diff --git a/tsup.config.ts b/tsup.config.ts
index d982b9d..4f56ca7 100644
--- a/tsup.config.ts
+++ b/tsup.config.ts
@@ -3,7 +3,13 @@ import { defineConfig } from "tsup";
 export default defineConfig({
     entry: { index: "src/index.ts", sentry: "src/sentry.ts" },
     format: ["esm", "cjs"],
-    dts: true,
+    // tsup injects baseUrl for DTS; TS 6 treats that as an error until tsup stops
+    // (https://github.com/egoist/tsup/issues/1388)
+    dts: {
+        compilerOptions: {
+            ignoreDeprecations: "6.0",
+        },
+    },
     clean: true,
     target: "es2022",
     sourcemap: true,