diff --git a/CHANGES.txt b/CHANGES.txt
index e8f31ab1ef..86a0d31c85 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,4 @@
-* V1.8.4.2 
+* V1.8.5 
   * do not crash if renewing repo while staying inside it
   * fixed bug in "system_with_timeout" (was always returning error) - required by ck-clsmith
   * added "skip_sort" to "select" and "select_uoa" functions
diff --git a/ck/kernel.py b/ck/kernel.py
index a07ae5623c..b14c60decb 100644
--- a/ck/kernel.py
+++ b/ck/kernel.py
@@ -10,8 +10,8 @@
 # CK kernel - we made it monolithic with a minimal set 
 # of common functions for performance reasons
 
-__version__ = "1.8.4.2"  # We use 3 digits for the main (released) version and 4th digit for development revision
-                         # Do not use characters (to detect oudated version)!
+__version__ = "1.8.5"  # We use 3 digits for the main (released) version and 4th digit for development revision
+                       # Do not use characters (to detect oudated version)!
 
 # Extra modules global for the whole kernel
 import sys
diff --git a/setup.py b/setup.py
index bb896c9820..49d614f5a9 100755
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 setup(
   name='ck',
-  version='1.8.4.2',
+  version='1.8.5',
   url='https://github.com/ctuning/ck/wiki',
   license='BSD 3-clause',
   author='Grigori Fursin and non-profit cTuning foundation',