diff --git a/oemoflex/facades.py b/oemoflex/facades.py
index 6b3c986..cc69d22 100644
--- a/oemoflex/facades.py
+++ b/oemoflex/facades.py
@@ -21,7 +21,7 @@ def __init__(self, *args, **kwargs):
         self.tech = kwargs.get("tech", None)
 
 
-class Transformer(solph.components.Transformer):
+class Transformer(solph.components.Converter):
     r"""
     Supplement Transformer with carrier and tech properties to work with labeling in postprocessing
 
diff --git a/setup.py b/setup.py
index db4046f..4c03147 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def read(fname):
         "pyyaml",
         "dynaconf",
         "pandas",
-        "oemof.tabular==0.0.5",
+        "oemof.tabular",
         "plotly",
         "frictionless",
         "matplotlib",