diff --git a/gradle.properties b/gradle.properties
index 9d5eae31..74e6b4b9 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -24,7 +24,7 @@ junitVersion=5.8.2
 slf4jVersion=1.7.32
 jacksonVersion=2.13.1
 postgresqlDriverVersion=42.3.1
-springdocVersion=1.6.3
+springdocVersion=1.6.4
 flexmarkVersion=0.62.2
 
 # kotlin libs