diff --git a/src/eddymotion/estimator.py b/src/eddymotion/estimator.py
index 8e812b67..08cd401c 100644
--- a/src/eddymotion/estimator.py
+++ b/src/eddymotion/estimator.py
@@ -87,7 +87,7 @@ def fit(
         align_kwargs = align_kwargs or {}
 
         if seed or seed == 0:
-            np.random.seed(20210324 if seed is True else seed)
+            np.random.default_rng(20210324 if seed is True else seed)
 
         if "num_threads" not in align_kwargs and omp_nthreads is not None:
             align_kwargs["num_threads"] = omp_nthreads