diff --git a/build.gradle b/build.gradle
index d9f2506b..5f66609d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -111,11 +111,11 @@ dependencies {
     testImplementation group: "io.kestra", name: "repository-memory", version: kestraVersion
 
     // testcontainers
-    testImplementation "org.testcontainers:testcontainers:1.19.5"
-    testImplementation "org.testcontainers:junit-jupiter:1.19.5"
-    testImplementation "org.testcontainers:localstack:1.19.5"
+    testImplementation "org.testcontainers:testcontainers:1.19.0"
+    testImplementation "org.testcontainers:junit-jupiter:1.19.0"
+    testImplementation "org.testcontainers:localstack:1.19.0"
     // Localstack module misses SDK v1 classes that are mandatory, see https://github.com/testcontainers/testcontainers-java/issues/1442#issuecomment-694342883
-    testImplementation 'com.amazonaws:aws-java-sdk-s3'
+    testImplementation 'com.amazonaws:aws-java-sdk-s3:1.12.520'
 }
 
 /**********************************************************************************************************************\
diff --git a/src/test/java/io/kestra/plugin/aws/AbstractLocalStackTest.java b/src/test/java/io/kestra/plugin/aws/AbstractLocalStackTest.java
index 71ed5fe8..71f3448f 100644
--- a/src/test/java/io/kestra/plugin/aws/AbstractLocalStackTest.java
+++ b/src/test/java/io/kestra/plugin/aws/AbstractLocalStackTest.java
@@ -10,7 +10,7 @@
 @MicronautTest
 @Testcontainers
 public class AbstractLocalStackTest {
-    public static String LOCALSTACK_VERSION = "localstack/localstack:2.3.2";
+    public static String LOCALSTACK_VERSION = "localstack/localstack:1.4.0";
 
     protected static LocalStackContainer localstack;