diff --git a/roles/DPS-63744/meta/main.yml b/roles/DPS-63744/meta/main.yml
index 1ebf218..bd30f3d 100644
--- a/roles/DPS-63744/meta/main.yml
+++ b/roles/DPS-63744/meta/main.yml
@@ -1,8 +1,11 @@
 # Digitalno procesiranje signalov
 # Aleks.Huc@fri.uni-lj.si
+# metod.celestina@dewesoft.si
 # Windows, GNU/Linux, Matlab, wfdb, Octave, Audacity
 dependencies:
   - role: matlab
   - role: wfdb
   - role: octave
   - role: audacity
+  - role: numpy
+  - role: matplotlib
diff --git a/roles/numpy/tasks/main.yml b/roles/numpy/tasks/main.yml
new file mode 100644
index 0000000..66e93fe
--- /dev/null
+++ b/roles/numpy/tasks/main.yml
@@ -0,0 +1,4 @@
+- import_tasks: main_win.yml
+  when: ansible_os_family == 'Windows'
+- import_tasks: main_lin.yml
+  when: ansible_os_family == 'Debian'
\ No newline at end of file
diff --git a/roles/numpy/tasks/main_lin.yml b/roles/numpy/tasks/main_lin.yml
new file mode 100644
index 0000000..66e66b2
--- /dev/null
+++ b/roles/numpy/tasks/main_lin.yml
@@ -0,0 +1,5 @@
+- name: Install numpy
+  apt:
+    name:
+      - python3-numpy
+    state: latest
diff --git a/roles/numpy/tasks/main_win.yml b/roles/numpy/tasks/main_win.yml
new file mode 100644
index 0000000..ee12580
--- /dev/null
+++ b/roles/numpy/tasks/main_win.yml
@@ -0,0 +1,2 @@
+- name: Install numpy
+  win_command: pip install numpy