diff --git a/climetlab/__init__.py b/climetlab/__init__.py
index 4ede9bd1..4bc1c5ff 100644
--- a/climetlab/__init__.py
+++ b/climetlab/__init__.py
@@ -24,7 +24,7 @@
 
 # import logging
 
-__version__ = "0.0.93"
+__version__ = "0.0.94"
 
 
 # if ipython_active:
diff --git a/setup.py b/setup.py
index ba6e0e88..4832034c 100644
--- a/setup.py
+++ b/setup.py
@@ -53,7 +53,7 @@ def read(fname):
         "requests",
         "eccodes>=0.9.9",
         "magics>=1.5.0",
-        "ecmwflibs",
+        "ecmwflibs>=0.0.39",
         "pdbufr",
         "pyodc",
         "dask",