diff --git a/gradle.properties b/gradle.properties
index a463e974..76c0369c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -42,7 +42,7 @@ jipsyVersion          = 1.1.1
 jsonSmartVersion      = 2.4.7
 junitVersion          = 5.7.2
 hamcrestVersion       = 2.2
-mailApiVersion        = 1.6.6
+mailApiVersion        = 1.6.7
 mavenVersion          = 3.6.0
 mustacheVersion       = 0.9.7
 picocliVersion        = 4.6.1