diff --git a/examples/mongodb-container/build.gradle b/examples/mongodb-container/build.gradle
index c09cb033489..57b578a1607 100644
--- a/examples/mongodb-container/build.gradle
+++ b/examples/mongodb-container/build.gradle
@@ -8,6 +8,6 @@ repositories {
 
 dependencies {
     testImplementation 'org.testcontainers:testcontainers'
-    testImplementation 'junit:junit:4.13'
+    testImplementation 'junit:junit:4.13.1'
     testCompileClasspath 'org.jetbrains:annotations:20.1.0'
 }
diff --git a/examples/redis-backed-cache/build.gradle b/examples/redis-backed-cache/build.gradle
index 258c98fb107..b0b6865aea7 100644
--- a/examples/redis-backed-cache/build.gradle
+++ b/examples/redis-backed-cache/build.gradle
@@ -12,6 +12,6 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'com.google.guava:guava:23.0'
     testImplementation 'org.testcontainers:testcontainers'
-    testImplementation 'junit:junit:4.13'
+    testImplementation 'junit:junit:4.13.1'
     testImplementation 'ch.qos.logback:logback-classic:1.2.3'
 }