diff --git a/defaults/main.yml b/defaults/main.yml
index 347f4ef..68934d8 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -121,3 +121,7 @@ repo_pip_packages:
   - wheel
 
 repo_build_store_pip_sources: false
+
+# Default python packages which will be installed
+# into every venv.
+repo_venv_default_pip_packages: []
diff --git a/releasenotes/notes/custom-pip-package-add-4c17638c6e5b3373.yaml b/releasenotes/notes/custom-pip-package-add-4c17638c6e5b3373.yaml
new file mode 100644
index 0000000..01c0a67
--- /dev/null
+++ b/releasenotes/notes/custom-pip-package-add-4c17638c6e5b3373.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - The option ``repo_venv_default_pip_packages`` has been added which will
+    allow deployers to insert any packages into a service venv as needed.
+    The option expects a list of strings which are valid python package names as
+    found on PYPI.
diff --git a/templates/venv-build-options.txt.j2 b/templates/venv-build-options.txt.j2
index d256538..da306e8 100644
--- a/templates/venv-build-options.txt.j2
+++ b/templates/venv-build-options.txt.j2
@@ -146,4 +146,4 @@ VENV_CREATE_COMMAND="{{ repo_build_venv_command_options }}"
 {#                                                                          #}
 {# Finally, we output the alphabetically sorted requirements.               #}
 {#                                                                          #}
-ROLE_VENV_REQUIREMENTS="{{ (requirement_list | sort) | join(' ') }}"
+ROLE_VENV_REQUIREMENTS="{{ (repo_venv_default_pip_packages | union(requirement_list) | sort) | join(' ') }}"