diff --git a/snowy-web-app/src/main/resources/application.yaml b/snowy-web-app/src/main/resources/application.yaml
index b0e464bf..c53563cd 100644
--- a/snowy-web-app/src/main/resources/application.yaml
+++ b/snowy-web-app/src/main/resources/application.yaml
@@ -42,6 +42,7 @@ spring:
         test-on-borrow: false
         test-on-return: false
         test-while-idle: true
+        validation-query: SELECT 1
         time-between-eviction-runs-millis: 60000
         min-evictable-idle-time-millis: 300000
         filters: stat