diff --git a/package.json b/package.json
index 5f44144..518e512 100755
--- a/package.json
+++ b/package.json
@@ -4,6 +4,28 @@
   "description": "Immutability helpers with fast reads and acceptable writes",
   "main": "lib/timm.js",
   "types": "lib/timm.d.ts",
+  "scripts": {
+    "ava": "ava --watch",
+    "flow": "flow check || exit 0",
+    "lint": "eslint src/timm.js",
+    "test": "yarn testCovFull",
+    "testFast": "ava",
+    "testCovFast": "yarn testCovPrepare && yarn testCovDev && yarn testCovReport",
+    "testCovFull": "yarn testCovPrepare && yarn testCovDev && yarn testCovProd && yarn testCovMin && yarn testCovReport",
+    "testCovNoMin": "yarn testCovPrepare && yarn testCovDev && yarn testCovProd && yarn testCovReport",
+    "testCovPrepare": "rm -rf ./coverage .nyc_output .nyc_tmp && mkdir .nyc_tmp",
+    "testCovDev": "NODE_ENV=development nyc ava && mv .nyc_output/* .nyc_tmp/",
+    "testCovProd": "NODE_ENV=production nyc ava && mv .nyc_output/* .nyc_tmp/",
+    "testCovMin": "TEST_MINIFIED_LIB=1 nyc ava && mv .nyc_output/* .nyc_tmp/",
+    "testCovReport": "cp .nyc_tmp/* .nyc_output/ && nyc report --reporter=html --reporter=lcov",
+    "compile": "rm -rf ./lib && mkdir lib && babel -o lib/timm.js src/timm.js && cp src/api.js.flow lib/timm.js.flow && cp src/timm.d.ts lib/timm.d.ts",
+    "docs": "extract-docs --template docs/README_TEMPLATE.md --output README.md",
+    "uglify": "NODE_ENV=production envify lib/timm.js | uglifyjs - -o lib/timm.min.js --mangle --compress --comments \"/^!/\"",
+    "build": "yarn lint && yarn flow && yarn compile && yarn uglify && yarn testCovFull && yarn docs && yarn xxl",
+    "travis": "yarn compile && yarn testCovNoMin",
+    "xxl": "xxl",
+    "benchmarks": "coffee tools/benchmarks.coffee"
+  },
   "dependencies": {},
   "devDependencies": {
     "ava": "^0.25.0",
@@ -30,32 +52,10 @@
     "nyc": "^12.0.2",
     "oao": "^1.5.1",
     "prettier": "^1.14.2",
-    "seamless-immutable": "7.1.2",
+    "seamless-immutable": "^7.1.3",
     "uglifyjs": "^2.4.11",
     "xxl": "1.2.0"
   },
-  "scripts": {
-    "ava": "ava --watch",
-    "flow": "flow check || exit 0",
-    "lint": "eslint src/timm.js",
-    "test": "yarn testCovFull",
-    "testFast": "ava",
-    "testCovFast": "yarn testCovPrepare && yarn testCovDev && yarn testCovReport",
-    "testCovFull": "yarn testCovPrepare && yarn testCovDev && yarn testCovProd && yarn testCovMin && yarn testCovReport",
-    "testCovNoMin": "yarn testCovPrepare && yarn testCovDev && yarn testCovProd && yarn testCovReport",
-    "testCovPrepare": "rm -rf ./coverage .nyc_output .nyc_tmp && mkdir .nyc_tmp",
-    "testCovDev": "NODE_ENV=development nyc ava && mv .nyc_output/* .nyc_tmp/",
-    "testCovProd": "NODE_ENV=production nyc ava && mv .nyc_output/* .nyc_tmp/",
-    "testCovMin": "TEST_MINIFIED_LIB=1 nyc ava && mv .nyc_output/* .nyc_tmp/",
-    "testCovReport": "cp .nyc_tmp/* .nyc_output/ && nyc report --reporter=html --reporter=lcov",
-    "compile": "rm -rf ./lib && mkdir lib && babel -o lib/timm.js src/timm.js && cp src/api.js.flow lib/timm.js.flow && cp src/timm.d.ts lib/timm.d.ts",
-    "docs": "extract-docs --template docs/README_TEMPLATE.md --output README.md",
-    "uglify": "NODE_ENV=production envify lib/timm.js | uglifyjs - -o lib/timm.min.js --mangle --compress --comments \"/^!/\"",
-    "build": "yarn lint && yarn flow && yarn compile && yarn uglify && yarn testCovFull && yarn docs && yarn xxl",
-    "travis": "yarn compile && yarn testCovNoMin",
-    "xxl": "xxl",
-    "benchmarks": "coffee tools/benchmarks.coffee"
-  },
   "ava": {
     "files": [
       "test/*.js"
diff --git a/yarn.lock b/yarn.lock
index 817fec7..cfba99e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4645,9 +4645,9 @@ safe-regex@^1.1.0:
   dependencies:
     ret "~0.1.10"
 
-seamless-immutable@7.1.2:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/seamless-immutable/-/seamless-immutable-7.1.2.tgz#c87a1eba6767a32455311d76600ac5eddeafbb69"
+seamless-immutable@^7.1.3:
+  version "7.1.3"
+  resolved "https://registry.yarnpkg.com/seamless-immutable/-/seamless-immutable-7.1.3.tgz#d32a8a202a331dffa69e4069a367a2159252490e"
 
 semver-diff@^2.0.0:
   version "2.1.0"