diff --git a/Electron/todolist/package.json b/Electron/todolist/package.json
index 208ca0a..2655a21 100644
--- a/Electron/todolist/package.json
+++ b/Electron/todolist/package.json
@@ -13,6 +13,6 @@
     "electron": "^6.0.0"
   },
   "devDependencies": {
-    "electron-packager": "^10.1.0"
+    "electron-packager": "10.1.2"
   }
 }
diff --git a/border-shadow-magic-with-styled-components/package.json b/border-shadow-magic-with-styled-components/package.json
index aed3d99..50cfef6 100644
--- a/border-shadow-magic-with-styled-components/package.json
+++ b/border-shadow-magic-with-styled-components/package.json
@@ -6,7 +6,7 @@
     "react": "^16.6.3",
     "react-dom": "^16.6.3",
     "react-scripts": "2.1.1",
-    "warning": "^4.0.2"
+    "warning": "4.0.3"
   },
   "scripts": {
     "start": "react-scripts start",
@@ -24,7 +24,7 @@
     "not op_mini all"
   ],
   "devDependencies": {
-    "prop-types": "^15.6.2",
-    "styled-components": "^4.1.1"
+    "prop-types": "15.7.2",
+    "styled-components": "4.4.1"
   }
 }
diff --git a/imageFilter/package.json b/imageFilter/package.json
index 10e298e..a12dc38 100644
--- a/imageFilter/package.json
+++ b/imageFilter/package.json
@@ -3,20 +3,20 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "classnames": "^2.2.6",
+    "classnames": "2.3.1",
     "lodash.debounce": "^4.0.8",
     "lodash.get": "^4.4.2",
     "lodash.set": "^4.3.2",
-    "rc-input-number": "^4.4.1",
-    "rc-slider": "^8.6.9",
-    "rc-tooltip": "^3.7.3",
-    "react-draggable": "^3.3.0",
-    "react-dropzone": "^9.0.0",
-    "react-redux": "^5.0.7",
-    "react-toastify": "^5.1.0",
-    "redux": "^4.0.0",
-    "styled-components": "^4.2.0",
-    "styled-is": "^1.3.0",
+    "rc-input-number": "4.6.3",
+    "rc-slider": "8.7.1",
+    "rc-tooltip": "3.7.3",
+    "react-draggable": "3.3.2",
+    "react-dropzone": "9.0.0",
+    "react-redux": "5.1.2",
+    "react-toastify": "5.5.0",
+    "redux": "4.1.1",
+    "styled-components": "4.4.1",
+    "styled-is": "1.3.0",
     "react": "^16.8.6",
     "react-dom": "^16.2.0"
   },
diff --git a/puppeteer/package.json b/puppeteer/package.json
index 73904a4..8988283 100644
--- a/puppeteer/package.json
+++ b/puppeteer/package.json
@@ -9,13 +9,13 @@
     "vue": "^2.5.13"
   },
   "devDependencies": {
-    "parcel-bundler": "^1.4.1",
-    "koa": "^2.4.1",
-    "mocha": "^5.0.0",
-    "puppeteer": "^1.0.0",
-    "node-sass": "^4.7.2",
-    "postcss-modules": "^1.1.0",
-    "concurrently": "^3.5.1"
+    "parcel-bundler": "1.12.5",
+    "koa": "2.13.1",
+    "mocha": "5.2.0",
+    "puppeteer": "1.20.0",
+    "node-sass": "4.14.1",
+    "postcss-modules": "1.5.0",
+    "concurrently": "3.6.1"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
diff --git a/simple-easy-assert/package.json b/simple-easy-assert/package.json
index 7d10ea4..34d417a 100644
--- a/simple-easy-assert/package.json
+++ b/simple-easy-assert/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
-    "chalk": "^4.1.2",
-    "ctressa": "^1.2.0"
+    "chalk": "4.1.2",
+    "ctressa": "1.2.0"
   }
 }
diff --git a/simple-easy-assert/pnpm-lock.yaml b/simple-easy-assert/pnpm-lock.yaml
index a9bb043..5b97162 100644
--- a/simple-easy-assert/pnpm-lock.yaml
+++ b/simple-easy-assert/pnpm-lock.yaml
@@ -1,8 +1,8 @@
 lockfileVersion: 5.3
 
 specifiers:
-  chalk: ^4.1.2
-  ctressa: ^1.2.0
+  chalk: 4.1.2
+  ctressa: 1.2.0
 
 devDependencies:
   chalk: 4.1.2
diff --git a/webpack_plugin_test/package.json b/webpack_plugin_test/package.json
index 1696079..a477594 100644
--- a/webpack_plugin_test/package.json
+++ b/webpack_plugin_test/package.json
@@ -12,8 +12,8 @@
   "devDependencies": {
     "@babel/core": "^7.3.4",
     "@babel/parser": "^7.3.4",
-    "webpack": "^4.29.6",
-    "webpack-cli": "^3.2.3"
+    "webpack": "4.46.0",
+    "webpack-cli": "3.3.12"
   },
   "dependencies": {
     "expect": "^24.3.1"