diff --git a/build.gradle b/build.gradle
index 260241a2..914dde65 100644
--- a/build.gradle
+++ b/build.gradle
@@ -65,7 +65,7 @@ subprojects {
         testImplementation platform('org.junit:junit-bom:5.13.4')
         testImplementation 'org.junit.jupiter:junit-jupiter'
         testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
-        testImplementation 'org.assertj:assertj-core:3.27.3'
+        testImplementation 'org.assertj:assertj-core:3.27.4'
         testImplementation 'org.mockito:mockito-core:5.18.0'
         testImplementation 'uk.org.webcompere:system-stubs-jupiter:2.1.8'
 
diff --git a/examples/fabric-contract-example-as-service/build.gradle b/examples/fabric-contract-example-as-service/build.gradle
index 0b4e270b..24d5eb81 100644
--- a/examples/fabric-contract-example-as-service/build.gradle
+++ b/examples/fabric-contract-example-as-service/build.gradle
@@ -16,7 +16,7 @@ dependencies {
     implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.5.6'
     implementation 'org.json:json:20250517'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.13.4'
-    testImplementation 'org.assertj:assertj-core:3.27.3'
+    testImplementation 'org.assertj:assertj-core:3.27.4'
     testImplementation 'org.mockito:mockito-core:5.18.0'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
diff --git a/examples/fabric-contract-example-gradle/build.gradle b/examples/fabric-contract-example-gradle/build.gradle
index 1b417ef8..1a8b41c1 100644
--- a/examples/fabric-contract-example-gradle/build.gradle
+++ b/examples/fabric-contract-example-gradle/build.gradle
@@ -16,7 +16,7 @@ dependencies {
     implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.5.6'
     implementation 'org.json:json:20250517'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.13.4'
-    testImplementation 'org.assertj:assertj-core:3.27.3'
+    testImplementation 'org.assertj:assertj-core:3.27.4'
     testImplementation 'org.mockito:mockito-core:5.18.0'
 }
 
diff --git a/examples/ledger-api/build.gradle b/examples/ledger-api/build.gradle
index 3b8e2639..38db2cc3 100644
--- a/examples/ledger-api/build.gradle
+++ b/examples/ledger-api/build.gradle
@@ -16,7 +16,7 @@ dependencies {
     implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.5.6'
     implementation 'org.json:json:20250517'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.13.4'
-    testImplementation 'org.assertj:assertj-core:3.27.3'
+    testImplementation 'org.assertj:assertj-core:3.27.4'
     testImplementation 'org.mockito:mockito-core:5.18.0'
 }