diff --git a/contracts/staking/package.json b/contracts/staking/package.json
index 727ef786a1..e51f5d6016 100644
--- a/contracts/staking/package.json
+++ b/contracts/staking/package.json
@@ -50,7 +50,7 @@
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/tokens/README.md",
     "devDependencies": {
         "@0x/abi-gen": "^4.1.0",
-        "@0x/contracts-gen": "^1.0.8",
+        "@0x/contracts-gen": "^1.0.13",
         "@0x/contracts-test-utils": "^3.1.2",
         "@0x/dev-utils": "^2.2.1",
         "@0x/sol-compiler": "^3.1.6",
diff --git a/packages/contracts-gen/CHANGELOG.json b/packages/contracts-gen/CHANGELOG.json
index 21ca5fda87..e69f0b6930 100644
--- a/packages/contracts-gen/CHANGELOG.json
+++ b/packages/contracts-gen/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "1.1.1",
+        "changes": [
+            {
+                "note": "Fixed sorting in artifact generation",
+                "pr": 1910
+            }
+        ]
+    },
     {
         "version": "1.1.0",
         "changes": [
diff --git a/packages/contracts-gen/src/contracts-gen.ts b/packages/contracts-gen/src/contracts-gen.ts
index a72448e285..c5fb4be505 100644
--- a/packages/contracts-gen/src/contracts-gen.ts
+++ b/packages/contracts-gen/src/contracts-gen.ts
@@ -79,7 +79,7 @@ function generateArtifactsTs(contracts: string[], artifactsDir: string, prettier
         const importPath = path.join('..', artifactsDir, `${contractName}.json`);
         return `import * as ${contractName} from '${importPath}';`;
     });
-    const sortedImports = _.sortBy(imports);
+    const sortedImports = _.sortBy(imports, _import => _import.toLowerCase());
     const artifacts = _.map(contracts, contract => {
         const contractName = path.basename(contract, SOLIDITY_EXTENSION);
         if (contractName === 'ZRXToken') {