diff --git a/snap/snapcraft21.yaml b/snap/snapcraft21.yaml
index 94e0e0d6..a0be9b4d 100644
--- a/snap/snapcraft21.yaml
+++ b/snap/snapcraft21.yaml
@@ -2,7 +2,7 @@ name: opendronemap
 adopt-info: odm
 grade: stable
 confinement: strict
-base: core20
+base: core21
 
 summary: Command line toolkit for processing aerial drone imagery
 description: >