diff --git a/compose.yaml b/compose.yaml
index aaa465f..df812ee 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -18,6 +18,6 @@ services:
       restart: always
       environment:
         - "TZ=Europe/Berlin"
-        - "JENKINS_AGENT_SSH_PUBKEY=ssh-rsa ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+        - "SSH_PUBKEY=ssh-ed25519 ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 #      volumes:
 #        - "/var/run/docker.sock:/var/run/docker.sock:ro"