diff --git a/Dockerfile b/Dockerfile
index d23ed5c..0873dd8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,14 +31,14 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     debootstrap=1.0.141 \
     squashfs-tools=1:4.6.1-1 \
     xorriso=1.5.6-1.2+b1 \
-    grub-pc-bin=2.12-9 \
-    grub-efi-amd64-bin=2.12-9 \
-    grub-efi-ia32-bin=2.12-9 \
+    grub-pc-bin=2.12-9+deb13u1 \
+    grub-efi-amd64-bin=2.12-9+deb13u1 \
+    grub-efi-ia32-bin=2.12-9+deb13u1 \
     mtools=4.0.48-1 \
     dosfstools=4.2-1.2 \
     syslinux-utils=3:6.04~git20190206.bf6db5b4+dfsg1-3.1 \
     isolinux=3:6.04~git20190206.bf6db5b4+dfsg1-3.1 \
-    file=1:5.46-2 \
+    file=1:5.46-5 \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*