diff --git a/package.json b/package.json
index 19d488e..6b83101 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "webpack": "4.32.0",
     "webpack-cli": "3.3.2",
     "webpack-dev-server": "3.4.1",
-    "webpack-merge": "4.2.1"
+    "webpack-merge": "5.0.9"
   },
   "dependencies": {
     "vue": "^2.6.10"
diff --git a/yarn.lock b/yarn.lock
index fcd5ff1..444716b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1412,6 +1412,15 @@ cliui@^4.0.0:
     strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
+clone-deep@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/clone-deep/-/clone-deep-4.0.1.tgz#c19fd9bdbbf85942b4fd979c84dcf7d5f07c2387"
+  integrity sha512-neHB9xuzh/wk0dIHweyAXv2aPGZIVk3pLMe+/RNzINf17fe0OG96QroktYAUm7SM1PBnzTabaLboqqxDyMU+SQ==
+  dependencies:
+    is-plain-object "^2.0.4"
+    kind-of "^6.0.2"
+    shallow-clone "^3.0.0"
+
 code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
@@ -3344,7 +3353,7 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash@^4.17.11, lodash@^4.17.5:
+lodash@^4.17.11:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
@@ -4804,6 +4813,13 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+shallow-clone@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/shallow-clone/-/shallow-clone-3.0.1.tgz#8f2981ad92531f55035b01fb230769a40e02efa3"
+  integrity sha512-/6KqX+GVUdqPuPPd2LxDDxzX6CAbjJehAAOKlNpqqUpAqPM6HeL8f+o3a+JsyGjn2lv0WY8UsTgUJjU9Ok55NA==
+  dependencies:
+    kind-of "^6.0.2"
+
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
@@ -5588,12 +5604,13 @@ webpack-log@^2.0.0:
     ansi-colors "^3.0.0"
     uuid "^3.3.2"
 
-webpack-merge@4.2.1:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-4.2.1.tgz#5e923cf802ea2ace4fd5af1d3247368a633489b4"
-  integrity sha512-4p8WQyS98bUJcCvFMbdGZyZmsKuWjWVnVHnAS3FFg0HDaRVrPbkivx2RYCre8UiemD67RsiFFLfn4JhLAin8Vw==
+webpack-merge@5.0.9:
+  version "5.0.9"
+  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-5.0.9.tgz#d5e0e0ae564ae704836d747893bdd2741544bf31"
+  integrity sha512-P4teh6O26xIDPugOGX61wPxaeP918QOMjmzhu54zTVcLtOS28ffPWtnv+ilt3wscwBUCL2WNMnh97XkrKqt9Fw==
   dependencies:
-    lodash "^4.17.5"
+    clone-deep "^4.0.1"
+    wildcard "^2.0.0"
 
 webpack-sources@^1.1.0, webpack-sources@^1.3.0:
   version "1.3.0"
@@ -5665,6 +5682,11 @@ wide-align@^1.1.0:
   dependencies:
     string-width "^1.0.2 || 2"
 
+wildcard@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/wildcard/-/wildcard-2.0.0.tgz#a77d20e5200c6faaac979e4b3aadc7b3dd7f8fec"
+  integrity sha512-JcKqAHLPxcdb9KM49dufGXn2x3ssnfjbcaQdLlfZsL9rH9wgDQjUtDxbo8NE0F6SFvydeu1VhZe7hZuHsB2/pw==
+
 wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"