Pin dependencies

package.json

@@ -79,9 +79,9 @@
     "@aureooms/js-permutation": "^2.0.0"
   },
   "devDependencies": {
-    "@aureooms/js-compare": "^1.4.8",
-    "@aureooms/js-itertools": "^4.1.0",
-    "@aureooms/js-random": "^2.0.0",
+    "@aureooms/js-compare": "1.4.8",
+    "@aureooms/js-itertools": "4.1.0",
+    "@aureooms/js-random": "2.0.0",
     "@babel/cli": "7.11.6",
     "@babel/core": "7.11.6",
     "@babel/preset-env": "7.11.5",
@@ -99,7 +99,7 @@
     "nyc": "15.1.0",
     "power-assert": "1.6.1",
     "regenerator-runtime": "0.13.7",
-    "xo": "^0.33.1"
+    "xo": "0.33.1"
   },
   "files": [
     "lib"

yarn.lock

@@ -9,7 +9,7 @@
   dependencies:
     "@aureooms/js-error" "^4.0.1"
 
-"@aureooms/js-compare@^1.4.8":
+"@aureooms/js-compare@1.4.8":
   version "1.4.8"
   resolved "https://registry.yarnpkg.com/@aureooms/js-compare/-/js-compare-1.4.8.tgz#c6bff1091f4a2e211f449299572d9f195146fc59"
   integrity sha512-Z26PU6OmuhS7ZJsELTKImmipF7J+KCOyN70wBhhVIhmqUhXY6C3JpJHAev6wNBkC4ThlQt3zO6p/OmBFIq76Qg==
@@ -19,7 +19,7 @@
   resolved "https://registry.yarnpkg.com/@aureooms/js-error/-/js-error-4.0.1.tgz#be2740b3f31a337e0828930c9b70d38113b4dd77"
   integrity sha512-zsgs6wmnRsKljlusewYiBaFBM/hIJp43b7OwE9ybpLEL4wfXjGP17cJTTAY8gpzALVFwEA5/flxIK0I6gJJLHQ==
 
-"@aureooms/js-itertools@^4.1.0":
+"@aureooms/js-itertools@4.1.0":
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/@aureooms/js-itertools/-/js-itertools-4.1.0.tgz#c731eaee7de0005c6ea41f2f87cca4bdb2d86ca1"
   integrity sha512-P9TfwQPuXk5T5z6QMMfwLLyzh9QsEu4sGWcBk/P/waWgim/xqr+LDTOHVo7WU4QAty+/5CBX8DuW7MrPVfXt5A==
@@ -32,7 +32,7 @@
   resolved "https://registry.yarnpkg.com/@aureooms/js-permutation/-/js-permutation-2.0.0.tgz#48f4a1bfdc73d8759e79ba376bf2ca1d8b1ea132"
   integrity sha1-SPShv9xz2HWeebo3a/LKHYseoTI=
 
-"@aureooms/js-random@^2.0.0":
+"@aureooms/js-random@2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@aureooms/js-random/-/js-random-2.0.0.tgz#f62c6954ed79bd9a520197125ee3cfbe14b00d72"
   integrity sha1-9ixpVO15vZpSAZcSXuPPvhSwDXI=
@@ -8198,7 +8198,7 @@ xdg-basedir@^4.0.0:
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-2.0.1.tgz#4d8b8f1eccd3419aa362061becef515e1e559635"
   integrity sha1-TYuPHszTQZqjYgYb7O9RXh5VljU=
 
-xo@^0.33.1:
+xo@0.33.1:
   version "0.33.1"
   resolved "https://registry.yarnpkg.com/xo/-/xo-0.33.1.tgz#b198027a429a5c171ebcac8e81d77789ab9c5e91"
   integrity sha512-kH/qjKzvhkXPRwFnf4WpiGb2509eyk1J1791Jtxpr7LlGiGtOtSo5PQpHaUrvRusAbAv967wGMBtG48j3eGLQA==