diff --git a/defaults/main.yml b/defaults/main.yml
index c46387a..9b7c705 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -90,7 +90,8 @@ venv_default_pip_install_args: >-
 venv_pip_install_args: ""
 
 # Environemnt to be set for building the wheels
-venv_pip_install_env: {}
+venv_pip_install_env:
+  REQUESTS_CA_BUNDLE: "{{ _venv_install_ca_bundle_path }}"
 
 # Some python packages have C bindings which tend to be very
 # particular about the version of their underlying shared libraries.
diff --git a/vars/debian.yml b/vars/debian.yml
index 12a764b..0aeb247 100644
--- a/vars/debian.yml
+++ b/vars/debian.yml
@@ -24,3 +24,5 @@ _venv_build_base_distro_package_list:
 _venv_install_base_distro_package_list:
     - python3-venv
     - python3-setuptools
+
+_venv_install_ca_bundle_path: /etc/ssl/certs/ca-certificates.crt
diff --git a/vars/redhat-9.yml b/vars/redhat-9.yml
index cd01a29..4b5bdd3 100644
--- a/vars/redhat-9.yml
+++ b/vars/redhat-9.yml
@@ -21,3 +21,5 @@ _venv_build_base_distro_package_list:
     - python3-devel
 
 _venv_install_base_distro_package_list: []
+
+_venv_install_ca_bundle_path: /etc/pki/tls/certs/ca-bundle.crt