }
       }
     },
+    "clone-deep": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/clone-deep/-/clone-deep-4.0.1.tgz",
+      "integrity": "sha512-neHB9xuzh/wk0dIHweyAXv2aPGZIVk3pLMe+/RNzINf17fe0OG96QroktYAUm7SM1PBnzTabaLboqqxDyMU+SQ==",
+      "dev": true,
+      "requires": {
+        "is-plain-object": "^2.0.4",
+        "kind-of": "^6.0.2",
+        "shallow-clone": "^3.0.0"
+      }
+    },
     "collection-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
@@ -4971,6 +4982,15 @@
         "safe-buffer": "^5.0.1"
       }
     },
+    "shallow-clone": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/shallow-clone/-/shallow-clone-3.0.1.tgz",
+      "integrity": "sha512-/6KqX+GVUdqPuPPd2LxDDxzX6CAbjJehAAOKlNpqqUpAqPM6HeL8f+o3a+JsyGjn2lv0WY8UsTgUJjU9Ok55NA==",
+      "dev": true,
+      "requires": {
+        "kind-of": "^6.0.2"
+      }
+    },
     "shebang-command": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
@@ -6383,12 +6403,14 @@
       }
     },
     "webpack-merge": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-4.2.2.tgz",
-      "integrity": "sha512-TUE1UGoTX2Cd42j3krGYqObZbOD+xF7u28WB7tfUordytSjbWTIjK/8V0amkBfTYN4/pB/GIDlJZZ657BGG19g==",
+      "version": "5.10.0",
+      "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-5.10.0.tgz",
+      "integrity": "sha512-+4zXKdx7UnO+1jaN4l2lHVD+mFvnlZQP/6ljaJVb4SZiwIKeUnrT5l0gkT8z+n4hKpC+jpOv6O9R+gLtag7pSA==",
       "dev": true,
       "requires": {
-        "lodash": "^4.17.15"
+        "clone-deep": "^4.0.1",
+        "flat": "^5.0.2",
+        "wildcard": "^2.0.0"
       }
     },
     "webpack-node-externals": {
@@ -6430,6 +6452,12 @@
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
       "dev": true
     },
+    "wildcard": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/wildcard/-/wildcard-2.0.1.tgz",
+      "integrity": "sha512-CC1bOL87PIWSBhDcTrdeLo6eGT7mCFtrg0uIJtqJUFyK+eJnzl8A1niH56uu7KMa5XFrtiV+AQuHO3n7DsHnLQ==",
+      "dev": true
+    },
     "winston": {
       "version": "3.8.2",
       "resolved": "https://registry.npmjs.org/winston/-/winston-3.8.2.tgz",
diff --git a/package.json b/package.json
index d45841a..26e4121 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "testdouble": "^3.12.2",
     "webpack-cli": "^3.3.9",
     "webpack": "^4.41.2",
-    "webpack-merge": "^4.2.2",
+    "webpack-merge": "^5.10.0",
     "webpack-node-externals": "^3.0.0"
   },
   "engines": {