diff --git a/build.gradle b/build.gradle
index cd876425..71d25f09 100644
--- a/build.gradle
+++ b/build.gradle
@@ -86,7 +86,7 @@ dependencies {
     testImplementation 'org.jenkins-ci.plugins:credentials-binding'
     testImplementation 'org.jenkins-ci.plugins:http_request'
     testImplementation "org.jenkins-ci.main:jenkins-war:${jenkinsVersion}"
-    testImplementation('org.testcontainers:spock:1.20.4') {
+    testImplementation('org.testcontainers:spock:1.20.5') {
         exclude group: 'org.spockframework', module: 'spock-core'
     }
     testImplementation 'org.spockframework:spock-core:2.3-groovy-3.0'