diff --git a/docker-compose.yml b/docker-compose.yml
index f50c6d6..3848b7a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -162,7 +162,7 @@ services:
       LOCAL_ONLY: #optional
       WHISPER_BEAM: 1 #optional
       WHISPER_LANG: en #optional
-    image: lscr.io/linuxserver/faster-whisper:latest
+    image: lscr.io/linuxserver/faster-whisper:latest@sha256:43ec95dc89ecca3e594c211604cdda55ae3979fe5108436c918121ee4393b403
     network_mode: host
     # ports:
     #   - 10300:10300
@@ -170,7 +170,7 @@ services:
     volumes:
       - ${ULTIMA_DOCKER_DIR}/faster-whisper/:/config
   piper:
-    image: lscr.io/linuxserver/piper:latest
+    image: lscr.io/linuxserver/piper:latest@sha256:fddc63c2de74931d1234ae8bc7a9b0601f55aed7c8521562240566ee1af3ef67
     container_name: piper
     environment:
       PUID: ${PUID}}