diff --git a/package.json b/package.json
index 359dbc64..bca4d461 100644
--- a/package.json
+++ b/package.json
@@ -26,25 +26,25 @@
     "e2e"
   ],
   "devDependencies": {
-    "@types/jest": "^24.0.11",
-    "@types/puppeteer": "^1.12.3",
-    "auto-changelog": "^1.12.0",
+    "@types/jest": "24.0.11",
+    "@types/puppeteer": "1.12.3",
+    "auto-changelog": "1.12.0",
     "eslint": "5.16.0",
     "eslint-config-prettier": "4.3.0",
     "eslint-plugin-jest": "22.6.4",
     "husky": "2.1.0",
-    "jest": "^24.5.0",
+    "jest": "24.5.0",
     "lint-staged": "8.1.5",
     "prettier": "1.17.0",
     "puppeteer": "1.11.0",
-    "release-it": "^10.3.1",
+    "release-it": "10.3.1",
     "rollup": "1.10.1",
-    "rollup-plugin-typescript": "^1.0.0",
-    "rollup-plugin-typescript2": "^0.20.1",
-    "ts-jest": "^24.0.0",
-    "tsc": "^1.20150623.0",
-    "tslib": "^1.9.3",
-    "typescript": "^3.3.4000"
+    "rollup-plugin-typescript": "1.0.0",
+    "rollup-plugin-typescript2": "0.20.1",
+    "ts-jest": "24.0.0",
+    "tsc": "1.20150623.0",
+    "tslib": "1.9.3",
+    "typescript": "3.3.4000"
   },
   "scripts": {
     "prettier:write": "prettier --single-quote --trailing-comma es5 --write src/**/*",
diff --git a/yarn.lock b/yarn.lock
index 18f9201e..461de56d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -418,7 +418,7 @@
   resolved "https://registry.yarnpkg.com/@types/jest-diff/-/jest-diff-20.0.1.tgz#35cc15b9c4f30a18ef21852e255fdb02f6d59b89"
   integrity sha512-yALhelO3i0hqZwhjtcr6dYyaLoCHbAMshwtj6cGxTvHZAKXHsYGdff6E8EPw3xLKY0ELUTQ69Q1rQiJENnccMA==
 
-"@types/jest@^24.0.11":
+"@types/jest@24.0.11":
   version "24.0.11"
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-24.0.11.tgz#1f099bea332c228ea6505a88159bfa86a5858340"
   integrity sha512-2kLuPC5FDnWIDvaJBzsGTBQaBbnDweznicvK7UGYzlIJP4RJR2a4A/ByLUXEyEgag6jz8eHdlWExGDtH3EYUXQ==
@@ -444,7 +444,7 @@
   resolved "https://registry.yarnpkg.com/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz#e486d0d97396d79beedd0a6e33f4534ff6b4973e"
   integrity sha512-f5j5b/Gf71L+dbqxIpQ4Z2WlmI/mPJ0fOkGGmFgtb6sAu97EPczzbS3/tJKxmcYDj55OX6ssqwDAWOHIYDRDGA==
 
-"@types/puppeteer@^1.12.3":
+"@types/puppeteer@1.12.3":
   version "1.12.3"
   resolved "https://registry.yarnpkg.com/@types/puppeteer/-/puppeteer-1.12.3.tgz#1309882d368ed21004dfc4520864fdafcf126277"
   integrity sha512-mJtUPdXqB8THRwiHPbx8pkGYi+8IPf3dMuwJS9hHpr59BwkuLDkkEJ4qMST0k6TbOUXp+wyMJii30ouSkoEtaw==
@@ -666,7 +666,7 @@ atob@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.1.tgz#ae2d5a729477f289d60dd7f96a6314a22dd6c22a"
 
-auto-changelog@^1.12.0:
+auto-changelog@1.12.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/auto-changelog/-/auto-changelog-1.12.0.tgz#9195882fd2e46b867881124e2b225d0637840747"
   integrity sha512-+V6Zd4xRBe8TvVCGaKD6w/pj+tb7Y+3kFApQKuxv5rnlZvAbBqz/x66qgZmeevlOWxBeoIsPuzl5o2r6sjSCiQ==
@@ -3258,7 +3258,7 @@ jest-worker@^24.4.0:
     merge-stream "^1.0.1"
     supports-color "^6.1.0"
 
-jest@^24.5.0:
+jest@24.5.0:
   version "24.5.0"
   resolved "https://registry.yarnpkg.com/jest/-/jest-24.5.0.tgz#38f11ae2c2baa2f86c2bc4d8a91d2b51612cd19a"
   integrity sha512-lxL+Fq5/RH7inxxmfS2aZLCf8MsS+YCUBfeiNO6BWz/MmjhDGaIEA/2bzEf9q4Q0X+mtFHiinHFvQ0u+RvW/qQ==
@@ -4621,7 +4621,7 @@ registry-url@^3.0.3:
   dependencies:
     rc "^1.0.1"
 
-release-it@^10.3.1:
+release-it@10.3.1:
   version "10.3.1"
   resolved "https://registry.yarnpkg.com/release-it/-/release-it-10.3.1.tgz#1868139d2b468cde7f1459feb2856652bf412b6f"
   integrity sha512-S0+CM4Nmb0Ihs5yyEHlO7igtcdsky8qgK3vHBClzD6BJ9LVHO3gA9ZlSi2f4taPYdyWHO3WNXBuI0UTJLtDPMA==
@@ -4786,7 +4786,7 @@ rimraf@^2.2.8, rimraf@^2.5.4, rimraf@^2.6.1:
   dependencies:
     glob "^7.0.5"
 
-rollup-plugin-typescript2@^0.20.1:
+rollup-plugin-typescript2@0.20.1:
   version "0.20.1"
   resolved "https://registry.yarnpkg.com/rollup-plugin-typescript2/-/rollup-plugin-typescript2-0.20.1.tgz#fb1d411975cd875d24882ea66f5f4fd11d2f2240"
   integrity sha512-uxA5JQNOfmJ9rsO0yJKTObb1t4nNYUexCg9zxhEKF+NzZwljYWdfgrA06UzA24cOk8fQjGEe7Q5+Vge2vFlnnw==
@@ -4796,7 +4796,7 @@ rollup-plugin-typescript2@^0.20.1:
     rollup-pluginutils "2.4.1"
     tslib "1.9.3"
 
-rollup-plugin-typescript@^1.0.0:
+rollup-plugin-typescript@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/rollup-plugin-typescript/-/rollup-plugin-typescript-1.0.0.tgz#f7bcefe576011d9d2ebcc725b542ef35fb5005d4"
   integrity sha512-d2KDNMJXgaaB//dDGd/YmyMiopt1Pz965Iu3zmEoL08YqNcKRBz26uHqqc47rFGfrJV5kFqifC9IYlh6dpSCLg==
@@ -5407,7 +5407,7 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
-ts-jest@^24.0.0:
+ts-jest@24.0.0:
   version "24.0.0"
   resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-24.0.0.tgz#3f26bf2ec1fa584863a5a9c29bd8717d549efbf6"
   integrity sha512-o8BO3TkMREpAATaFTrXkovMsCpBl2z4NDBoLJuWZcJJj1ijI49UnvDMfVpj+iogn/Jl8Pbhuei5nc/Ti+frEHw==
@@ -5422,12 +5422,12 @@ ts-jest@^24.0.0:
     semver "^5.5"
     yargs-parser "10.x"
 
-tsc@^1.20150623.0:
+tsc@1.20150623.0:
   version "1.20150623.0"
   resolved "https://registry.yarnpkg.com/tsc/-/tsc-1.20150623.0.tgz#4ebc3c774e169148cbc768a7342533f082c7a6e5"
   integrity sha1-Trw8d04WkUjLx2inNCUz8ILHpuU=
 
-tslib@1.9.3, tslib@^1.9.0, tslib@^1.9.3:
+tslib@1.9.3, tslib@^1.9.0:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
 
@@ -5456,7 +5456,7 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@^3.3.4000:
+typescript@3.3.4000:
   version "3.3.4000"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.4000.tgz#76b0f89cfdbf97827e1112d64f283f1151d6adf0"
   integrity sha512-jjOcCZvpkl2+z7JFn0yBOoLQyLoIkNZAs/fYJkUG6VKy6zLPHJGfQJYFHzibB6GJaF/8QrcECtlQ5cpvRHSMEA==