diff --git a/changelog b/changelog
index cf6cbf5..e7c90e5 100644
--- a/changelog
+++ b/changelog
@@ -1,3 +1,7 @@
+0.2.12
+
+- add support of tab-delimited files with fragments and environments (useful if names/SMILES contain commas)
+
 0.2.11
 
 - add support of custom functions to filter fragments chosen for attachment/replacing
diff --git a/crem/__init__.py b/crem/__init__.py
index e65e63c..da04351 100644
--- a/crem/__init__.py
+++ b/crem/__init__.py
@@ -8,4 +8,4 @@
 # license         : 
 #==============================================================================
 
-__version__ = "0.2.11"
+__version__ = "0.2.12"