diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 923edd8c..310d8b1c 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 4.0.5
+current_version = 4.0.6.dev0
 commit = False
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>[a-z]+)(?P<dev>\d+))?
diff --git a/common/src/main/python/dlpx/virtualization/common/VERSION b/common/src/main/python/dlpx/virtualization/common/VERSION
index 7636e756..39c44522 100644
--- a/common/src/main/python/dlpx/virtualization/common/VERSION
+++ b/common/src/main/python/dlpx/virtualization/common/VERSION
@@ -1 +1 @@
-4.0.5
+4.0.6.dev0
diff --git a/dvp/src/main/python/dlpx/virtualization/VERSION b/dvp/src/main/python/dlpx/virtualization/VERSION
index 7636e756..39c44522 100644
--- a/dvp/src/main/python/dlpx/virtualization/VERSION
+++ b/dvp/src/main/python/dlpx/virtualization/VERSION
@@ -1 +1 @@
-4.0.5
+4.0.6.dev0
diff --git a/libs/src/main/python/dlpx/virtualization/libs/VERSION b/libs/src/main/python/dlpx/virtualization/libs/VERSION
index 7636e756..39c44522 100644
--- a/libs/src/main/python/dlpx/virtualization/libs/VERSION
+++ b/libs/src/main/python/dlpx/virtualization/libs/VERSION
@@ -1 +1 @@
-4.0.5
+4.0.6.dev0
diff --git a/platform/src/main/python/dlpx/virtualization/platform/VERSION b/platform/src/main/python/dlpx/virtualization/platform/VERSION
index 7636e756..39c44522 100644
--- a/platform/src/main/python/dlpx/virtualization/platform/VERSION
+++ b/platform/src/main/python/dlpx/virtualization/platform/VERSION
@@ -1 +1 @@
-4.0.5
+4.0.6.dev0
diff --git a/tools/src/main/python/dlpx/virtualization/_internal/VERSION b/tools/src/main/python/dlpx/virtualization/_internal/VERSION
index 7636e756..39c44522 100644
--- a/tools/src/main/python/dlpx/virtualization/_internal/VERSION
+++ b/tools/src/main/python/dlpx/virtualization/_internal/VERSION
@@ -1 +1 @@
-4.0.5
+4.0.6.dev0
diff --git a/tools/src/test/python/dlpx/virtualization/_internal/test_package_util.py b/tools/src/test/python/dlpx/virtualization/_internal/test_package_util.py
index f1710a09..c17a3a5b 100644
--- a/tools/src/test/python/dlpx/virtualization/_internal/test_package_util.py
+++ b/tools/src/test/python/dlpx/virtualization/_internal/test_package_util.py
@@ -10,7 +10,7 @@
 class TestPackageUtil:
     @staticmethod
     def test_get_version():
-        assert package_util.get_version() == '4.0.5'
+        assert package_util.get_version() == '4.0.6.dev0'
 
     @staticmethod
     def test_get_virtualization_api_version():