diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index 179765ca..111996f9 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -9,6 +9,9 @@ repositories {
 
 dependencies {
     implementation 'org.apache.commons:commons-lang3:3.12.0'
-    implementation "org._10ne.gradle:rest-gradle-plugin:0.4.2"
+    implementation('org._10ne.gradle:rest-gradle-plugin:0.4.2') {
+        // the following is needed because of https://github.com/grails/grails-core/issues/13587
+        exclude group: 'org.codehaus.groovy.modules.http-builder', module: 'http-builder'
+    }
     implementation 'org.codehaus.groovy.modules.http-builder:http-builder:0.7.1'
 }
diff --git a/gradle.properties b/gradle.properties
index 65b3bea1..b05fd15e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -23,7 +23,7 @@ tomcat9_version = 9.0.82
 tomcat9_servlet_api_version = 4.0.1
 asm_version = 9.6
 spock_version = 1.3-groovy-2.5
-commons_cli_version = 1.5.0
+commons_cli_version = 1.3.1
 commons_io_version = 2.14.0
 slf4j_version = 2.0.9
 springBootVersion = 2.6.3