diff --git a/build.gradle b/build.gradle
index 1f009e5..01dcbf8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -43,7 +43,7 @@ docker {
 ext {
     commonsCodecVersion = "1.11"
     commonsLang3Version = "3.9"
-    guavaVersion = "28.0-jre"
+    guavaVersion = "31.0.1-jre"
     fastjsonVersion = "1.2.70"
     druidSpringBootStarterVersion = "1.1.10"
     swaggerVersion = "3.0.0"