diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..27b8c60
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,7 @@
+declare class SemanticReleaseError extends Error {
+    public code?: string;
+    public details?: string;
+    constructor(message?: string, code?: string, details?: string);
+}
+
+export = SemanticReleaseError;
diff --git a/package.json b/package.json
index a496dbf..7bd8bdb 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,8 @@
     "xo": "^0.23.0"
   },
   "files": [
-    "index.js"
+    "index.js",
+    "index.d.ts"
   ],
   "homepage": "https://github.com/semantic-release/error#readme",
   "keywords": [
@@ -30,6 +31,7 @@
   ],
   "license": "MIT",
   "main": "index.js",
+  "typings": "index.d.ts",
   "nyc": {
     "include": [
       "index.js"