diff --git a/builder3.yml b/builder3.yml
index 2e1b095..dc6adad 100644
--- a/builder3.yml
+++ b/builder3.yml
@@ -151,6 +151,7 @@
         state: present
         name:
           - build-essential
+          - ecdsautils
           - gawk
           - git
           - libncurses-dev