diff --git a/ganttproject-tester/build.gradle b/ganttproject-tester/build.gradle
index 599694e038..23bf70cea1 100644
--- a/ganttproject-tester/build.gradle
+++ b/ganttproject-tester/build.gradle
@@ -22,7 +22,7 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.11.3'
     testImplementation 'org.jooq:jooq:3.19.15'
     testImplementation "com.h2database:h2:2.3.+"
-    testImplementation "org.easymock:easymock:5.4.0"
+    testImplementation "org.easymock:easymock:5.5.0"
 
     testImplementation fileTree(dir: project.projectDir.absolutePath + "/resources")
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"