diff --git a/.woodpecker.yml b/.woodpecker.yml
index d9f0ae0..65b5f15 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -77,4 +77,4 @@ pipeline:
       - source: WATCHTOWER_HTTP_API_TOKEN
         target: WATCHTOWER_HTTP_API_TOKEN
     commands:
-      - /bin/bash /git/pipeline/notify-watchtower.sh
\ No newline at end of file
+      - /bin/sh /git/pipeline/notify-watchtower.sh
\ No newline at end of file
diff --git a/notify-watchtower.sh b/notify-watchtower.sh
index 8ca86ba..ff9ebb5 100644
--- a/notify-watchtower.sh
+++ b/notify-watchtower.sh
@@ -1,2 +1,2 @@
-#!/bin/bash
+#!/bin/sh
 curl -H "Authorization: Bearer ${WATCHTOWER_HTTP_API_TOKEN}" -i "https://${WATCHTOWER_HOST}/v1/update"
\ No newline at end of file