diff --git a/docs/examples/junit4/generic/build.gradle b/docs/examples/junit4/generic/build.gradle
index fa752256d29..d3bd00cd7c6 100644
--- a/docs/examples/junit4/generic/build.gradle
+++ b/docs/examples/junit4/generic/build.gradle
@@ -8,7 +8,7 @@ dependencies {
 
     testRuntimeOnly 'mysql:mysql-connector-java:8.0.33'
     testImplementation "org.seleniumhq.selenium:selenium-api:4.21.0"
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
 }
 
 test {
diff --git a/docs/examples/junit4/redis/build.gradle b/docs/examples/junit4/redis/build.gradle
index 73353512e03..f63c03c835f 100644
--- a/docs/examples/junit4/redis/build.gradle
+++ b/docs/examples/junit4/redis/build.gradle
@@ -5,5 +5,5 @@ dependencies {
 
     testImplementation "junit:junit:4.13.2"
     testImplementation project(":testcontainers")
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
 }
diff --git a/docs/examples/junit5/redis/build.gradle b/docs/examples/junit5/redis/build.gradle
index d6f3e3089bf..10bba0c357c 100644
--- a/docs/examples/junit5/redis/build.gradle
+++ b/docs/examples/junit5/redis/build.gradle
@@ -8,7 +8,7 @@ dependencies {
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.10.2"
     testImplementation project(":testcontainers")
     testImplementation project(":junit-jupiter")
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
 }
 
 test {
diff --git a/examples/cucumber/build.gradle b/examples/cucumber/build.gradle
index 9080bb647ae..b790622845a 100644
--- a/examples/cucumber/build.gradle
+++ b/examples/cucumber/build.gradle
@@ -16,7 +16,7 @@ dependencies {
     testImplementation 'io.cucumber:cucumber-java'
     testImplementation 'io.cucumber:cucumber-junit'
     testImplementation 'org.testcontainers:selenium'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
 }
 
 test {
diff --git a/examples/hazelcast/build.gradle b/examples/hazelcast/build.gradle
index bdafe6e8857..62dd4347f84 100644
--- a/examples/hazelcast/build.gradle
+++ b/examples/hazelcast/build.gradle
@@ -10,7 +10,7 @@ dependencies {
     testImplementation 'org.testcontainers:testcontainers'
     testImplementation 'com.hazelcast:hazelcast:5.3.6'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
 }
 
diff --git a/examples/immudb/build.gradle b/examples/immudb/build.gradle
index 41245b42428..82e3912fdc8 100644
--- a/examples/immudb/build.gradle
+++ b/examples/immudb/build.gradle
@@ -10,7 +10,7 @@ dependencies {
     implementation 'io.codenotary:immudb4j:1.0.1'
     testImplementation 'org.testcontainers:testcontainers'
     testImplementation 'org.testcontainers:junit-jupiter'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'com.google.guava:guava:23.0'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
diff --git a/examples/kafka-cluster/build.gradle b/examples/kafka-cluster/build.gradle
index 3444fce3251..58bb2053574 100644
--- a/examples/kafka-cluster/build.gradle
+++ b/examples/kafka-cluster/build.gradle
@@ -11,7 +11,7 @@ dependencies {
     testAnnotationProcessor "org.projectlombok:lombok:1.18.30"
     testImplementation 'org.testcontainers:kafka'
     testImplementation 'org.apache.kafka:kafka-clients:3.6.1'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'com.google.guava:guava:23.0'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
diff --git a/examples/linked-container/build.gradle b/examples/linked-container/build.gradle
index 1febab7cdc2..327ffc270a2 100644
--- a/examples/linked-container/build.gradle
+++ b/examples/linked-container/build.gradle
@@ -12,6 +12,6 @@ dependencies {
     testRuntimeOnly 'org.postgresql:postgresql:42.7.1'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
     testImplementation 'org.testcontainers:postgresql'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
 }
 
diff --git a/examples/nats/build.gradle b/examples/nats/build.gradle
index 374c00c9b8b..45f19e28300 100644
--- a/examples/nats/build.gradle
+++ b/examples/nats/build.gradle
@@ -7,7 +7,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'org.testcontainers:testcontainers'
     testImplementation 'io.nats:jnats:2.18.1'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
diff --git a/examples/neo4j-container/build.gradle b/examples/neo4j-container/build.gradle
index 16544de2d02..be39a73653f 100644
--- a/examples/neo4j-container/build.gradle
+++ b/examples/neo4j-container/build.gradle
@@ -7,7 +7,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'org.neo4j.driver:neo4j-java-driver:4.4.13'
     testImplementation 'org.testcontainers:neo4j'
     testImplementation 'org.testcontainers:junit-jupiter'
diff --git a/examples/ollama-hugging-face/build.gradle b/examples/ollama-hugging-face/build.gradle
index e90846dfbc1..b086e18d9f4 100644
--- a/examples/ollama-hugging-face/build.gradle
+++ b/examples/ollama-hugging-face/build.gradle
@@ -8,7 +8,7 @@ repositories {
 
 dependencies {
     testImplementation 'org.testcontainers:ollama'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
     testImplementation 'io.rest-assured:rest-assured:5.4.0'
diff --git a/examples/redis-backed-cache-testng/build.gradle b/examples/redis-backed-cache-testng/build.gradle
index 383ba2b8d48..deaebcfe386 100644
--- a/examples/redis-backed-cache-testng/build.gradle
+++ b/examples/redis-backed-cache-testng/build.gradle
@@ -14,7 +14,7 @@ dependencies {
     testImplementation 'org.testcontainers:testcontainers'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
     testImplementation 'org.testng:testng:7.5.1'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
 }
 
 test {
diff --git a/examples/redis-backed-cache/build.gradle b/examples/redis-backed-cache/build.gradle
index 79ebab4d131..f77f6d0c915 100644
--- a/examples/redis-backed-cache/build.gradle
+++ b/examples/redis-backed-cache/build.gradle
@@ -15,7 +15,7 @@ dependencies {
     testImplementation 'org.testcontainers:junit-jupiter'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
 }
 
 test {
diff --git a/examples/selenium-container/build.gradle b/examples/selenium-container/build.gradle
index 07ba6abd8d0..2f6d8efa901 100644
--- a/examples/selenium-container/build.gradle
+++ b/examples/selenium-container/build.gradle
@@ -16,7 +16,7 @@ dependencies {
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testImplementation 'org.testcontainers:selenium'
     testImplementation 'org.testcontainers:junit-jupiter'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
 }
 
diff --git a/examples/sftp/build.gradle b/examples/sftp/build.gradle
index 16de7430814..f8374f71a8b 100644
--- a/examples/sftp/build.gradle
+++ b/examples/sftp/build.gradle
@@ -9,7 +9,7 @@ repositories {
 dependencies {
     testImplementation 'com.jcraft:jsch:0.1.55'
     testImplementation 'org.testcontainers:testcontainers'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
 }
diff --git a/examples/singleton-container/build.gradle b/examples/singleton-container/build.gradle
index 37f68bb5f0f..8f1ac850d47 100644
--- a/examples/singleton-container/build.gradle
+++ b/examples/singleton-container/build.gradle
@@ -15,7 +15,7 @@ dependencies {
 
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
     testImplementation 'org.testcontainers:testcontainers'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
 }
 
diff --git a/examples/solr-container/build.gradle b/examples/solr-container/build.gradle
index 61356829e52..b2edf66a582 100644
--- a/examples/solr-container/build.gradle
+++ b/examples/solr-container/build.gradle
@@ -14,7 +14,7 @@ dependencies {
 
     testImplementation 'org.testcontainers:testcontainers'
     testImplementation 'org.testcontainers:solr'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
 }
 
diff --git a/examples/zookeeper/build.gradle b/examples/zookeeper/build.gradle
index fd0ec2a060b..881b645c5d9 100644
--- a/examples/zookeeper/build.gradle
+++ b/examples/zookeeper/build.gradle
@@ -9,7 +9,7 @@ repositories {
 dependencies {
     testImplementation 'org.apache.curator:curator-framework:5.6.0'
     testImplementation 'org.testcontainers:testcontainers'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
 }
diff --git a/test-support/build.gradle b/test-support/build.gradle
index d293570b0ad..6908ad63ace 100644
--- a/test-support/build.gradle
+++ b/test-support/build.gradle
@@ -1,5 +1,5 @@
 dependencies {
     implementation 'junit:junit:4.13.2'
     implementation 'org.slf4j:slf4j-api:1.7.36'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.3'
 }