diff --git a/inventories/sirius/group_vars/Debian-bullseye.yml b/inventories/sirius/group_vars/Debian-bullseye.yml
new file mode 100644
index 00000000..a48a6633
--- /dev/null
+++ b/inventories/sirius/group_vars/Debian-bullseye.yml
@@ -0,0 +1,28 @@
+---
+
+global_role_cs_studio: true
+global_role_sirius_bbb: true
+global_role_octave: true
+global_role_epics_mca: true
+global_role_desktop_settings: true
+global_role_visual_studio_code: true
+
+# === Services
+glusterfs_service_server: "glusterd"
+
+# === apt packages versions ===
+
+pkg_version_zabbix_agent: "1:5.0.8+dfsg-1"
+pkg_version_autofs: "5.1.7*"
+pkg_version_ntp: "1:4.2.8*"
+pkg_version_octave: "6.2.0*"
+pkg_version_liboctave_dev: "6.2.0*"
+pkg_version_epstool: "3.09*"
+pkg_version_bzip2: "1.0.8*"
+pkg_version_binutils: "2.35*"
+pkg_version_epics_dev: "3.15.6*"
+pkg_version_epics_pcas_dev: "3.15.6*"
+pkg_version_libtool: "2.4.6*"
+pkg_version_make: "4.3*"
+pkg_version_autoconf: "2.69*"
+pkg_version_automake: "1:1.16*"
\ No newline at end of file
diff --git a/roles/lnls-ans-role-epics-mca/meta/main.yml b/roles/lnls-ans-role-epics-mca/meta/main.yml
index 4fe74ced..da2f0e62 100644
--- a/roles/lnls-ans-role-epics-mca/meta/main.yml
+++ b/roles/lnls-ans-role-epics-mca/meta/main.yml
@@ -12,6 +12,7 @@ galaxy_info:
         - buster
         - stretch
         - jessie
+        - bullseye
     - name: Ubuntu
       versions:
         - xenial
diff --git a/roles/lnls-ans-role-epics-mca/vars/Debian-bullseye.yml b/roles/lnls-ans-role-epics-mca/vars/Debian-bullseye.yml
new file mode 100644
index 00000000..3138f06c
--- /dev/null
+++ b/roles/lnls-ans-role-epics-mca/vars/Debian-bullseye.yml
@@ -0,0 +1,12 @@
+---
+__epics_mca_packages:
+  - "bzip2{{ (pkg_version_bzip2 | length > 0) | ternary('=' + pkg_version_bzip2, '') }}"
+  - "binutils{{ (pkg_version_binutils | length > 0) | ternary('=' + pkg_version_binutils, '') }}"
+  - "git{{ (pkg_version_git | length > 0) | ternary('=' + pkg_version_git, '') }}"
+  - "automake{{ (pkg_version_automake | length > 0) | ternary('=' + pkg_version_automake, '') }}"
+  - "autoconf{{ (pkg_version_autoconf | length > 0) | ternary('=' + pkg_version_autoconf, '') }}"
+  - "make{{ (pkg_version_make | length > 0) | ternary('=' + pkg_version_make, '') }}"
+  - "libtool{{ (pkg_version_libtool | length > 0) | ternary('=' + pkg_version_libtool, '') }}"
+  - "g++{{ (pkg_version_gplusplus | length > 0) | ternary('=' + pkg_version_gplusplus, '') }}"
+  - "epics-dev{{ (pkg_version_epics_dev | length > 0) | ternary('=' + pkg_version_epics_dev, '') }}"
+  - "epics-pcas-dev{{ (pkg_version_epics_pcas_dev | length > 0) | ternary('=' + pkg_version_epics_pcas_dev, '') }}"
diff --git a/roles/lnls-ans-role-octave/meta/main.yml b/roles/lnls-ans-role-octave/meta/main.yml
index ba9a5f54..e70fe4ef 100644
--- a/roles/lnls-ans-role-octave/meta/main.yml
+++ b/roles/lnls-ans-role-octave/meta/main.yml
@@ -12,6 +12,7 @@ galaxy_info:
         - buster
         - stretch
         - jessie
+        - bullseye
     - name: Ubuntu
       versions:
         - xenial
diff --git a/roles/lnls-ans-role-octave/vars/Debian-bullseye.yml b/roles/lnls-ans-role-octave/vars/Debian-bullseye.yml
new file mode 100644
index 00000000..002e6bdb
--- /dev/null
+++ b/roles/lnls-ans-role-octave/vars/Debian-bullseye.yml
@@ -0,0 +1,5 @@
+---
+__octave_packages:
+  - "octave{{ (pkg_version_octave | length > 0) | ternary('=' + pkg_version_octave, '') }}"
+  - "liboctave-dev{{ (pkg_version_liboctave_dev | length > 0) | ternary('=' + pkg_version_liboctave_dev, '') }}"
+  - "epstool{{ (pkg_version_epstool | length > 0) | ternary('=' + pkg_version_epstool, '') }}"