diff --git a/gradle.properties b/gradle.properties
index 57903450..7cf32de4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -12,7 +12,7 @@ githubBranch=7.0.x
 developers=Puneet Behl
 
 # for forge build process which is a micronaut 3.x.x app with picocli
-acme4jClientVersion=3.4.0
+acme4jClientVersion=3.5.1
 acme4jUtilsVersion=2.16
 antlr4Version=4.8-1!!
 asciidoctorGradleJvmVersion=4.0.4