diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 25013f2..6153423 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,28 +1,18 @@
 [bumpversion]
-current_version = 1.4.11
 commit = False
 tag = False
 tag_name = {new_version}
 tag_message = Bump version to {new_version}
 message = Bump version to {new_version}
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>[a-z]+)(?P<dev>\d+))?
-serialize = 
-	{major}.{minor}.{patch}.{release}{dev}
+serialize =
 	{major}.{minor}.{patch}
 
-[bumpversion:part:release]
-optional_value = prod
-values = 
-	dev
-	prod
-
-[bumpversion:part:dev]
-
 [bumpversion:file:setup.py]
-search = version='{current_version}'
+search = version='0.0.0'
 replace = version='{new_version}'
 
 [bumpversion:file:aodntools/__init__.py]
-search = __version__ = '{current_version}'
+search = __version__ = '0.0.0'
 replace = __version__ = '{new_version}'
 
diff --git a/Jenkinsfile b/Jenkinsfile
index 55aa164..f414731 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -18,17 +18,11 @@ pipeline {
                         sh 'git clean -xffd'
                     }
                 }
-                stage('set_version') {
-                    when { not { branch "master" } }
-                    steps {
-                        sh './bumpversion.sh build'
-                    }
-                }
                 stage('release') {
                     when { branch 'master' }
                     steps {
                         withCredentials([usernamePassword(credentialsId: env.GIT_CREDENTIALS_ID, passwordVariable: 'GIT_PASSWORD', usernameVariable: 'GIT_USERNAME')]) {
-                            sh './bumpversion.sh release'
+                            sh './bumpversion.sh'
                         }
                     }
                 }
diff --git a/aodntools/__init__.py b/aodntools/__init__.py
index a314565..c57bfd5 100644
--- a/aodntools/__init__.py
+++ b/aodntools/__init__.py
@@ -1 +1 @@
-__version__ = '1.4.11'
+__version__ = '0.0.0'
diff --git a/bumpversion.sh b/bumpversion.sh
index 6c3655c..4559475 100755
--- a/bumpversion.sh
+++ b/bumpversion.sh
@@ -2,29 +2,11 @@
 
 set -euxo pipefail
 
-RELEASE_BRANCH=master
-
-bumpversion_build() {
-  bump2version patch
-}
-
-bumpversion_release() {
-  git fetch --prune origin "+refs/tags/*:refs/tags/*"
-  bump2version patch
-  VERSION=$(bump2version --list --tag --commit --allow-dirty release | grep -oP '^new_version=\K.*$')
-  git push --atomic origin HEAD:$RELEASE_BRANCH tag $VERSION
-}
-
 main() {
-  local mode=$1; shift
-
-  if [ "x${mode}" == "xbuild" ]
-  then
-    bumpversion_build
-  elif [ "x${mode}" == "xrelease" ]
-  then
-    bumpversion_release
-  fi
+  git fetch --prune origin "+refs/tags/*:refs/tags/*"
+  OLD_VERSION=$(git tag -l '*.*.*' --sort=-version:refname | head -n 1)
+  NEW_VERSION=$(bump2version --current-version $OLD_VERSION --list --tag --commit  --allow-dirty patch | grep -oP '^new_version=\K.*$')
+  git push origin tag $NEW_VERSION
 
   exit 0
 }
diff --git a/setup.py b/setup.py
index c4da261..be44198 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
 
 setup(
     name=PACKAGE_NAME,
-    version='1.4.11',
+    version='0.0.0',
     packages=find_packages(exclude=PACKAGE_EXCLUDES),
     package_data=PACKAGE_DATA,
     url='https://github.com/aodn',