diff --git a/007/package.json b/007/package.json
index d26b5e6..17f03da 100644
--- a/007/package.json
+++ b/007/package.json
@@ -14,6 +14,6 @@
   "devDependencies": {
     "html-webpack-plugin": "^2.28.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   }
 }
diff --git a/008/package.json b/008/package.json
index d26b5e6..17f03da 100644
--- a/008/package.json
+++ b/008/package.json
@@ -14,6 +14,6 @@
   "devDependencies": {
     "html-webpack-plugin": "^2.28.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   }
 }
diff --git a/009/package.json b/009/package.json
index 780f4cd..1047f4d 100644
--- a/009/package.json
+++ b/009/package.json
@@ -17,6 +17,6 @@
     "eslint-loader": "^1.7.1",
     "html-webpack-plugin": "^2.28.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   }
 }
diff --git a/011/package.json b/011/package.json
index be268a4..0c14500 100644
--- a/011/package.json
+++ b/011/package.json
@@ -19,6 +19,6 @@
     "html-webpack-plugin": "^2.28.0",
     "style-loader": "^0.17.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   }
 }
diff --git a/013/package.json b/013/package.json
index 74be9a4..afe0419 100644
--- a/013/package.json
+++ b/013/package.json
@@ -20,6 +20,6 @@
     "html-webpack-plugin": "^2.28.0",
     "style-loader": "^0.17.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   }
 }
diff --git a/015/package.json b/015/package.json
index 1672ab1..a90a340 100644
--- a/015/package.json
+++ b/015/package.json
@@ -21,6 +21,6 @@
     "html-webpack-plugin": "^2.28.0",
     "style-loader": "^0.17.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   }
 }
diff --git a/016/package.json b/016/package.json
index 1672ab1..a90a340 100644
--- a/016/package.json
+++ b/016/package.json
@@ -21,6 +21,6 @@
     "html-webpack-plugin": "^2.28.0",
     "style-loader": "^0.17.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   }
 }
diff --git a/017/package.json b/017/package.json
index bac91f6..9dc8242 100644
--- a/017/package.json
+++ b/017/package.json
@@ -21,7 +21,7 @@
     "html-webpack-plugin": "^2.28.0",
     "style-loader": "^0.17.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   },
   "dependencies": {
     "react": "^15.6.0"
diff --git a/018/package.json b/018/package.json
index 5009ff8..e571f3d 100644
--- a/018/package.json
+++ b/018/package.json
@@ -22,7 +22,7 @@
     "html-webpack-plugin": "^2.28.0",
     "style-loader": "^0.17.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   },
   "dependencies": {
     "react": "^15.6.0"
diff --git a/019/package.json b/019/package.json
index 5009ff8..e571f3d 100644
--- a/019/package.json
+++ b/019/package.json
@@ -22,7 +22,7 @@
     "html-webpack-plugin": "^2.28.0",
     "style-loader": "^0.17.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   },
   "dependencies": {
     "react": "^15.6.0"
diff --git a/020/package.json b/020/package.json
index 15523ce..d9d6fce 100644
--- a/020/package.json
+++ b/020/package.json
@@ -23,7 +23,7 @@
     "html-webpack-plugin": "^2.28.0",
     "style-loader": "^0.17.0",
     "webpack": "^2.3.2",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^5.2.2"
   },
   "dependencies": {
     "react": "^15.6.0"