diff --git a/.drone.yml b/.drone.yml
index 7b54db4..96b0f89 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -31,5 +31,6 @@ matrix:
   ALPINE_TAG:
     - 3.6
     - 3.7
-    - 3.8,latest
+    - 3.8
+    - 3.9,latest
     - edge
diff --git a/Dockerfile b/Dockerfile
index 97c568d..85f05c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG ALPINE_TAG=3.8
+ARG ALPINE_TAG=3.9
 
 FROM alpine:$ALPINE_TAG