diff --git a/charmcraft.yaml b/charmcraft.yaml
index 71c7e68..ac7b9e8 100644
--- a/charmcraft.yaml
+++ b/charmcraft.yaml
@@ -13,6 +13,7 @@ parts:
       - libssl-dev
       - rustc
       - cargo
+      - pkg-config
     source: src/
     build-snaps:
       - charm/latest/edge