diff --git a/build.gradle b/build.gradle
index d8db6985f3..8162fbf850 100644
--- a/build.gradle
+++ b/build.gradle
@@ -108,7 +108,7 @@ buildscript {
     ext.commons_collections_version = '4.3'
     ext.beanutils_version = '1.9.4'
     ext.jsr305_version = constants.getProperty("jsr305Version")
-    ext.shiro_version = '1.8.0'
+    ext.shiro_version = '1.9.1'
     ext.artifactory_plugin_version = constants.getProperty('artifactoryPluginVersion')
     ext.hikari_version = '3.3.1'
     ext.liquibase_version = '3.6.3'