diff --git a/clean-scripts.config.js b/clean-scripts.config.js
index fe6cb89..e7287b1 100644
--- a/clean-scripts.config.js
+++ b/clean-scripts.config.js
@@ -41,7 +41,7 @@ module.exports = {
     ts: `tslint ${tsFiles}`,
     js: `standard ${jsFiles}`,
     less: `stylelint ${lessFiles}`,
-    export: `no-unused-export ${tsFiles} ${lessFiles}`,
+    export: `no-unused-export "src/**/*.ts" ${lessFiles} --strict --need-module tslib`,
     commit: `commitlint --from=HEAD~1`,
     markdown: `markdownlint README.md`,
     typeCoverage: 'type-coverage -p src --strict --ignore-catch',
diff --git a/package.json b/package.json
index f00ebae..636e123 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "jasmine": "3.4.0",
     "less": "3.9.0",
     "markdownlint-cli": "0.17.0",
-    "no-unused-export": "1.7.0",
+    "no-unused-export": "1.8.0-alpha.3",
     "postcss-cli": "6.1.2",
     "puppeteer": "1.18.1",
     "rev-static": "3.4.3",
diff --git a/src/lib.d.ts b/src/lib.d.ts
index 36dff79..7a2a973 100644
--- a/src/lib.d.ts
+++ b/src/lib.d.ts
@@ -1,3 +1,8 @@
 declare module '*.json' {
     export const version: string
 }
+
+declare module 'lodash.snakecase' {
+  const snakeCase: (name: string) => string
+  export = snakeCase
+}
diff --git a/src/rust-type-generator.ts b/src/rust-type-generator.ts
index 766d596..b5ee22c 100644
--- a/src/rust-type-generator.ts
+++ b/src/rust-type-generator.ts
@@ -1,5 +1,5 @@
 import { Type, TypeDeclaration, toUpperCase, ReferenceType, EnumDeclaration, NumberType, ObjectDeclaration, UnionDeclaration, ReferenceDeclaration } from './utils'
-const snakeCase: (name: string) => string = require('lodash.snakecase')
+import snakeCase = require('lodash.snakecase')
 
 export function generateRustTypes(typeDeclarations: TypeDeclaration[]) {
   const messages: string[] = []
diff --git a/yarn.lock b/yarn.lock
index 0d44511..7834843 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4487,15 +4487,15 @@ no-case@^2.2.0:
   dependencies:
     lower-case "^1.1.1"
 
-no-unused-export@1.7.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/no-unused-export/-/no-unused-export-1.7.0.tgz#d4026b972521670e487999de3f88baff0fe41f9e"
-  integrity sha512-wYKTccAiPvFfKcZ3ftUaoT6soZDxFL65iUVNPFWYxw7u8wYLf4Tqo5BSkWpklvDoirOe6UfE3ezW/NNzFCNTiQ==
+no-unused-export@1.8.0-alpha.3:
+  version "1.8.0-alpha.3"
+  resolved "https://registry.yarnpkg.com/no-unused-export/-/no-unused-export-1.8.0-alpha.3.tgz#3dd1d3aef38db45025cc0d50ea390ba7f0a1a6b0"
+  integrity sha512-ORSGXWEKOZL+JT1Z97I0gU2mH9MZMQycV+nQKXDmDuKc2b4LBVNf4bYFcRm9Sb9743P5FF6maGuTsrEt0P2QnA==
   dependencies:
-    glob "7.1.3"
+    glob "7.1.4"
     minimist "1.2.0"
     parse5 "5.1.0"
-    postcss-less "3.1.0"
+    postcss-less "3.1.4"
     postcss-scss "2.0.0"
     tslib "1"
     typescript "3"
@@ -5091,14 +5091,7 @@ postcss-jsx@^0.36.1:
   dependencies:
     "@babel/core" ">=7.2.2"
 
-postcss-less@3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-less/-/postcss-less-3.1.0.tgz#0e14a80206b452f44d3a09d082fa72645e8168cc"
-  integrity sha512-+fDH2A9zV8B4gFu3Idhq8ma09/mMBXXc03T2lL9CHjBQqKrfUit+TrQrnojc6Y4k7N4E+tyE1Uj5U1tcoKtXLQ==
-  dependencies:
-    postcss "^7.0.3"
-
-postcss-less@^3.1.4:
+postcss-less@3.1.4, postcss-less@^3.1.4:
   version "3.1.4"
   resolved "https://registry.yarnpkg.com/postcss-less/-/postcss-less-3.1.4.tgz#369f58642b5928ef898ffbc1a6e93c958304c5ad"
   integrity sha512-7TvleQWNM2QLcHqvudt3VYjULVB49uiW6XzEUFmvwHzvsOEF5MwBrIXZDJQvJNFGjJQTzSzZnDoCJ8h/ljyGXA==
@@ -5182,7 +5175,7 @@ postcss-value-parser@^3.3.1:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
   integrity sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==
 
-postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.2, postcss@^7.0.3, postcss@^7.0.7:
+postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.2, postcss@^7.0.7:
   version "7.0.17"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.17.tgz#4da1bdff5322d4a0acaab4d87f3e782436bad31f"
   integrity sha512-546ZowA+KZ3OasvQZHsbuEpysvwTZNGJv9EfyCQdsIDltPSWHAeTQ5fQy/Npi2ZDtLI3zs7Ps/p6wThErhm9fQ==