diff --git a/package.json b/package.json
index b15e7bdc..5aeed0c3 100644
--- a/package.json
+++ b/package.json
@@ -26,9 +26,7 @@
   "typescript": {
     "definition": "dist/derivable.d.ts"
   },
-  "@std/esm": {
-    "esm": "js"
-  },
+  "@std/esm": "cjs",
   "jest": {
     "testRegex": ".*_test.js$"
   },
@@ -43,19 +41,19 @@
     "dynamic"
   ],
   "devDependencies": {
-    "@std/esm": "^0.13.0",
+    "@std/esm": "^0.14.0",
     "benchmark": "^2.1.0",
     "colors": "^1.1.2",
     "coveralls": "^2.11.9",
     "cross-env": "^5.1.1",
     "doctoc": "^1.0.0",
-    "eslint": "^4.10.0",
+    "eslint": "^4.11.0",
     "eslint-plugin-es5": "^1.1.0",
     "immutable": "^3.7.4",
     "jest": "^21.2.1",
     "mobx": "^2.3.3",
     "np": "^2.16.0",
-    "rollup": "^0.51.1",
+    "rollup": "^0.51.5",
     "rollup-plugin-uglify": "^2.0.1"
   },
   "repository": {
diff --git a/yarn.lock b/yarn.lock
index c9bcf1ca..247af16b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,9 +2,9 @@
 # yarn lockfile v1
 
 
-"@std/esm@^0.13.0":
-  version "0.13.0"
-  resolved "https://registry.yarnpkg.com/@std/esm/-/esm-0.13.0.tgz#b2ca2f7d96f50eec14bd14f0b8afc3138b2a40d4"
+"@std/esm@^0.14.0":
+  version "0.14.0"
+  resolved "https://registry.yarnpkg.com/@std/esm/-/esm-0.14.0.tgz#125081a4daf99a98ca63afe3f0610a8739e15067"
 
 abab@^1.0.3:
   version "1.0.4"
@@ -34,7 +34,7 @@ acorn@^4.0.4:
   version "4.0.13"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
 
-acorn@^5.1.1:
+acorn@^5.2.1:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.2.1.tgz#317ac7821826c22c702d66189ab8359675f135d7"
 
@@ -49,7 +49,7 @@ ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
-ajv@^5.1.0, ajv@^5.2.0, ajv@^5.2.3:
+ajv@^5.1.0, ajv@^5.2.3, ajv@^5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.3.0.tgz#4414ff74a50879c208ee5fdc826e32c303549eda"
   dependencies:
@@ -929,11 +929,11 @@ eslint-scope@^3.7.1:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint@^4.10.0:
-  version "4.10.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.10.0.tgz#f25d0d7955c81968c2309aa5c9a229e045176bb7"
+eslint@^4.11.0:
+  version "4.11.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.11.0.tgz#39a8c82bc0a3783adf5a39fa27fdd9d36fac9a34"
   dependencies:
-    ajv "^5.2.0"
+    ajv "^5.3.0"
     babel-code-frame "^6.22.0"
     chalk "^2.1.0"
     concat-stream "^1.6.0"
@@ -941,7 +941,7 @@ eslint@^4.10.0:
     debug "^3.0.1"
     doctrine "^2.0.0"
     eslint-scope "^3.7.1"
-    espree "^3.5.1"
+    espree "^3.5.2"
     esquery "^1.0.0"
     estraverse "^4.2.0"
     esutils "^2.0.2"
@@ -954,7 +954,7 @@ eslint@^4.10.0:
     inquirer "^3.0.6"
     is-resolvable "^1.0.0"
     js-yaml "^3.9.1"
-    json-stable-stringify "^1.0.1"
+    json-stable-stringify-without-jsonify "^1.0.1"
     levn "^0.3.0"
     lodash "^4.17.4"
     minimatch "^3.0.2"
@@ -971,11 +971,11 @@ eslint@^4.10.0:
     table "^4.0.1"
     text-table "~0.2.0"
 
-espree@^3.5.1:
-  version "3.5.1"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.1.tgz#0c988b8ab46db53100a1954ae4ba995ddd27d87e"
+espree@^3.5.2:
+  version "3.5.2"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.2.tgz#756ada8b979e9dcfcdb30aad8d1a9304a905e1ca"
   dependencies:
-    acorn "^5.1.1"
+    acorn "^5.2.1"
     acorn-jsx "^3.0.0"
 
 esprima@^2.6.0:
@@ -2105,6 +2105,10 @@ json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
 
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+
 json-stable-stringify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
@@ -3070,9 +3074,9 @@ rollup-plugin-uglify@^2.0.1:
   dependencies:
     uglify-js "^3.0.9"
 
-rollup@^0.51.1:
-  version "0.51.3"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.51.3.tgz#229e0004d6cf8f207f77a7a8dc76924155f4c1dd"
+rollup@^0.51.5:
+  version "0.51.5"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.51.5.tgz#5caf9101fcaefe344065701ece7de697631a8035"
 
 run-async@^2.2.0:
   version "2.3.0"