diff --git a/core/vm/contracts_cache.go b/core/vm/contracts_cache.go
index ccf4474e80..352a318d03 100644
--- a/core/vm/contracts_cache.go
+++ b/core/vm/contracts_cache.go
@@ -1,17 +1,24 @@
 package vm
 
 import (
+	"sync"
+
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/lru"
 )
 
-var caches map[common.Address]*lru.Cache[string, []byte]
+var (
+	caches map[common.Address]*lru.Cache[string, []byte]
+	mu     sync.RWMutex
+)
 
 func init() {
 	caches = make(map[common.Address]*lru.Cache[string, []byte])
 }
 
 func addCache(precompile common.Address, input, output []byte) {
+	mu.Lock()
+	defer mu.Unlock()
 	cache, ok := caches[precompile]
 	if !ok {
 		cache = lru.NewCache[string, []byte](128)
@@ -21,6 +28,8 @@ func addCache(precompile common.Address, input, output []byte) {
 }
 
 func getCache(precompile common.Address, input []byte) ([]byte, bool) {
+	mu.RLock()
+	defer mu.RUnlock()
 	cache, ok := caches[precompile]
 	if !ok {
 		caches[precompile] = lru.NewCache[string, []byte](128)