diff --git a/pybis/src/python/CHANGELOG.md b/pybis/src/python/CHANGELOG.md
index 8d7c4903179742ece72e4492062d01caf1335b7e..ddc9cefd6540d09e80d603c682be4513a9200b1a 100644
--- a/pybis/src/python/CHANGELOG.md
+++ b/pybis/src/python/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Changes with pybis-1.11.1
+
+- added automatically accepting host key, otherwise mount() will hang the first time 
+
 ## Changes with pybis-1.11.0
 
 * implemented mount() and unmount() methods to mount openBIS dataStore server via SSHFS and FUSE
diff --git a/pybis/src/python/pybis/__init__.py b/pybis/src/python/pybis/__init__.py
index 264495435a19d4dd8c4c63f97115a4d484de6994..b0e578dcb1db65cd510e7b661f80be5f42689c29 100644
--- a/pybis/src/python/pybis/__init__.py
+++ b/pybis/src/python/pybis/__init__.py
@@ -1,7 +1,7 @@
 name = 'pybis'
 __author__ = 'Swen Vermeul'
 __email__ = 'swen@ethz.ch'
-__version__ = '1.11.0'
+__version__ = '1.11.1'
 
 from . import pybis
 from .pybis import Openbis
diff --git a/pybis/src/python/pybis/pybis.py b/pybis/src/python/pybis/pybis.py
index 9354ad34bf216f2c68131cbad83f006277627454..4729f9e0d3c8beed22bcb9468c4baa0483e2204f 100644
--- a/pybis/src/python/pybis/pybis.py
+++ b/pybis/src/python/pybis/pybis.py
@@ -1106,8 +1106,8 @@ class Openbis:
 
 
         os_options = {
-            "darwin": "-oauto_cache,reconnect,defer_permissions,noappledouble,negative_vncache,volname={}".format(hostname),
-            "linux": "-oauto_cache,reconnect",
+            "darwin": "-oauto_cache,reconnect,defer_permissions,noappledouble,negative_vncache,volname={} -oStrictHostKeyChecking=no ".format(hostname),
+            "linux": "-oauto_cache,reconnect -oStrictHostKeyChecking=no",
         }
 
         if volname is None:
diff --git a/pybis/src/python/setup.py b/pybis/src/python/setup.py
index 43b0dc555b95a310ca05be6d47fc51986ab007e0..08a6e22b1766a31aa4cf8219855a2d1023e9b372 100644
--- a/pybis/src/python/setup.py
+++ b/pybis/src/python/setup.py
@@ -11,7 +11,7 @@ with open("README.md", "r", encoding="utf-8") as fh:
 
 setup(
     name='PyBIS',
-    version= '1.11.0',
+    version= '1.11.1',
     author='Swen Vermeul • ID SIS • ETH Zürich',
     author_email='swen@ethz.ch',
     description='openBIS connection and interaction, optimized for using with Jupyter',