diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index baf0f333..4aa098e3 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -17,7 +17,7 @@ jacksonDatabind = "2.22.1"
 picocli = "4.7.7"
 snakeYaml = "2.0"
 rundeck = "6.1.0-SNAPSHOT"
-testcontainers = "1.21.4"
+testcontainers = "2.0.5"
 commonsCompress = "1.28.0"
 # Spock mocks of concrete classes; not always pulled transitively with groovy-all 4.x
 byteBuddy = "1.18.11"
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index f558de1d..a6be2e07 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -415,11 +415,24 @@
             <sha256 value="5d94d2855a3636a6b0b321ce4d02fce3a521159bcc3f15aa5f7609c9cc0c6180" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.github.docker-java" name="docker-java-api" version="3.7.1">
+         <artifact name="docker-java-api-3.7.1.jar">
+            <sha256 value="dad153d484b1f4ef009e2fdbad27e07aeb3191122da52b8985507ac504300081" origin="Generated by Gradle"/>
+         </artifact>
+         <artifact name="docker-java-api-3.7.1.pom">
+            <sha256 value="8d3586d7080e0787a7212bed4f6fe11a54d52f9abeeca5f89bee208c6308b16c" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="com.github.docker-java" name="docker-java-parent" version="3.4.2">
          <artifact name="docker-java-parent-3.4.2.pom">
             <sha256 value="644584f9fe6542fb616b77c0f912dbef39bb4583f4797eae6805f1072987ef66" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.github.docker-java" name="docker-java-parent" version="3.7.1">
+         <artifact name="docker-java-parent-3.7.1.pom">
+            <sha256 value="78e673434e0e1a4b825863a8fe4d6417f495affdce7b4d308f3774447a73b0ff" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="com.github.docker-java" name="docker-java-transport" version="3.4.2">
          <artifact name="docker-java-transport-3.4.2.jar">
             <sha256 value="bc9981224fdc2d4726566fc723470601ceb14378265c865b4c203146a4e39765" origin="Generated by Gradle"/>
@@ -428,6 +441,14 @@
             <sha256 value="7871db22ce92dab9355da8f7e4bd6e23a068102e78cefa400a8d8041b8b5cc97" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.github.docker-java" name="docker-java-transport" version="3.7.1">
+         <artifact name="docker-java-transport-3.7.1.jar">
+            <sha256 value="d15eec8034bf0f92c2a48ca9172691804048115c96dc853272f9486fa2695c3c" origin="Generated by Gradle"/>
+         </artifact>
+         <artifact name="docker-java-transport-3.7.1.pom">
+            <sha256 value="3baef9998eeea238ef4432fe2ce0ff0eeaf90fe8d3a03fd06a5e224814be4916" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="com.github.docker-java" name="docker-java-transport-zerodep" version="3.4.2">
          <artifact name="docker-java-transport-zerodep-3.4.2.jar">
             <sha256 value="582b772e0c52fa9d24710617ef610655465edd9a2930b0db75fc8667d6a8d02b" origin="Generated by Gradle"/>
@@ -436,6 +457,14 @@
             <sha256 value="cf9ce4f0eb9c600595b7e884f92a3f4af4b764b47b64a97debf4f3488d147a5c" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.github.docker-java" name="docker-java-transport-zerodep" version="3.7.1">
+         <artifact name="docker-java-transport-zerodep-3.7.1.jar">
+            <sha256 value="b89bdb1754160323597f9ea32a7fe7a4a3aa8f5b3b43b88e8d71fff3b267ab21" origin="Generated by Gradle"/>
+         </artifact>
+         <artifact name="docker-java-transport-zerodep-3.7.1.pom">
+            <sha256 value="d72f69b2f40ba791f3b32cab4f165ccc11836ff1811d0533751cf2dcc57495ed" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="com.github.gmazzo" name="gradle-buildconfig-plugin" version="3.1.0">
          <artifact name="gradle-buildconfig-plugin-3.1.0.jar">
             <sha256 value="caa943e078a3c56a03134c0e7ef81416d19f1cd839e9f6728c1a62283b1407ca" origin="Generated by Gradle" reason="Artifact is not signed"/>
@@ -2755,6 +2784,14 @@
             <sha256 value="b9c494b15923d7fd94d793bd1e7d45887f750350265eaeebf7e2891918032874" origin="Maven Central" reason="A key couldn't be downloaded"/>
          </artifact>
       </component>
+      <component group="org.testcontainers" name="testcontainers" version="2.0.5">
+         <artifact name="testcontainers-2.0.5.jar">
+            <sha256 value="0466f481343d5f350a91274cd7bf984308cbaf90d706247fd1cf4b1a8010c2e1" origin="Generated by Gradle"/>
+         </artifact>
+         <artifact name="testcontainers-2.0.5.pom">
+            <sha256 value="78839aaa8e34da1c483deb57e4f383a8045abacda5549bc79840f25794963103" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="org.testcontainers" name="testcontainers-bom" version="1.16.2">
          <artifact name="testcontainers-bom-1.16.2.pom">
             <sha256 value="4cdc10db524d5c7efdc7dac9fbfac58befb3741b9a765d99289f28843fb1c56e" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>