diff --git a/bsplines2d/_class02_BSplines2D.py b/bsplines2d/_class02_BSplines2D.py
index 6f81c83..bcd9aa3 100644
--- a/bsplines2d/_class02_BSplines2D.py
+++ b/bsplines2d/_class02_BSplines2D.py
@@ -1204,9 +1204,11 @@ def plot_as_profile2d_compare(
 
     def save(
         self,
+        pfe=None,
         path=None,
         name=None,
         sep=None,
+        overwrite=None,
         verb=True,
         return_pfe=False,
     ):
@@ -1220,9 +1222,11 @@ def save(
         # call inherited method
 
         out = super().save(
+            pfe=pfe,
             path=path,
             name=name,
             sep=sep,
+            overwrite=overwrite,
             verb=verb,
             return_pfe=return_pfe,
         )
diff --git a/requirements.txt b/requirements.txt
index 54dd717..398b307 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ scipy
 matplotlib
 astropy
 contourpy
-datastock>=0.0.42
+datastock>=0.0.43
diff --git a/setup.py b/setup.py
index bb696bd..c210634 100644
--- a/setup.py
+++ b/setup.py
@@ -123,7 +123,7 @@
         "matplotlib",
         "astropy",
         "contourpy",
-        "datastock>=0.0.42",
+        "datastock>=0.0.43",
     ],
     python_requires=">=3.6",