diff --git a/examples/bartlett1932/config.txt b/examples/bartlett1932/config.txt
index 2b56caac..bee89ebd 100644
--- a/examples/bartlett1932/config.txt
+++ b/examples/bartlett1932/config.txt
@@ -1,5 +1,5 @@
 [Experiment Configuration]
-wallace_version = 0.12.2
+wallace_version = 0.12.3
 mode = sandbox
 auto_recruit = true
 
diff --git a/examples/chatroom/config.txt b/examples/chatroom/config.txt
index 8a2fc7be..aac427b6 100644
--- a/examples/chatroom/config.txt
+++ b/examples/chatroom/config.txt
@@ -1,5 +1,5 @@
 [Experiment Configuration]
-wallace_version = 0.12.2
+wallace_version = 0.12.3
 mode = sandbox
 auto_recruit = true
 
diff --git a/examples/function-learning/config.txt b/examples/function-learning/config.txt
index 98cbbc11..062da449 100644
--- a/examples/function-learning/config.txt
+++ b/examples/function-learning/config.txt
@@ -1,5 +1,5 @@
 [Experiment Configuration]
-wallace_version = 0.12.2
+wallace_version = 0.12.3
 auto_recruit = true
 mode = sandbox
 
diff --git a/examples/mcmcp/config.txt b/examples/mcmcp/config.txt
index 99b7b07c..8e0ae6c1 100644
--- a/examples/mcmcp/config.txt
+++ b/examples/mcmcp/config.txt
@@ -1,5 +1,5 @@
 [Experiment Configuration]
-wallace_version = 0.12.2
+wallace_version = 0.12.3
 mode = sandbox
 auto_recruit = true
 
diff --git a/examples/rogers/config.txt b/examples/rogers/config.txt
index e8dccfe5..f5dd25f6 100644
--- a/examples/rogers/config.txt
+++ b/examples/rogers/config.txt
@@ -1,5 +1,5 @@
 [Experiment Configuration]
-wallace_version = 0.12.2
+wallace_version = 0.12.3
 mode = sandbox
 auto_recruit = true
 
diff --git a/setup.cfg b/setup.cfg
index 8c4e6f2a..93785f1c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.12.2
+current_version = 0.12.3
 commit = True
 tag = True
 tag_name = v{new_version}
diff --git a/setup.py b/setup.py
index 68241fde..13bf65cf 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 setup_args = dict(
     name='wallace-platform',
     packages=['wallace'],
-    version="0.12.2",
+    version="0.12.3",
     description='Wallace, a platform for experimental cultural evolution',
     url='http://github.com/berkeley-cocosci/Wallace',
     author='Berkeley CoCoSci',
diff --git a/wallace/heroku/requirements.txt b/wallace/heroku/requirements.txt
index 50a5b956..19f31281 100644
--- a/wallace/heroku/requirements.txt
+++ b/wallace/heroku/requirements.txt
@@ -1,4 +1,4 @@
--e git+https://github.com/berkeley-cocosci/Wallace.git@vWallace.git@v0.12.2#egg=wallace
+-e git+https://github.com/berkeley-cocosci/Wallace.git@vWallace.git@v0.12.3#egg=wallace
 APScheduler==3.0.5
 click==3.3
 coverage==3.7.1
diff --git a/wallace/version.py b/wallace/version.py
index 658019b5..c38b77f5 100644
--- a/wallace/version.py
+++ b/wallace/version.py
@@ -1,3 +1,3 @@
 """Wallace version number."""
 
-__version__ = "0.12.2"
+__version__ = "0.12.3"