diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 8a4cafbe..659519fa 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.0.6
+current_version = 0.0.7
 commit = False
 tag = False
 allow_dirty = False
diff --git a/build_scripts/release-version.sh b/build_scripts/release-version.sh
index 1560dac0..96b3cfaa 100755
--- a/build_scripts/release-version.sh
+++ b/build_scripts/release-version.sh
@@ -33,7 +33,6 @@ Usage:
 
   Optional flags:
     -h, --help              Show this information and exit
-    -d                      Delete release branch after merging
     -e                      Edit changelog (using default editor)
     -v, --verbose           Print debug information
     -y, --yes               Do not prompt for confirmation, for non-interactive use (incompatible with -e)
@@ -52,7 +51,6 @@ function _parse_opts() {
   POSITIONAL=()
 
   DEBUG=
-  DELETE_BRANCH=
   EDIT_CHANGELOG=
   FORCE_YES=
   HELP=
@@ -78,10 +76,6 @@ function _parse_opts() {
           FORCE_YES=1
           shift
         ;;
-        -d|--delete-branch)
-          DELETE_BRANCH=1
-          shift
-        ;;
         -r|--remote)
           REMOTE="$2"
           shift 2
@@ -105,7 +99,6 @@ function _parse_opts() {
   fi
 
   export DEBUG
-  export DELETE_BRANCH
   export EDIT_CHANGELOG
   export FORCE_YES
   export HELP
@@ -174,9 +167,6 @@ EOF
     - Bump version number again to next development pre-release
     - Merge release branch into ${bold}develop${normal} locally and on $REMOTE
 EOF
-  if [[ -n "$DELETE_BRANCH" ]]; then
-    echo "    - Delete release branch"
-  fi
 
   echo -en "🚨️ ${yellow}Do you want to proceed? [y/N] ${normal}"
   read -n 1 -r
@@ -255,9 +245,7 @@ git checkout develop
 git merge --no-ff "$RELEASE_BRANCH"
 git push "$REMOTE" develop
 
-if [[ -n "$DELETE_BRANCH" ]]; then
-  echo "🗑️ Deleting release branch"
-  git branch -d "$RELEASE_BRANCH"
-fi
+echo "🗑️ Deleting release branch"
+git branch -d "$RELEASE_BRANCH"
 
 echo -e "\U2728 All done! Get yourself some coffee and watch CI/CD pipelines for errors."
diff --git a/setup.py b/setup.py
index 91b6c10f..c4479bdd 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
     package_dir={"": "src"},
     packages=find_packages(where="src"),
     include_package_data=True,
-    version='0.0.6',
+    version='0.0.7',
     description='Library for sensible AI',
     install_requires=[
         line
diff --git a/src/sensai/__init__.py b/src/sensai/__init__.py
index ec394b4c..fed40829 100644
--- a/src/sensai/__init__.py
+++ b/src/sensai/__init__.py
@@ -14,7 +14,7 @@
 from .normalisation import NormalisationMode
 from .vector_model import VectorModel, VectorRegressionModel, VectorClassificationModel
 
-__version__ = "0.0.6"
+__version__ = "0.0.7"
 
 # The following submodules are not imported by default to avoid necessarily requiring their dependencies:
 # tensorflow
diff --git a/src/sensai/clustering/base/clustering.py b/src/sensai/clustering/base/clustering.py
index 2b1ca19e..1d493b34 100644
--- a/src/sensai/clustering/base/clustering.py
+++ b/src/sensai/clustering/base/clustering.py
@@ -74,7 +74,7 @@ def summaryDict(self):
             return {
                 "identifier": self.identifier,
                 "centroid": self.centroid(),
-                "num_members": len(self),
+                "numMembers": len(self),
                 "radius": self.radius()
             }