diff --git a/release/release_bob.py b/release/release_bob.py
index c41d3d5e652d3d91dfa5d2e18b1a4f0f27fe27e7..3c8fd41ac73f7ddd4bd0b43cdc06d4866f2b7645 100755
--- a/release/release_bob.py
+++ b/release/release_bob.py
@@ -269,7 +269,7 @@ def just_build_package(gitpkg, dry_run=False):
     last_pipeline = get_last_nonskip_pipeline(gitpkg, before_last=True)
 
     # check that the chosen pipeline is the one we are looking for
-    latest_tag_name = get_latest_tag_name(gitpkg)
+    latest_tag_name = 'v' + get_latest_tag_name(gitpkg)
     # the pipeline should be the one built for the latest tag, so check if it is the correct choice
     if last_pipeline.ref != latest_tag_name:
         raise ValueError('While deploying {0}, found pipeline {1} but it does not match '
@@ -374,7 +374,8 @@ def release_package(gitpkg, tag_name, tag_comments_list, dry_run=False):
 
     # 3. Replace branch tag in Readme to master, change version file to beta version tag. Git add, commit, and push.
     readme_content = _update_readme(readme_content)
-    version_number += 'b0'
+    major, minor, patch = version_number.split('.')
+    version_number = '{}.{}.{}b0'.format(major, minor, int(patch)+1)
     # commit and push changes
     commit_files(gitpkg, {'README.rst': readme_content, 'version.txt': version_number},
                  'Increased latest version to %s [skip ci]' % version_number, dry_run)
@@ -382,7 +383,7 @@ def release_package(gitpkg, tag_name, tag_comments_list, dry_run=False):
 
 def parse_and_process_package_changelog(gl, bob_group, pkg_name, package_changelog, dry_run=False):
     """
-    Process the changelog of a single package. Parse the log following specific format. 
+    Process the changelog of a single package. Parse the log following specific format.
     Update annotations of the provided older tags and release the package by following the last tag description.
     Args:
         gl: Gitlab API object