diff --git a/apps/firefly-iii/6.1.15/data.yml b/apps/firefly-iii/6.1.21/data.yml
similarity index 100%
rename from apps/firefly-iii/6.1.15/data.yml
rename to apps/firefly-iii/6.1.21/data.yml
diff --git a/apps/firefly-iii/6.1.15/docker-compose.yml b/apps/firefly-iii/6.1.21/docker-compose.yml
similarity index 93%
rename from apps/firefly-iii/6.1.15/docker-compose.yml
rename to apps/firefly-iii/6.1.21/docker-compose.yml
index 2cc91410..c25b9d95 100644
--- a/apps/firefly-iii/6.1.15/docker-compose.yml
+++ b/apps/firefly-iii/6.1.21/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
     firefly-iii:
-        image: fireflyiii/core:version-6.1.15
+        image: fireflyiii/core:version-6.1.21
         container_name: ${CONTAINER_NAME}
         environment:
             - APP_KEY=${APP_KEY}
diff --git a/apps/firefly-iii/6.1.15/scripts/init.sh b/apps/firefly-iii/6.1.21/scripts/init.sh
similarity index 100%
rename from apps/firefly-iii/6.1.15/scripts/init.sh
rename to apps/firefly-iii/6.1.21/scripts/init.sh
diff --git a/apps/firefly-iii/6.1.15/scripts/upgrade.sh b/apps/firefly-iii/6.1.21/scripts/upgrade.sh
similarity index 100%
rename from apps/firefly-iii/6.1.15/scripts/upgrade.sh
rename to apps/firefly-iii/6.1.21/scripts/upgrade.sh