diff --git a/doc/changes/changes_2.1.0.md b/doc/changes/changes_2.1.0.md
index ff7ebcd2..e0a8ac7e 100644
--- a/doc/changes/changes_2.1.0.md
+++ b/doc/changes/changes_2.1.0.md
@@ -23,7 +23,7 @@ Version: 2.1.0
 
 ## Bug Fixes
 
-n/a
+* #303: Fixed AWS Codebuild
 
 ## Documentation
 
diff --git a/doc/developer_guide/updating_packages.md b/doc/developer_guide/updating_packages.md
index 66504e03..76f4fb28 100644
--- a/doc/developer_guide/updating_packages.md
+++ b/doc/developer_guide/updating_packages.md
@@ -2,7 +2,9 @@
 
 The packages to be installed by Ansible are using pinned versions, e.g. for [docker](../../exasol/ds/sandbox/runtime/ansible/roles/docker/defaults/main.yml).
 
-In case ansible reports "no available installation candidate" for a specific version of a package, please search for newer versions of the package on https://packages.ubuntu.com/.
+In case ansible reports "no available installation candidate" for a specific version of a package, please search for newer versions of the package on https://packages.ubuntu.com/ or https://www.ubuntuupdates.org/.
+
+On `ubuntuupdates.org` you can use the [Package Search](https://www.ubuntuupdates.org/package_metas), please only use button "Package Search" or a URL like https://www.ubuntuupdates.org/package_metas?exact_match=1&q=network-manager.
 
 If the update is very new and not yet displayed on packages.ubuntu.com you can use
 
@@ -10,3 +12,5 @@ If the update is very new and not yet displayed on packages.ubuntu.com you can u
 apt-get update
 apt-search <package>
 ```
+
+Maybe installing the command [chdist](https://manpages.ubuntu.com/manpages/xenial/en/man1/chdist.1.html) could also be helpful, as it allows searching for packages and updates in other versions and distributions of ubuntu than the one installed on your local system.
diff --git a/exasol/ds/sandbox/runtime/ansible/roles/netplan/defaults/main.yml b/exasol/ds/sandbox/runtime/ansible/roles/netplan/defaults/main.yml
index d7ba207c..df2b8c48 100644
--- a/exasol/ds/sandbox/runtime/ansible/roles/netplan/defaults/main.yml
+++ b/exasol/ds/sandbox/runtime/ansible/roles/netplan/defaults/main.yml
@@ -1,4 +1,4 @@
 ---
 
 apt_dependencies:
-  - network-manager=1.36.4-2ubuntu1
+  - network-manager=1.36.6-0ubuntu2
diff --git a/poetry.lock b/poetry.lock
index 79f1fce2..f17448a6 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
@@ -1439,6 +1439,23 @@ all = ["gssapi (>=1.4.1)", "invoke (>=2.0)", "pyasn1 (>=0.1.7)", "pywin32 (>=2.1
 gssapi = ["gssapi (>=1.4.1)", "pyasn1 (>=0.1.7)", "pywin32 (>=2.1.8)"]
 invoke = ["invoke (>=2.0)"]
 
+[[package]]
+name = "passlib"
+version = "1.7.4"
+description = "comprehensive password hashing framework supporting over 30 schemes"
+optional = false
+python-versions = "*"
+files = [
+    {file = "passlib-1.7.4-py2.py3-none-any.whl", hash = "sha256:aa6bca462b8d8bda89c70b382f0c298a20b5560af6cbfa2dce410c0a2fb669f1"},
+    {file = "passlib-1.7.4.tar.gz", hash = "sha256:defd50f72b65c5402ab2c573830a6978e5f202ad0d984793c8dde2c4152ebe04"},
+]
+
+[package.extras]
+argon2 = ["argon2-cffi (>=18.2.0)"]
+bcrypt = ["bcrypt (>=3.1.0)"]
+build-docs = ["cloud-sptheme (>=1.10.1)", "sphinx (>=1.6)", "sphinxcontrib-fulltoc (>=1.2.0)"]
+totp = ["cryptography"]
+
 [[package]]
 name = "pathlib2"
 version = "2.3.7.post1"
@@ -1996,7 +2013,6 @@ files = [
     {file = "PyYAML-6.0.1-cp311-cp311-win_amd64.whl", hash = "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34"},
     {file = "PyYAML-6.0.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28"},
     {file = "PyYAML-6.0.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9"},
-    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a08c6f0fe150303c1c6b71ebcd7213c2858041a7e01975da3a99aed1e7a378ef"},
     {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0"},
     {file = "PyYAML-6.0.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4"},
     {file = "PyYAML-6.0.1-cp312-cp312-win32.whl", hash = "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54"},
@@ -2704,4 +2720,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.10.0,<4.0"
-content-hash = "5459e3aa73803f740af9fe2f85346a617635a6637940b2052648c120b46b1ebf"
+content-hash = "3d9f01c2eb84d8c6e18b21c4a029f1e5a6e1b15b6354d7292d67557b529435fd"
diff --git a/pyproject.toml b/pyproject.toml
index cb7c71bf..c96b02a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,6 +40,7 @@ humanfriendly = "^10.0"
 tenacity = "^8.2.3"
 pygithub = "^2.2.0"
 importlib-metadata = "^7.0.1"
+passlib = "^1.7.4"
 
 [tool.poetry.group.dev.dependencies]
 pytest-check-links = "^0.9.0"