diff --git a/charmcraft.yaml b/charmcraft.yaml
index 0d7ee87..52840d5 100644
--- a/charmcraft.yaml
+++ b/charmcraft.yaml
@@ -15,6 +15,7 @@ parts:
       - libssl-dev
       - rustc
       - cargo
+      - pkg-config
     source: src/
     build-snaps:
       - charm/latest/edge