diff --git a/synapse-aws-auth/build.gradle b/synapse-aws-auth/build.gradle
index 1cfd3214..25364895 100644
--- a/synapse-aws-auth/build.gradle
+++ b/synapse-aws-auth/build.gradle
@@ -11,7 +11,7 @@ dependencies {
     api "software.amazon.awssdk:utils:${awsSdkVersion}"
 
     testImplementation project(':synapse-testsupport')
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
     testImplementation "org.springframework.boot:spring-boot-starter-test:${springBootVersion}"
     testImplementation "com.jayway.jsonpath:json-path-assert:2.5.0"
diff --git a/synapse-aws-kinesis/build.gradle b/synapse-aws-kinesis/build.gradle
index b1e75909..1748dbc6 100644
--- a/synapse-aws-kinesis/build.gradle
+++ b/synapse-aws-kinesis/build.gradle
@@ -10,7 +10,7 @@ dependencies {
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.12.2"
     implementation "org.springframework.retry:spring-retry:1.2.4.RELEASE"
 
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
     testImplementation "org.springframework.boot:spring-boot-starter-test:${springBootVersion}"
     testImplementation "com.jayway.jsonpath:json-path-assert:2.5.0"
diff --git a/synapse-aws-sqs/build.gradle b/synapse-aws-sqs/build.gradle
index 7fc923ec..ab00aca8 100644
--- a/synapse-aws-sqs/build.gradle
+++ b/synapse-aws-sqs/build.gradle
@@ -8,7 +8,7 @@ dependencies {
     implementation "software.amazon.awssdk:sqs:${awsSdkVersion}"
 
     // Use JUnit test framework
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
     testImplementation "org.springframework.boot:spring-boot-starter-test:${springBootVersion}"
     testImplementation "org.springframework.boot:spring-boot-starter-web:${springBootVersion}"
diff --git a/synapse-compaction-aws-s3/build.gradle b/synapse-compaction-aws-s3/build.gradle
index 7ee5947d..fef065c9 100644
--- a/synapse-compaction-aws-s3/build.gradle
+++ b/synapse-compaction-aws-s3/build.gradle
@@ -11,7 +11,7 @@ dependencies {
     testImplementation "software.amazon.awssdk:kinesis:${awsSdkVersion}"
     testImplementation project(':synapse-aws-kinesis')
     testImplementation project(':synapse-testsupport')
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
     testImplementation "org.springframework.boot:spring-boot-starter-test:${springBootVersion}"
     testImplementation "com.jayway.jsonpath:json-path-assert:2.5.0"
diff --git a/synapse-core/build.gradle b/synapse-core/build.gradle
index 43e61504..36724138 100644
--- a/synapse-core/build.gradle
+++ b/synapse-core/build.gradle
@@ -30,7 +30,7 @@ dependencies {
 
     testImplementation project(':synapse-testsupport:')
 
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
     testImplementation "org.springframework.boot:spring-boot-starter-test:${springBootVersion}"
     testImplementation "com.jayway.jsonpath:json-path-assert:2.5.0"
diff --git a/synapse-edison/build.gradle b/synapse-edison/build.gradle
index c875d9eb..e6bea3f3 100644
--- a/synapse-edison/build.gradle
+++ b/synapse-edison/build.gradle
@@ -13,7 +13,7 @@ dependencies {
     implementation "io.micrometer:micrometer-core:1.6.5"
 
     testImplementation project(':synapse-testsupport:')
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
     testImplementation "de.otto.edison:edison-testsupport:${edisonVersion}"
     testImplementation "org.mockito:mockito-core:3.1.0"
diff --git a/synapse-examples/example-edison/build.gradle b/synapse-examples/example-edison/build.gradle
index 69d9398e..dfbfe44a 100644
--- a/synapse-examples/example-edison/build.gradle
+++ b/synapse-examples/example-edison/build.gradle
@@ -36,7 +36,7 @@ dependencies {
     implementation project(':synapse-testsupport:')
 
 
-    testCompile 'junit:junit:4.12'
+    testCompile 'junit:junit:4.13.2'
     testImplementation "org.springframework.boot:spring-boot-test:${springBootVersion}"
     testImplementation "org.springframework:spring-test:${springVersion}"
     testImplementation "org.awaitility:awaitility:3.1.1"
diff --git a/synapse-examples/example-eventsource-consumer/build.gradle b/synapse-examples/example-eventsource-consumer/build.gradle
index a197dec7..fadd7652 100644
--- a/synapse-examples/example-eventsource-consumer/build.gradle
+++ b/synapse-examples/example-eventsource-consumer/build.gradle
@@ -32,7 +32,7 @@ dependencies {
 
     implementation project(':synapse-testsupport:')
 
-    testCompile 'junit:junit:4.12'
+    testCompile 'junit:junit:4.13.2'
 
     testImplementation "org.springframework.boot:spring-boot-test:${springBootVersion}"
     testImplementation "org.springframework:spring-test:${springVersion}"
diff --git a/synapse-examples/example-messagelog-consumer/build.gradle b/synapse-examples/example-messagelog-consumer/build.gradle
index 35120110..4156d0f3 100644
--- a/synapse-examples/example-messagelog-consumer/build.gradle
+++ b/synapse-examples/example-messagelog-consumer/build.gradle
@@ -33,7 +33,7 @@ dependencies {
 
     implementation project(':synapse-testsupport:')
 
-    testCompile 'junit:junit:4.12'
+    testCompile 'junit:junit:4.13.2'
 
     testImplementation "org.springframework.boot:spring-boot-test:${springBootVersion}"
     testImplementation "org.springframework:spring-test:${springVersion}"
diff --git a/synapse-examples/example-messagequeue-consumer/build.gradle b/synapse-examples/example-messagequeue-consumer/build.gradle
index 57f7bef3..6adb9d8a 100644
--- a/synapse-examples/example-messagequeue-consumer/build.gradle
+++ b/synapse-examples/example-messagequeue-consumer/build.gradle
@@ -32,7 +32,7 @@ dependencies {
 
     implementation project(':synapse-testsupport:')
 
-    testCompile 'junit:junit:4.12'
+    testCompile 'junit:junit:4.13.2'
 
 
     testImplementation "org.springframework.boot:spring-boot-test:${springBootVersion}"
diff --git a/synapse-examples/example-producer/build.gradle b/synapse-examples/example-producer/build.gradle
index a2b19b14..1397929c 100644
--- a/synapse-examples/example-producer/build.gradle
+++ b/synapse-examples/example-producer/build.gradle
@@ -33,7 +33,7 @@ dependencies {
 
     implementation project(':synapse-testsupport:')
 
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation "org.mockito:mockito-core:3.1.0"
     testImplementation "org.springframework.boot:spring-boot-test:${springBootVersion}"
     testImplementation "org.springframework:spring-test:${springVersion}"
diff --git a/synapse-examples/example-subscription-consumer/build.gradle b/synapse-examples/example-subscription-consumer/build.gradle
index 71ce9693..fca252d8 100644
--- a/synapse-examples/example-subscription-consumer/build.gradle
+++ b/synapse-examples/example-subscription-consumer/build.gradle
@@ -34,7 +34,7 @@ dependencies {
 
     implementation project(':synapse-testsupport:')
 
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation "org.mockito:mockito-core:3.1.0"
     testImplementation "org.springframework.boot:spring-boot-test:${springBootVersion}"
     testImplementation "org.springframework:spring-test:${springVersion}"
diff --git a/synapse-examples/example-subscription-producer/build.gradle b/synapse-examples/example-subscription-producer/build.gradle
index 71ce9693..fca252d8 100644
--- a/synapse-examples/example-subscription-producer/build.gradle
+++ b/synapse-examples/example-subscription-producer/build.gradle
@@ -34,7 +34,7 @@ dependencies {
 
     implementation project(':synapse-testsupport:')
 
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation "org.mockito:mockito-core:3.1.0"
     testImplementation "org.springframework.boot:spring-boot-test:${springBootVersion}"
     testImplementation "org.springframework:spring-test:${springVersion}"
diff --git a/synapse-kafka/build.gradle b/synapse-kafka/build.gradle
index 19f1d168..84094e57 100644
--- a/synapse-kafka/build.gradle
+++ b/synapse-kafka/build.gradle
@@ -7,7 +7,7 @@ dependencies {
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.12.2"
     implementation "org.springframework.kafka:spring-kafka:2.6.6"
 
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
     testImplementation "org.springframework.kafka:spring-kafka-test:2.6.6"
     testImplementation "org.springframework.boot:spring-boot-starter-test:${springBootVersion}"
diff --git a/synapse-redis/build.gradle b/synapse-redis/build.gradle
index c595c116..0cf70896 100644
--- a/synapse-redis/build.gradle
+++ b/synapse-redis/build.gradle
@@ -17,7 +17,7 @@ dependencies {
 
     testImplementation 'com.github.kstyrc:embedded-redis:0.6'
 
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
     testImplementation "org.springframework.boot:spring-boot-starter-test:${springBootVersion}"
     testImplementation "com.jayway.jsonpath:json-path-assert:2.5.0"
diff --git a/synapse-testsupport/build.gradle b/synapse-testsupport/build.gradle
index dfe4484c..af7d6dd3 100644
--- a/synapse-testsupport/build.gradle
+++ b/synapse-testsupport/build.gradle
@@ -18,7 +18,7 @@ dependencies {
     }
 
     // Use JUnit test framework
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
     testImplementation "org.springframework.boot:spring-boot-starter-test:${springBootVersion}"
     testImplementation "com.jayway.jsonpath:json-path-assert:2.5.0"