diff --git a/packages/facade/package.json b/packages/facade/package.json
index 0d01c1a2a..44aa98aec 100644
--- a/packages/facade/package.json
+++ b/packages/facade/package.json
@@ -3,6 +3,14 @@
   "version": "1.1.0",
   "main": "lib/es5/index.js",
   "types": "typings/index.d.ts",
+  "typesVersions": {
+    ">=3.1": {
+      "*": [
+        "typings/index.d.ts",
+        "src/test/*"
+      ]
+    }
+  },
   "license": "MIT",
   "scripts": {
     "clean": "rm -rf lib flow-typed",
@@ -14,8 +22,9 @@
     "libdeffix": "node -r esm ../../scripts/libdef-import-fix.js --flow=./typings/index.flow.js --dts=./typings/index.d.ts",
     "dtsgen": "dts-generator --project ./ --out typings/index.d.ts --prefix @qiwi/substrate/lib/es5 --name @qiwi/substrate --main @qiwi/substrate/lib/es5/index --moduleResolution node",
     "flowgen": "flowgen typings/index.d.ts --output-file typings/index.flow.js",
-    "test": "exit 0",
-    "jest": "jest --config=jest.config.json"
+    "test": "cp typings/index.d.ts src/test/index.d.ts && yarn dtslint",
+    "jest": "jest --config=jest.config.json",
+    "dtslint": "dtslint src/test --onlyTestTsNext"
   },
   "files": [
     "README.md",
@@ -34,6 +43,7 @@
     "ts-loader": "^5.3.3",
     "ts-node": "^8.0.2",
     "ts-to-flow": "^0.0.3",
-    "typescript": "3.2.4"
+    "typescript": "3.2.4",
+    "dtslint": "^0.4.2"
   }
 }
diff --git a/packages/facade/src/test/index.ts b/packages/facade/src/test/index.ts
new file mode 100644
index 000000000..1cf949d7c
--- /dev/null
+++ b/packages/facade/src/test/index.ts
@@ -0,0 +1,5 @@
+import { IStringMap } from '@qiwi/substrate';
+
+const map: IStringMap = {
+  foo: 1 // $ExpectError
+};
diff --git a/packages/facade/src/test/tsconfig.json b/packages/facade/src/test/tsconfig.json
new file mode 100644
index 000000000..108379054
--- /dev/null
+++ b/packages/facade/src/test/tsconfig.json
@@ -0,0 +1,34 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "module": "commonjs",
+    "strict": true,
+    "noImplicitAny": true,
+    "strictNullChecks": true,
+    "strictFunctionTypes": true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
+    /* Additional Checks */
+    /* next line commented out because we need unused vars for type tests */
+    // "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
+    "lib": ["es6"],
+    "skipLibCheck": true,
+    "baseUrl": ".",
+    "paths": {
+      "@qiwi/substrate-types": [
+        ".."
+      ]
+    },
+    "typeRoots": [".", "../../../types/typings"]
+  },
+  "files": [
+    "index.d.ts",
+    "index.ts"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}
\ No newline at end of file
diff --git a/packages/facade/src/test/tslint.json b/packages/facade/src/test/tslint.json
new file mode 100644
index 000000000..75a9cbad7
--- /dev/null
+++ b/packages/facade/src/test/tslint.json
@@ -0,0 +1,6 @@
+{
+  "extends": "dtslint/dtslint.json",
+  "rules": {
+    "interface-over-type-literal": false
+  }
+}
diff --git a/packages/types/package.json b/packages/types/package.json
index 3003d00d4..debaa22e8 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -6,6 +6,7 @@
   "typesVersions": {
     ">=3.1": {
       "*": [
+        "typings/index.d.ts",
         "src/test/*"
       ]
     }