diff --git a/receiver/Dockerfile b/receiver/Dockerfile
index 68396868..bcbf9f64 100644
--- a/receiver/Dockerfile
+++ b/receiver/Dockerfile
@@ -48,7 +48,7 @@ VOLUME /mnt/quarantine
 VOLUME /mnt/zim
 VOLUME /mnt/check_logs
 
-ENV ZIM_TOOLS_URL https://download.openzim.org/release/zim-tools/zim-tools_linux-x86_64-3.4.1.tar.gz
+ENV ZIM_TOOLS_URL https://download.openzim.org/release/zim-tools/zim-tools_linux-x86_64-3.4.2.tar.gz
 ENV ZIM_SRC_DIR /jail/zim
 ENV ZIM_DST_DIR /mnt/zim
 ENV ZIM_QUAR_DIR /mnt/quarantine
diff --git a/workers/app/common/constants.py b/workers/app/common/constants.py
index 67e0dc86..2f776f20 100644
--- a/workers/app/common/constants.py
+++ b/workers/app/common/constants.py
@@ -9,7 +9,6 @@
 
 import humanfriendly
 import psutil
-
 from common import logger
 from common.utils import as_pos_int, format_size
 
@@ -23,7 +22,7 @@
 )
 DNSCACHE_IMAGE = os.getenv("DNSCACHE_IMAGE") or "ghcr.io/openzim/dnscache:latest"
 UPLOADER_IMAGE = os.getenv("UPLOADER_IMAGE") or "ghcr.io/openzim/uploader:latest"
-CHECKER_IMAGE = os.getenv("CHECKER_IMAGE") or "ghcr.io/openzim/zim-tools:3.4.1"
+CHECKER_IMAGE = os.getenv("CHECKER_IMAGE") or "ghcr.io/openzim/zim-tools:3.4.2"
 MONITOR_IMAGE = os.getenv("MONITOR_IMAGE") or "ghcr.io/openzim/zimfarm-monitor:latest"
 
 # paths