diff --git a/charmcraft.yaml b/charmcraft.yaml
index f7f65c3..a7fd575 100644
--- a/charmcraft.yaml
+++ b/charmcraft.yaml
@@ -11,9 +11,7 @@ parts:
   charm:
     build-packages:
       - cargo
+      - libffi-dev
+      - libssl-dev
+      - pkg-config
       - rustc
-    charm-binary-python-packages:
-      - cryptography
-      - jsonschema
-      - pip
-      - setuptools