diff --git a/src/commands/default.ts b/src/commands/default.ts
index fb95653..9775e4a 100644
--- a/src/commands/default.ts
+++ b/src/commands/default.ts
@@ -133,7 +133,7 @@ export default async function defaultMain(args: Argv) {
         "{{newVersion}}",
         config.newVersion
       );
-      await execa("git", ["tag", "-am", msg, body], { cwd });
+      await execa("git", ["tag", ...(config.signTags ? ["-s"] : []), "-am", msg, body], { cwd });
     }
     if (args.push === true) {
       await execa("git", ["push", "--follow-tags"], { cwd });
diff --git a/src/config.ts b/src/config.ts
index 2c1cfed..7b6359f 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -14,6 +14,7 @@ export interface ChangelogConfig {
   from: string;
   to: string;
   newVersion?: string;
+  signTags?: boolean;
   output: string | boolean;
   publish: {
     args?: string[];