diff --git a/pymc_extras/statespace/filters/distributions.py b/pymc_extras/statespace/filters/distributions.py
index d3b70c847..e6901b260 100644
--- a/pymc_extras/statespace/filters/distributions.py
+++ b/pymc_extras/statespace/filters/distributions.py
@@ -62,7 +62,7 @@ class MvNormalSVD(MvNormal):
     A JAX MvNormal robust to low-rank covariance matrices
     """
 
-    rv_op = MvNormalSVDRV()
+    rv_op = MvNormalSVDRV(method="svd")
 
 
 try:
diff --git a/requirements-dev.txt b/requirements-dev.txt
index a28518d8e..58d5ac401 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,3 +3,5 @@ blackjax
 
 # Used as benchmark for statespace models
 statsmodels
+scikit-learn
+better-optimize