diff --git a/Makefile b/Makefile
index 1ba26e4..ed73ede 100644
--- a/Makefile
+++ b/Makefile
@@ -15,7 +15,7 @@
 
 NAME ?= auger
 PKG ?= github.com/etcd-io/$(NAME)
-GO_VERSION ?= 1.23.2
+GO_VERSION ?= 1.23.3
 GOOS ?= linux
 GOARCH ?= amd64
 TEMP_DIR := $(shell mktemp -d)
diff --git a/go.mod b/go.mod
index d3612b8..2dadd03 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/etcd-io/auger
 
 go 1.23
 
-toolchain go1.23.2
+toolchain go1.23.3
 
 require (
 	github.com/google/safetext v0.0.0-20220914124124-e18e3fe012bf
diff --git a/pkg/data/data.go b/pkg/data/data.go
index 62f0312..5527d88 100644
--- a/pkg/data/data.go
+++ b/pkg/data/data.go
@@ -22,6 +22,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"hash/crc32"
+	"os"
 	"sort"
 	"strings"
 	"text/template"
@@ -151,7 +152,15 @@ type Checksum struct {
 	CompactRevision int64
 }
 
+// boltOpen checks if the file exists and opens it in read-only mode.
+// Returns an error if the file does not exist.
 func boltOpen(path string) (*bolt.DB, error) {
+	// Check if the file exists
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		return nil, fmt.Errorf("file does not exist: %s", path)
+	}
+
+	// Open the file in read-only mode
 	return bolt.Open(path, 0400, &bolt.Options{
 		ReadOnly: true,
 	})