diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 00e4966..4c4de0a 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.0.0.post0
+current_version = 2.0.1.dev0
 commit = True
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>[a-z]+)(?P<build>\d+))?
diff --git a/docs/conf.py b/docs/conf.py
index f23e4d5..3b33f8d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -25,7 +25,7 @@
 project = "keithley2600"
 copyright = "2019, Sam Schott"
 author = "Sam Schott"
-version = "2.0.0.post0"
+version = "2.0.1.dev0"
 release = version
 
 
diff --git a/keithley2600/__init__.py b/keithley2600/__init__.py
index bff5410..5f980d8 100644
--- a/keithley2600/__init__.py
+++ b/keithley2600/__init__.py
@@ -28,4 +28,4 @@
 from keithley2600.keithley_driver import log_to_screen, KeithleyIOError
 
 
-__version__ = "v2.0.0.post0"
+__version__ = "v2.0.1.dev0"
diff --git a/setup.py b/setup.py
index 540729c..0ec8e3b 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name="keithley2600",
-    version="v2.0.0.post0",
+    version="v2.0.1.dev0",
     description="Full Python driver for the Keithley 2600 series.",
     url="https://github.com/OE-FET/keithley2600.git",
     author="Sam Schott",