diff --git a/package.json b/package.json
index 796a2ec08..e870626e5 100644
--- a/package.json
+++ b/package.json
@@ -30,14 +30,14 @@
   "homepage": "https://github.com/DIYgod/RSSHub#readme",
   "devDependencies": {
     "eslint": "5.9.0",
-    "eslint-config-prettier": "^3.3.0",
-    "eslint-plugin-prettier": "^3.0.0",
-    "lint-staged": "^8.0.5",
-    "nodemon": "^1.18.6",
-    "prettier": "^1.15.2",
-    "prettier-check": "^2.0.0",
+    "eslint-config-prettier": "3.3.0",
+    "eslint-plugin-prettier": "3.0.0",
+    "lint-staged": "8.0.5",
+    "nodemon": "1.18.6",
+    "prettier": "1.15.2",
+    "prettier-check": "2.0.0",
     "vuepress": "0.14.5",
-    "yorkie": "^2.0.0"
+    "yorkie": "2.0.0"
   },
   "dependencies": {
     "art-template": "4.13.2",
diff --git a/yarn.lock b/yarn.lock
index 0e22cd407..67f6f7d43 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3099,14 +3099,14 @@ escodegen@^1.8.1:
   optionalDependencies:
     source-map "~0.6.1"
 
-eslint-config-prettier@^3.3.0:
+eslint-config-prettier@3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-3.3.0.tgz#41afc8d3b852e757f06274ed6c44ca16f939a57d"
   integrity sha512-Bc3bh5bAcKNvs3HOpSi6EfGA2IIp7EzWcg2tS4vP7stnXu/J1opihHDM7jI9JCIckyIDTgZLSWn7J3HY0j2JfA==
   dependencies:
     get-stdin "^6.0.0"
 
-eslint-plugin-prettier@^3.0.0:
+eslint-plugin-prettier@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-3.0.0.tgz#f6b823e065f8c36529918cdb766d7a0e975ec30c"
   integrity sha512-4g11opzhqq/8+AMmo5Vc2Gn7z9alZ4JqrbZ+D4i8KlSyxeQhZHlmIrY8U9Akf514MoEhogPa87Jgkq87aZ2Ohw==
@@ -5116,7 +5116,7 @@ linkify-it@^2.0.0:
   dependencies:
     uc.micro "^1.0.1"
 
-lint-staged@^8.0.5:
+lint-staged@8.0.5:
   version "8.0.5"
   resolved "https://registry.yarnpkg.com/lint-staged/-/lint-staged-8.0.5.tgz#8eeca1a213eaded09c4e217da455b6f432046034"
   integrity sha512-QI2D6lw2teArlr2fmrrCIqHxef7mK2lKjz9e+aZSzFlk5rsy10rg97p3wA9H/vIFR3Fvn34fAgUktD/k896S2A==
@@ -5905,7 +5905,7 @@ node-pre-gyp@^0.10.0:
     semver "^5.3.0"
     tar "^4"
 
-nodemon@^1.18.6:
+nodemon@1.18.6:
   version "1.18.6"
   resolved "https://registry.yarnpkg.com/nodemon/-/nodemon-1.18.6.tgz#89b1136634d6c0afc7de24cc932a760e999e2c76"
   integrity sha512-4pHQNYEZun+IkIC2jCaXEhkZnfA7rQe73i8RkdRyDJls/K+WxR7IpI5uNUsAvQ0zWvYcCDNGD+XVtw2ZG86/uQ==
@@ -6803,7 +6803,7 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
-prettier-check@^2.0.0:
+prettier-check@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/prettier-check/-/prettier-check-2.0.0.tgz#edd086ee12d270579233ccb136a16e6afcfba1ae"
   integrity sha512-HZG53XQTJ9Cyi5hi1VFVVFxdlhITJybpZAch3ib9KqI05VUxV+F5Hip0GhSWRItrlDzVyqjSoDQ9KqIn7AHYyw==
@@ -6822,7 +6822,7 @@ prettier@1.13.7:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.13.7.tgz#850f3b8af784a49a6ea2d2eaa7ed1428a34b7281"
   integrity sha512-KIU72UmYPGk4MujZGYMFwinB7lOf2LsDNGSOC8ufevsrPLISrZbNJlWstRi3m0AMuszbH+EFSQ/r6w56RSPK6w==
 
-prettier@^1.15.2:
+prettier@1.15.2:
   version "1.15.2"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.15.2.tgz#d31abe22afa4351efa14c7f8b94b58bb7452205e"
   integrity sha512-YgPLFFA0CdKL4Eg2IHtUSjzj/BWgszDHiNQAe0VAIBse34148whfdzLagRL+QiKS+YfK5ftB6X4v/MBw8yCoug==
@@ -9229,7 +9229,7 @@ ylru@^1.2.0:
   resolved "https://registry.yarnpkg.com/ylru/-/ylru-1.2.1.tgz#f576b63341547989c1de7ba288760923b27fe84f"
   integrity sha512-faQrqNMzcPCHGVC2aaOINk13K+aaBDUPjGWl0teOXywElLjyVAB6Oe2jj62jHYtwsU49jXhScYbvPENK+6zAvQ==
 
-yorkie@^2.0.0:
+yorkie@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/yorkie/-/yorkie-2.0.0.tgz#92411912d435214e12c51c2ae1093e54b6bb83d9"
   integrity sha512-jcKpkthap6x63MB4TxwCyuIGkV0oYP/YRyuQU5UO0Yz/E/ZAu+653/uov+phdmO54n6BcvFRyyt0RRrWdN2mpw==