diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index c82e30d31..5ad221967 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -57,10 +57,10 @@ parts:
     constraints: [$SNAPCRAFT_PART_SRC/snap-constraints.txt]
     python-packages:
       - wheel
-      - acme
-      - certbot
-      - certbot-apache
-      - certbot-nginx
+      - ./acme
+      - ./certbot
+      - ./certbot-apache
+      - ./certbot-nginx
     stage:
       - -usr/lib/python3.8/sitecustomize.py # maybe unnecessary
       # Prefer cffi