diff --git a/.drone.yml b/.drone.yml
index 4ca6901..9fb6d66 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -4,7 +4,7 @@ type: docker
 
 steps:
 - name: test
-  image: rust:1.69
+  image: rust:1.73
   commands:
   - cargo build --verbose --all
   - cargo test --verbose --all