diff --git a/setup.py b/setup.py
index e1677a8..2f79c25 100644
--- a/setup.py
+++ b/setup.py
@@ -3,8 +3,18 @@ from Cython.Compiler import Options
 from setuptools import setup
 
 Options.docstrings = False
+Options.embed_pos_in_docstring = False
+Options.annotate = False
+Options.fast_fail = True
 
-ext_modules = cythonize(["src/dopt_sensor_anomalies/detection.py"])
+ext_modules = cythonize(
+    ["src/dopt_sensor_anomalies/detection.py"],
+    compiler_directives={
+        "language_level": 3,
+        "embedsignature": False,
+        "annotation_typing": True,
+    },
+)
 
 
 setup(ext_modules=ext_modules)