diff --git a/doc/source/reference/configuration/extending-osa.rst b/doc/source/reference/configuration/extending-osa.rst
index f3c1e18770..9583b080bb 100644
--- a/doc/source/reference/configuration/extending-osa.rst
+++ b/doc/source/reference/configuration/extending-osa.rst
@@ -93,6 +93,19 @@ You can override location of the ``user-collection-requirements.yml`` by
 setting ``USER_COLLECTION_FILE`` environment variable before running the
 ``bootstrap-ansible.sh`` script.
 
+Installing extra Python packages inside Ansible virtualenv
+----------------------------------------------------------
+
+Some Ansible collections may require presence of specific Python libraries
+inside execution environment.
+In order to accomplish that deployer can create ``/etc/openstack_deploy/user-ansible-venv-requirements.txt``
+file with a list of Python libraries that should be installed inside virtual
+environment along with Ansible during ``bootstrap-ansible.sh`` execution.
+
+You can override the default path to ``user-ansible-venv-requirements.txt`` file
+with ``USER_ANSIBLE_REQUIREMENTS_FILE`` environment variable before running the
+``bootstrap-ansible.sh`` script.
+
 Maintaining local forks of ansible roles
 ----------------------------------------
 
diff --git a/etc/openstack_deploy/user-ansible-venv-requirements.txt.example b/etc/openstack_deploy/user-ansible-venv-requirements.txt.example
new file mode 100644
index 0000000000..82beb5c297
--- /dev/null
+++ b/etc/openstack_deploy/user-ansible-venv-requirements.txt.example
@@ -0,0 +1,5 @@
+# Use this file to fill in your third party libraries that you'd like to have
+# installed inside Ansible virtual environment during bootstrap-ansible.sh.
+# This file will be processed additionally to default requirements.txt and
+# does not superceed it.
+oauthlib>=3.2.0
diff --git a/releasenotes/notes/user_requirements_file-4d9f65599ec4d842.yaml b/releasenotes/notes/user_requirements_file-4d9f65599ec4d842.yaml
new file mode 100644
index 0000000000..7448a7efeb
--- /dev/null
+++ b/releasenotes/notes/user_requirements_file-4d9f65599ec4d842.yaml
@@ -0,0 +1,8 @@
+---
+features:
+  - |
+    Implemented installation of extra Python packages inside Ansible virtual
+    environment. By default, extra requirements should be defined in
+    ``/etc/openstack_deploy/user-ansible-venv-requirements.txt`` file. Path to the
+    requirements file can be overriden using ``USER_ANSIBLE_REQUIREMENTS_FILE``
+    environment variable.
diff --git a/scripts/bootstrap-ansible.sh b/scripts/bootstrap-ansible.sh
index 0ff6e9bd8a..cd10386090 100755
--- a/scripts/bootstrap-ansible.sh
+++ b/scripts/bootstrap-ansible.sh
@@ -25,8 +25,9 @@ export HTTPS_PROXY=${HTTPS_PROXY:-""}
 export ANSIBLE_PACKAGE=${ANSIBLE_PACKAGE:-"ansible-core==2.15.5"}
 export ANSIBLE_ROLE_FILE=${ANSIBLE_ROLE_FILE:-"ansible-role-requirements.yml"}
 export ANSIBLE_COLLECTION_FILE=${ANSIBLE_COLLECTION_FILE:-"ansible-collection-requirements.yml"}
-export USER_ROLE_FILE=${USER_ROLE_FILE:-"user-role-requirements.yml"}
 export USER_COLLECTION_FILE=${USER_COLLECTION_FILE:-"user-collection-requirements.yml"}
+export USER_ANSIBLE_REQUIREMENTS_FILE=${USER_ANSIBLE_REQUIREMENTS_FILE:-"${OSA_CONFIG_DIR:-/etc/openstack_deploy}/user-ansible-venv-requirements.txt"}
+export USER_ROLE_FILE=${USER_ROLE_FILE:-"user-role-requirements.yml"}
 export SSH_DIR=${SSH_DIR:-"/root/.ssh"}
 export DEBIAN_FRONTEND=${DEBIAN_FRONTEND:-"noninteractive"}
 # check whether to install the ARA callback plugin
@@ -122,6 +123,10 @@ elif [ -n "$HTTP_PROXY" ]; then
   PIP_OPTS+="--proxy $HTTP_PROXY"
 fi
 
+if [ -f "${USER_ANSIBLE_REQUIREMENTS_FILE}" ]; then
+  PIP_OPTS+="--requirement $USER_ANSIBLE_REQUIREMENTS_FILE"
+fi
+
 PYTHON_EXEC_PATH="${PYTHON_EXEC_PATH:-$(which python3)}"
 
 # Obtain the SHA of the upper-constraints to use for the ansible runtime venv