diff --git a/.github/workflows/check_version.yaml b/.github/workflows/check_version.yaml
new file mode 100644
index 00000000..e4d044b4
--- /dev/null
+++ b/.github/workflows/check_version.yaml
@@ -0,0 +1,14 @@
+name: Check if versions are consistent
+
+on: pull_request
+
+jobs:
+  check-version-numbers:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: ./.github/actions/prepare_poetry_env
+      - name: Check Release
+        run: poetry run python3 -u "./scripts/check_release_version.py"
\ No newline at end of file
diff --git a/doc/changes/changes_0.7.0.md b/doc/changes/changes_0.7.0.md
index 831981f9..c2e53c99 100644
--- a/doc/changes/changes_0.7.0.md
+++ b/doc/changes/changes_0.7.0.md
@@ -1,28 +1,26 @@
-# Transformers Extension 0.7.0, released T.B.D
+# Transformers Extension 0.7.0, released 2023-12-20
 
-Code name: T.B.D
+Code name: Split SLC actions
 
 
 ## Summary
 
-T.B.D
+This release splits the container uploading and registration into two separate actions. Additionally, 
+a workflow for checking the correctness of the version number in multiple places was added. Apart from that there 
+are some refactorings for better usability and the  Cryptography dependency version has been upgraded to 41.0.7
 
 ### Features
 
+  - #151: Made the container uploading and language registration two separate actions
+  - #167: Added version check workflow
   - #143: Added HuggingfaceTransfer class with save_pretrained for saving model locally
-  - #152: Made the container uploading and language registration two separate actions
 
-### Bug Fixes
-
-  - n/a
 
 ### Refactorings
 
   - #144: Extracted base_model_udf.load_models into separate class
-  
-### Documentation
+  - #159: Refactored LanguageContainer Deployer to make it reusable by other extensions
 
-  - n/a
 
 ### Security
 
diff --git a/poetry.lock b/poetry.lock
index 87464f1b..5447cb8f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2027,6 +2027,18 @@ dev = ["tokenizers[testing]"]
 docs = ["setuptools_rust", "sphinx", "sphinx_rtd_theme"]
 testing = ["black (==22.3)", "datasets", "numpy", "pytest", "requests"]
 
+[[package]]
+name = "toml"
+version = "0.10.2"
+description = "Python Library for Tom's Obvious, Minimal Language"
+category = "dev"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+files = [
+    {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
+    {file = "toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"},
+]
+
 [[package]]
 name = "tomli"
 version = "2.0.1"
@@ -2367,4 +2379,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8.0"
-content-hash = "bae6534475146fc2a89b432f91c9ccea5caeeebf468748ac4fd464ab3de591e7"
+content-hash = "155ee12ea40608b861bd3bb5299abaf5ab130c9b1cd9087f54c8859824abe707"
diff --git a/pyproject.toml b/pyproject.toml
index 3d39bbc2..51a87c42 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,6 +33,7 @@ tenacity = "^8.2.2"
 pytest = "^7.2.0"
 exasol-udf-mock-python = "^0.1.0"
 exasol-script-languages-container-tool = "^0.18.1"
+toml = "^0.10.2"
 
 [[tool.poetry.source]]
 name = "torch"
diff --git a/scripts/check_release_version.py b/scripts/check_release_version.py
new file mode 100644
index 00000000..edf63400
--- /dev/null
+++ b/scripts/check_release_version.py
@@ -0,0 +1,52 @@
+import re
+from pathlib import Path
+
+from packaging import version
+
+from git import Repo
+import toml
+
+
+def get_git_version():
+    repo = Repo()
+    assert not repo.bare
+    tag_strings = [t.name for t in repo.tags]
+    tag_strings.sort(reverse=True)
+
+    latest_tag = tag_strings[0].strip()
+    assert len(latest_tag) > 0
+    return latest_tag
+
+
+def get_poetry_version():
+    parsed_toml = toml.load('pyproject.toml')
+    return parsed_toml["tool"]["poetry"]["version"].strip()
+
+
+def get_change_log_version():
+    # Path overloads __truediv__
+    with open(Path(__file__).parent / ".." / "doc" / "changes" / "changelog.md") as changelog:
+        changelog_str = changelog.read()
+        # Search for the FIRST pattern like: "* [0.5.0](changes_0.5.0.md)" in the changelog file.
+        # Note that we encapsulate the [(0.5.0)] with parenthesis, which tells re to return the matching string as group
+        version_match = re.search(r"\* \[([0-9]+.[0-9]+.[0-9]+)]\(\S+\)", changelog_str)
+        return version_match.groups()[0]
+
+
+if __name__ == '__main__':
+    poetry_version = get_poetry_version()
+    latest_tag = get_git_version()
+    changelog_version = get_change_log_version()
+    print(f'Changelog version: "{changelog_version}"')
+    print(f'Current version: "{poetry_version}"')
+    print(f'Latest git tag: "{latest_tag}"')
+
+    # We expect that the current version in pyproject.toml is always greater than the latest tag.
+    # Thus we avoid creating a release without having the version number updated.
+    if not version.parse(poetry_version) > version.parse(latest_tag):
+        raise ValueError("Poetry version needs to be updated!")
+
+    if changelog_version != poetry_version:
+        raise ValueError("Poetry version differs from Changelog version!")
+
+    print("Everything looks good")
\ No newline at end of file