diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d933e10..50ea06d 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -33,6 +33,12 @@ repos:
       - id: cargo-machete
   - repo: local
     hooks:
+      - id: node-rev-sync
+        name: node rev sync
+        language: system
+        entry: sh scripts/checks/check-node-rev-sync.sh
+        pass_filenames: false
+        files: ^(versions\.env|Cargo\.toml)$
       - id: cargo-hack-check
         language: script
         name: cargo hack check
diff --git a/scripts/checks/check-node-rev-sync.sh b/scripts/checks/check-node-rev-sync.sh
new file mode 100644
index 0000000..db46e87
--- /dev/null
+++ b/scripts/checks/check-node-rev-sync.sh
@@ -0,0 +1,40 @@
+#!/usr/bin/env sh
+set -eu
+
+repo_root="$(CDPATH= cd -- "$(dirname -- "$0")/../.." && pwd)"
+versions_env="${repo_root}/versions.env"
+cargo_toml="${repo_root}/Cargo.toml"
+logos_git='https://github.com/logos-blockchain/logos-blockchain.git'
+
+env_rev="$(grep -E '^LOGOS_BLOCKCHAIN_NODE_REV=[0-9a-f]{40}$' "$versions_env" | head -n1 | cut -d= -f2 || true)"
+if [ -z "$env_rev" ]; then
+  echo "node-rev-sync check failed: LOGOS_BLOCKCHAIN_NODE_REV is missing or invalid in versions.env" >&2
+  exit 1
+fi
+
+cargo_revs="$(
+  grep -oE "git *= *\"${logos_git}\" *, *rev *= *\"[0-9a-f]{40}\"" "$cargo_toml" \
+    | sed -E 's/.*rev *= *"([0-9a-f]{40})"/\1/' \
+    | sort -u
+)"
+
+if [ -z "$cargo_revs" ]; then
+  echo "node-rev-sync check failed: no logos-blockchain git rev found in Cargo.toml" >&2
+  exit 1
+fi
+
+rev_count="$(printf '%s\n' "$cargo_revs" | wc -l | tr -d ' ')"
+if [ "$rev_count" -ne 1 ]; then
+  echo "node-rev-sync check failed: multiple logos-blockchain revs found in Cargo.toml:" >&2
+  printf '  %s\n' "$cargo_revs" >&2
+  exit 1
+fi
+
+cargo_rev="$(printf '%s\n' "$cargo_revs")"
+if [ "$env_rev" != "$cargo_rev" ]; then
+  echo "node-rev-sync check failed:" >&2
+  echo "  versions.env LOGOS_BLOCKCHAIN_NODE_REV: $env_rev" >&2
+  echo "  Cargo.toml logos-blockchain rev:        $cargo_rev" >&2
+  echo "  Fix: set LOGOS_BLOCKCHAIN_NODE_REV to match Cargo.toml." >&2
+  exit 1
+fi