diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1e036e..41772b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 ## Version History
 
+#### 20151222
+
+* Improved interoperability with Anaconda/Miniconda (#103, #106, #107, #108)
+* Create `virtualenv` inside `envs` directory of source version, like Anaconda/Miniconda (#103, #107)
+* Rewrite `pyenv activate` and `pyenv deactivate` without using scripts provided by virtualenv and conda (#51, #69, #103, #104, #121)
+* Improve the `pyenv activate` behaviour on multipe versions (#105, #111)
+* Reject creating a virtualenv named `system` (yyuu/pyenv#475)
+* Add `--skip-aliases` to `pyenv virtualenvs` (#120)
+* Stop showing `version not installed` warning messages in precmd (#49)
+
 #### 20151103
 
 * Passing return value from executed command. (#100)
diff --git a/bin/pyenv-virtualenv b/bin/pyenv-virtualenv
index 05a7b12..a07efbc 100755
--- a/bin/pyenv-virtualenv
+++ b/bin/pyenv-virtualenv
@@ -9,7 +9,7 @@
 #   -f/--force       Install even if the version appears to be installed already
 #
 
-PYENV_VIRTUALENV_VERSION="20151103"
+PYENV_VIRTUALENV_VERSION="20151222"
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x