diff --git a/flake.lock b/flake.lock
index b14ba0ef..fb64376c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1717637172,
-        "narHash": "sha256-geTO9YL1V9zYGxupuZvKFWxh6II9sH2bjI1dmEVhVYQ=",
+        "lastModified": 1718008439,
+        "narHash": "sha256-nlh/2uD5p2SAdkn6Zuey20yaR5FFWvhL3poapDGNE4Y=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "713aa3df481782719aed4d8c20ad31a9effe3564",
+        "rev": "c1cfbfad7cb45f0c177b35b59ba67d1b5fc7ca82",
         "type": "github"
       },
       "original": {
@@ -51,11 +51,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1717762166,
-        "narHash": "sha256-tb5aB7YSZUXl0OHKLXZJNJgRtnyxlgtabvj3xGsShMU=",
+        "lastModified": 1717994219,
+        "narHash": "sha256-ueTu01bYU5QXdL77psMkApYHpk339xNHg/M7ZzP3uPI=",
         "owner": "nix-community",
         "repo": "nixos-images",
-        "rev": "f267906ba610b2e29f3f45ab45a0669e28c407ef",
+        "rev": "e2fd329c3a39a90bb43e1e2cf47c180ed57831bf",
         "type": "github"
       },
       "original": {
@@ -66,11 +66,11 @@
     },
     "nixos-stable": {
       "locked": {
-        "lastModified": 1717555607,
-        "narHash": "sha256-WZ1s48OODmRJ3DHC+I/DtM3tDRuRJlNqMvxvAPTD7ec=",
+        "lastModified": 1717696253,
+        "narHash": "sha256-1+ua0ggXlYYPLTmMl3YeYYsBXDSCqT+Gw3u6l4gvMhA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0b8e7a1ae5a94da2e1ee3f3030a32020f6254105",
+        "rev": "9b5328b7f761a7bbdc0e332ac4cf076a3eedb89b",
         "type": "github"
       },
       "original": {
@@ -82,11 +82,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1717737457,
-        "narHash": "sha256-hqHp0W7ibfdu5DFc6EG3S3c+GSAbti7VUldFXSf/WiI=",
+        "lastModified": 1717926692,
+        "narHash": "sha256-THcv8qDqobZefHHluPjx/8n+MtVVb8ag/oJbKMqKNRo=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "bf3faad723ca984fc4ea95c1cee1d975a8ca2a28",
+        "rev": "7d916e720af6b2ca355e4d0cfb8e4f742c172239",
         "type": "github"
       },
       "original": {
@@ -113,11 +113,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1717278143,
-        "narHash": "sha256-u10aDdYrpiGOLoxzY/mJ9llST9yO8Q7K/UlROoNxzDw=",
+        "lastModified": 1717850719,
+        "narHash": "sha256-npYqVg+Wk4oxnWrnVG7416fpfrlRhp/lQ6wQ4DHI8YE=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "3eb96ca1ae9edf792a8e0963cc92fddfa5a87706",
+        "rev": "4fc1c45a5f50169f9f29f6a98a438fb910b834ed",
         "type": "github"
       },
       "original": {
diff --git a/src/nixos-anywhere.sh b/src/nixos-anywhere.sh
index 64b32169..9010ae6f 100755
--- a/src/nixos-anywhere.sh
+++ b/src/nixos-anywhere.sh
@@ -27,6 +27,8 @@ Options:
   do not reboot after installation, allowing further customization of the target installation.
 * --kexec <path>
   use another kexec tarball to bootstrap NixOS
+* --kexec-extra-flags
+  extra flags to add into the call to kexec, e.g. "--no-sync"
 * --post-kexec-ssh-port <ssh_port>
   after kexec is executed, use a custom ssh port to connect. Defaults to 22
 * --copy-host-keys
@@ -65,6 +67,7 @@ step() {
 
 here=$(dirname "${BASH_SOURCE[0]}")
 kexec_url=""
+kexec_extra_flags=""
 enable_debug=""
 maybe_reboot="sleep 6 && reboot"
 nix_options=(
@@ -123,6 +126,10 @@ while [[ $# -gt 0 ]]; do
     kexec_url=$2
     shift
     ;;
+  --kexec-extra-flags)
+    kexec_extra_flags=$2
+    shift
+    ;;
   --post-kexec-ssh-port)
     post_kexec_ssh_port=$2
     shift
@@ -396,7 +403,7 @@ SSH
   fi
 
   ssh_ <<SSH
-TMPDIR=/root/kexec setsid ${maybe_sudo} /root/kexec/kexec/run
+TMPDIR=/root/kexec setsid ${maybe_sudo} /root/kexec/kexec/run --kexec-extra-flags "${kexec_extra_flags}"
 SSH
 
   # use the default SSH port to connect at this point