diff --git a/crates/cuddle-ci/src/rust_service.rs b/crates/cuddle-ci/src/rust_service.rs
index ebee9a3..5bb2f36 100644
--- a/crates/cuddle-ci/src/rust_service.rs
+++ b/crates/cuddle-ci/src/rust_service.rs
@@ -274,7 +274,7 @@ impl RustService {
         let dest = self
             .final_image
             .clone()
-            .unwrap_or(self.client.container().from("debian:bullseye"));
+            .unwrap_or(self.client.container().from("debian:bookworm"));
 
         let before_package = self
             .stages