diff --git a/client-groovy4/build.gradle.kts b/client-groovy4/build.gradle.kts
index 308dde22..6a5b81bd 100644
--- a/client-groovy4/build.gradle.kts
+++ b/client-groovy4/build.gradle.kts
@@ -15,82 +15,62 @@ dependencies {
   constraints {
     implementation("de.gesellix:docker-engine") {
       version {
-        strictly("[2024-11-06T01-01-01,)")
+        strictly("[2025-01-01T01-01-01,)")
       }
     }
     implementation("de.gesellix:docker-filesocket") {
       version {
-        strictly("[2024-11-04T01-01-01,)")
+        strictly("[2025-01-01T01-01-01,)")
       }
     }
     implementation("de.gesellix:docker-remote-api-model-1-41") {
       version {
-        strictly("[2024-11-06T01-01-01,)")
+        strictly("[2025-01-01T01-01-01,)")
       }
     }
-    implementation("org.slf4j:slf4j-api") {
+    implementation(libs.slf4j) {
       version {
-        strictly("[1.7,3)")
-        prefer("2.0.16")
+        strictly(libs.versions.slf4jVersionrange.get())
+        prefer(libs.versions.slf4j.get())
       }
     }
-    implementation("com.squareup.okhttp3:mockwebserver") {
-      version {
-        strictly("[4,5)")
-        prefer("4.12.0")
-      }
-    }
-    api("com.squareup.okhttp3:okhttp") {
-      version {
-        strictly("[4,5)")
-        prefer("4.12.0")
+    listOf(libs.bundles.okhttp).forEach {
+      implementation(it) {
+        version {
+          strictly(libs.versions.okhttpVersionrange.get())
+          prefer(libs.versions.okhttp.get())
+        }
       }
     }
-    listOf(
-        "com.squareup.okio:okio",
-        "com.squareup.okio:okio-jvm"
-    ).forEach {
+    listOf(libs.bundles.okio).forEach {
       implementation(it) {
         version {
-          strictly("[3,4)")
-          prefer("3.9.1")
+          strictly(libs.versions.okioVersionrange.get())
+          prefer(libs.versions.okio.get())
         }
       }
     }
-    listOf(
-        "org.jetbrains.kotlin:kotlin-reflect",
-        "org.jetbrains.kotlin:kotlin-stdlib",
-        "org.jetbrains.kotlin:kotlin-stdlib-jdk7",
-        "org.jetbrains.kotlin:kotlin-stdlib-jdk8",
-        "org.jetbrains.kotlin:kotlin-stdlib-common",
-        "org.jetbrains.kotlin:kotlin-test"
-    ).forEach {
+    listOf(libs.bundles.kotlin).forEach {
       implementation(it) {
         version {
-          strictly("[1.6,3)")
-          prefer("2.1.0")
+          strictly(libs.versions.kotlinVersionrange.get())
+          prefer(libs.versions.kotlin.get())
         }
       }
     }
-    listOf(
-        "org.apache.groovy:groovy",
-        "org.apache.groovy:groovy-json"
-    ).forEach {
+    listOf(libs.bundles.groovy4).forEach {
       implementation(it) {
         version {
-          strictly("[4,)")
-          prefer("4.0.24")
+          strictly(libs.versions.groovy4Versionrange.get())
+          prefer(libs.versions.groovy4.get())
         }
       }
     }
-    listOf(
-        "com.squareup.moshi:moshi",
-        "com.squareup.moshi:moshi-kotlin"
-    ).forEach {
+    listOf(libs.bundles.moshi).forEach {
       implementation(it) {
         version {
-          strictly("[1.12.0,)")
-          prefer("1.15.2")
+          strictly(libs.versions.moshiVersionrange.get())
+          prefer(libs.versions.moshi.get())
         }
       }
     }
@@ -103,24 +83,24 @@ dependencies {
   api("de.gesellix:docker-engine:2025-01-18T20-36-00")
   api("de.gesellix:docker-compose:2025-01-18T12-54-00")
 
-  implementation("org.apache.groovy:groovy:4.0.24")
-  implementation("org.apache.groovy:groovy-json:4.0.24")
+  implementation(libs.groovy4)
+  implementation(libs.groovy4json)
 
-  api("com.squareup.moshi:moshi:1.15.2")
+  api(libs.moshi)
   implementation("com.google.re2j:re2j:1.8")
 
-  implementation("org.slf4j:slf4j-api:2.0.16")
-  testImplementation("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
+  implementation(libs.slf4j)
+  testImplementation("ch.qos.logback:logback-classic:${libs.versions.logbackVersionrange.get()}!!${libs.versions.logback.get()}")
 
-  implementation("com.squareup.okio:okio:3.9.1")
-  api("com.squareup.okhttp3:okhttp:4.12.0")
-  testImplementation("com.squareup.okhttp3:mockwebserver:[4,5)")
+  implementation(libs.okio)
+  api(libs.okhttp)
+  testImplementation("com.squareup.okhttp3:mockwebserver:${libs.versions.okhttp.get()}")
 
   implementation("org.apache.commons:commons-compress:1.27.1")
 
-//  implementation("org.bouncycastle:bcpkix-jdk18on:1.76")
+//  implementation("org.bouncycastle:bcpkix-jdk18on:1.80")
 
-  testImplementation("de.gesellix:testutil:[2024-01-01T01-01-01,)")
+  testImplementation("de.gesellix:testutil:[2025-01-01T01-01-01,)")
 
   testImplementation("org.junit.platform:junit-platform-launcher:1.11.4")
   testImplementation("org.spockframework:spock-core:2.3-groovy-4.0")
diff --git a/client/build.gradle.kts b/client/build.gradle.kts
index 776c6b42..719b736e 100644
--- a/client/build.gradle.kts
+++ b/client/build.gradle.kts
@@ -15,82 +15,62 @@ dependencies {
   constraints {
     implementation("de.gesellix:docker-engine") {
       version {
-        strictly("[2024-11-06T01-01-01,)")
+        strictly("[2025-01-01T01-01-01,)")
       }
     }
     implementation("de.gesellix:docker-filesocket") {
       version {
-        strictly("[2024-11-04T01-01-01,)")
+        strictly("[2025-01-01T01-01-01,)")
       }
     }
     implementation("de.gesellix:docker-remote-api-model-1-41") {
       version {
-        strictly("[2024-11-06T01-01-01,)")
+        strictly("[2025-01-01T01-01-01,)")
       }
     }
-    implementation("org.slf4j:slf4j-api") {
+    implementation(libs.slf4j) {
       version {
-        strictly("[1.7,3)")
-        prefer("2.0.16")
+        strictly(libs.versions.slf4jVersionrange.get())
+        prefer(libs.versions.slf4j.get())
       }
     }
-    implementation("com.squareup.okhttp3:mockwebserver") {
-      version {
-        strictly("[4,5)")
-        prefer("4.12.0")
-      }
-    }
-    api("com.squareup.okhttp3:okhttp") {
-      version {
-        strictly("[4,5)")
-        prefer("4.12.0")
+    listOf(libs.bundles.okhttp).forEach {
+      implementation(it) {
+        version {
+          strictly(libs.versions.okhttpVersionrange.get())
+          prefer(libs.versions.okhttp.get())
+        }
       }
     }
-    listOf(
-        "com.squareup.okio:okio",
-        "com.squareup.okio:okio-jvm"
-    ).forEach {
+    listOf(libs.bundles.okio).forEach {
       implementation(it) {
         version {
-          strictly("[3,4)")
-          prefer("3.9.1")
+          strictly(libs.versions.okioVersionrange.get())
+          prefer(libs.versions.okio.get())
         }
       }
     }
-    listOf(
-        "org.jetbrains.kotlin:kotlin-reflect",
-        "org.jetbrains.kotlin:kotlin-stdlib",
-        "org.jetbrains.kotlin:kotlin-stdlib-jdk7",
-        "org.jetbrains.kotlin:kotlin-stdlib-jdk8",
-        "org.jetbrains.kotlin:kotlin-stdlib-common",
-        "org.jetbrains.kotlin:kotlin-test"
-    ).forEach {
+    listOf(libs.bundles.kotlin).forEach {
       implementation(it) {
         version {
-          strictly("[1.6,3)")
-          prefer("2.1.0")
+          strictly(libs.versions.kotlinVersionrange.get())
+          prefer(libs.versions.kotlin.get())
         }
       }
     }
-    listOf(
-        "org.codehaus.groovy:groovy",
-        "org.codehaus.groovy:groovy-json"
-    ).forEach {
+    listOf(libs.bundles.groovy3).forEach {
       implementation(it) {
         version {
-          strictly("[3,4)")
-          prefer("3.0.23")
+          strictly(libs.versions.groovy3Versionrange.get())
+          prefer(libs.versions.groovy3.get())
         }
       }
     }
-    listOf(
-        "com.squareup.moshi:moshi",
-        "com.squareup.moshi:moshi-kotlin"
-    ).forEach {
+    listOf(libs.bundles.moshi).forEach {
       implementation(it) {
         version {
-          strictly("[1.12.0,)")
-          prefer("1.15.2")
+          strictly(libs.versions.moshiVersionrange.get())
+          prefer(libs.versions.moshi.get())
         }
       }
     }
@@ -103,24 +83,24 @@ dependencies {
   api("de.gesellix:docker-engine:2025-01-18T20-36-00")
   api("de.gesellix:docker-compose:2025-01-18T12-54-00")
 
-  implementation("org.codehaus.groovy:groovy:3.0.23")
-  implementation("org.codehaus.groovy:groovy-json:3.0.23")
+  implementation(libs.groovy3)
+  implementation(libs.groovy3json)
 
-  api("com.squareup.moshi:moshi:1.15.2")
+  api(libs.moshi)
   implementation("com.google.re2j:re2j:1.8")
 
-  implementation("org.slf4j:slf4j-api:2.0.16")
-  testImplementation("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
+  implementation(libs.slf4j)
+  testImplementation("ch.qos.logback:logback-classic:${libs.versions.logbackVersionrange.get()}!!${libs.versions.logback.get()}")
 
-  implementation("com.squareup.okio:okio:3.9.1")
-  api("com.squareup.okhttp3:okhttp:4.12.0")
-  testImplementation("com.squareup.okhttp3:mockwebserver:[4,5)")
+  implementation(libs.okio)
+  api(libs.okhttp)
+  testImplementation("com.squareup.okhttp3:mockwebserver:${libs.versions.okhttp.get()}")
 
   implementation("org.apache.commons:commons-compress:1.27.1")
 
   implementation("org.bouncycastle:bcpkix-jdk18on:1.80")
 
-  testImplementation("de.gesellix:testutil:[2024-01-01T01-01-01,)")
+  testImplementation("de.gesellix:testutil:[2025-01-01T01-01-01,)")
 
   testImplementation("org.junit.platform:junit-platform-launcher:1.11.4")
   testImplementation("org.spockframework:spock-core:2.3-groovy-3.0")
diff --git a/explore/build.gradle.kts b/explore/build.gradle.kts
index 547aa49a..e19f4523 100644
--- a/explore/build.gradle.kts
+++ b/explore/build.gradle.kts
@@ -11,68 +11,55 @@ java {
 
 dependencies {
   constraints {
-    implementation("org.slf4j:slf4j-api") {
+    implementation(libs.slf4j) {
       version {
-        strictly("[1.7,3)")
-        prefer("2.0.16")
+        strictly(libs.versions.slf4jVersionrange.get())
+        prefer(libs.versions.slf4j.get())
       }
     }
-    implementation("com.squareup.okio:okio") {
+    implementation(libs.okio) {
       version {
-        strictly("[3,4)")
+        strictly(libs.versions.okioVersionrange.get())
       }
     }
-    listOf(
-      "org.jetbrains.kotlin:kotlin-reflect",
-      "org.jetbrains.kotlin:kotlin-stdlib",
-      "org.jetbrains.kotlin:kotlin-stdlib-jdk7",
-      "org.jetbrains.kotlin:kotlin-stdlib-jdk8",
-      "org.jetbrains.kotlin:kotlin-stdlib-common",
-      "org.jetbrains.kotlin:kotlin-test"
-    ).forEach {
+    listOf(libs.bundles.kotlin).forEach {
       implementation(it) {
         version {
-          strictly("[1.6,3)")
-          prefer("2.1.0")
+          strictly(libs.versions.kotlinVersionrange.get())
+          prefer(libs.versions.kotlin.get())
         }
       }
     }
-    listOf(
-        "org.codehaus.groovy:groovy",
-        "org.codehaus.groovy:groovy-json"
-    ).forEach {
+    listOf(libs.bundles.groovy3).forEach {
       implementation(it) {
         version {
-          strictly("[3,4)")
-          prefer("3.0.23")
+          strictly(libs.versions.groovy3Versionrange.get())
+          prefer(libs.versions.groovy3.get())
         }
       }
     }
-    listOf(
-      "org.apache.groovy:groovy",
-      "org.apache.groovy:groovy-json"
-    ).forEach {
+    listOf(libs.bundles.groovy4).forEach {
       implementation(it) {
         version {
-          strictly("[4,)")
-          prefer("4.0.24")
+          strictly(libs.versions.groovy4Versionrange.get())
+          prefer(libs.versions.groovy4.get())
         }
       }
     }
   }
 //  implementation(project(":client"))
   implementation(project(":client-groovy4"))
-//  implementation("org.codehaus.groovy:groovy:[3,4)")
-  implementation("org.apache.groovy:groovy:4.0.24")
+//  implementation(libs.groovy3)
+  implementation(libs.groovy4)
   testImplementation("org.apache.commons:commons-compress:1.27.1")
 
-  implementation("org.slf4j:slf4j-api:2.0.16")
-  runtimeOnly("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
+  implementation(libs.slf4j)
+  runtimeOnly("ch.qos.logback:logback-classic:${libs.versions.logbackVersionrange.get()}!!${libs.versions.logback.get()}")
 
 //  testImplementation("org.spockframework:spock-core:2.3-groovy-3.0")
   testImplementation("org.spockframework:spock-core:2.3-groovy-4.0")
   testRuntimeOnly("net.bytebuddy:byte-buddy:1.16.0")
-  testRuntimeOnly("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
+  testRuntimeOnly("ch.qos.logback:logback-classic:${libs.versions.logbackVersionrange.get()}!!${libs.versions.logback.get()}")
 }
 
 tasks {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
new file mode 100644
index 00000000..dbe487fc
--- /dev/null
+++ b/gradle/libs.versions.toml
@@ -0,0 +1,56 @@
+[versions]
+groovy3 = "3.0.23"
+groovy3Versionrange = "[3,4)"
+groovy4 = "4.0.24"
+groovy4Versionrange = "[4,)"
+junitJupiter = "5.11.4"
+junitPlatform = "1.11.4"
+kotlin = "2.1.0"
+kotlinVersionrange = "[1.6,3)"
+logback = "1.3.15"
+logbackVersionrange = "[1.2,2)"
+moshi = "1.15.2"
+moshiVersionrange = "[1.12.0,2)"
+okhttp = "4.12.0"
+okhttpVersionrange = "[4,5)"
+okio = "3.10.2"
+okioVersionrange = "[3,4)"
+slf4j = "2.0.16"
+slf4jVersionrange = "[1.7,3)"
+
+[libraries]
+groovy3 = { module = "org.codehaus.groovy:groovy", version.ref = "groovy3" }
+groovy3json = { module = "org.codehaus.groovy:groovy-json", version.ref = "groovy3" }
+groovy4 = { module = "org.apache.groovy:groovy", version.ref = "groovy4" }
+groovy4json = { module = "org.apache.groovy:groovy-json", version.ref = "groovy4" }
+junitJupiterApi = { module = "org.junit.jupiter:junit-jupiter-api", version.ref = "junitJupiter" }
+junitJupiterEngine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "junitJupiter" }
+junitPlatformCommons = { module = "org.junit.platform:junit-platform-commons", version.ref = "junitPlatform" }
+junitPlatformLauncher = { module = "org.junit.platform:junit-platform-launcher", version.ref = "junitPlatform" }
+kotlin = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kotlin" }
+kotlinCommon = { module = "org.jetbrains.kotlin:kotlin-stdlib-common", version.ref = "kotlin" }
+kotlinJdk7 = { module = "org.jetbrains.kotlin:kotlin-stdlib-jdk7", version.ref = "kotlin" }
+kotlinJdk8 = { module = "org.jetbrains.kotlin:kotlin-stdlib-jdk8", version.ref = "kotlin" }
+kotlinReflect = { module = "org.jetbrains.kotlin:kotlin-reflect", version.ref = "kotlin" }
+kotlinScriptingJvm = { module = "org.jetbrains.kotlin:kotlin-scripting-jvm", version.ref = "kotlin" }
+kotlinStdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kotlin" }
+kotlinTest = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
+logback = { module = "ch.qos.logback:logback-classic", version.ref = "logback" }
+moshi = { module = "com.squareup.moshi:moshi", version.ref = "moshi" }
+moshiKotlin = { module = "com.squareup.moshi:moshi-kotlin", version.ref = "moshi" }
+okhttp = { module = "com.squareup.okhttp3:okhttp", version.ref = "okhttp" }
+okhttpMockwebserver = { module = "com.squareup.okhttp3:mockwebserver", version.ref = "okhttp" }
+okio = { module = "com.squareup.okio:okio", version.ref = "okio" }
+okioJvm = { module = "com.squareup.okio:okio-jvm", version.ref = "okio" }
+slf4j = { module = "org.slf4j:slf4j-api", version.ref = "slf4j" }
+
+[bundles]
+groovy3 = ["groovy3", "groovy3json"]
+groovy4 = ["groovy4", "groovy4json"]
+kotlin = ["kotlin", "kotlinCommon", "kotlinJdk7", "kotlinJdk8", "kotlinReflect", "kotlinScriptingJvm", "kotlinStdlib", "kotlinTest"]
+moshi = ["moshi", "moshiKotlin"]
+okhttp = ["okhttp", "okhttpMockwebserver"]
+okio = ["okio", "okioJvm"]
+
+[plugins]
+kotlinJvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
diff --git a/integration-test/build.gradle.kts b/integration-test/build.gradle.kts
index 1ecc9d3b..6a2747df 100644
--- a/integration-test/build.gradle.kts
+++ b/integration-test/build.gradle.kts
@@ -13,63 +13,50 @@ dependencies {
   constraints {
     implementation("de.gesellix:docker-engine") {
       version {
-        strictly("[2024-11-06T01-01-01,)")
+        strictly("[2025-01-01T01-01-01,)")
       }
     }
     implementation("de.gesellix:docker-filesocket") {
       version {
-        strictly("[2024-11-04T01-01-01,)")
+        strictly("[2025-01-01T01-01-01,)")
       }
     }
     implementation("de.gesellix:docker-remote-api-model-1-41") {
       version {
-        strictly("[2024-11-06T01-01-01,)")
+        strictly("[2025-01-01T01-01-01,)")
       }
     }
-    implementation("org.slf4j:slf4j-api") {
+    implementation(libs.slf4j) {
       version {
-        strictly("[1.7,3)")
-        prefer("2.0.16")
+        strictly(libs.versions.slf4jVersionrange.get())
+        prefer(libs.versions.slf4j.get())
       }
     }
-    listOf(
-      "com.squareup.okhttp3:mockwebserver",
-      "com.squareup.okhttp3:okhttp"
-    ).forEach {
+    listOf(libs.bundles.okhttp).forEach {
       implementation(it) {
         version {
-          strictly("[4,5)")
-          prefer("4.12.0")
+          strictly(libs.versions.okhttpVersionrange.get())
+          prefer(libs.versions.okhttp.get())
         }
       }
     }
-    implementation("com.squareup.okio:okio") {
+    implementation(libs.okio) {
       version {
-        strictly("[3,4)")
+        strictly(libs.versions.okioVersionrange.get())
       }
     }
-    implementation("com.squareup.moshi:moshi") {
-      version {
-        strictly("[1.12.0,2)")
-      }
-    }
-    implementation("com.squareup.moshi:moshi-kotlin") {
-      version {
-        strictly("[1.12.0,2)")
+    listOf(libs.bundles.moshi).forEach {
+      implementation(it) {
+        version {
+          strictly(libs.versions.moshiVersionrange.get())
+        }
       }
     }
-    listOf(
-      "org.jetbrains.kotlin:kotlin-reflect",
-      "org.jetbrains.kotlin:kotlin-stdlib",
-      "org.jetbrains.kotlin:kotlin-stdlib-jdk7",
-      "org.jetbrains.kotlin:kotlin-stdlib-jdk8",
-      "org.jetbrains.kotlin:kotlin-stdlib-common",
-      "org.jetbrains.kotlin:kotlin-test"
-    ).forEach {
+    listOf(libs.bundles.kotlin).forEach {
       implementation(it) {
         version {
-          strictly("[1.6,3)")
-          prefer("2.1.0")
+          strictly(libs.versions.kotlinVersionrange.get())
+          prefer(libs.versions.kotlin.get())
         }
       }
     }
@@ -84,15 +71,15 @@ dependencies {
   testImplementation("org.apache.commons:commons-compress:1.27.1")
 
   testImplementation("org.slf4j:slf4j-api:[1.7,)")
-  runtimeOnly("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
+  runtimeOnly("ch.qos.logback:logback-classic:${libs.versions.logbackVersionrange.get()}!!${libs.versions.logback.get()}")
 
-  testImplementation("de.gesellix:docker-registry:2024-11-24T11-22-00")
-  testImplementation("de.gesellix:testutil:[2024-01-01T01-01-01,)")
+  testImplementation("de.gesellix:docker-registry:2025-01-18T21-41-00")
+  testImplementation("de.gesellix:testutil:[2025-01-01T01-01-01,)")
   testImplementation("org.spockframework:spock-core:2.3-groovy-3.0")
 //  testImplementation("org.spockframework:spock-core:2.3-groovy-4.0")
   testRuntimeOnly("net.bytebuddy:byte-buddy:1.16.0")
   testImplementation("org.apache.commons:commons-lang3:3.17.0")
-  testRuntimeOnly("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
+  testRuntimeOnly("ch.qos.logback:logback-classic:${libs.versions.logbackVersionrange.get()}!!${libs.versions.logback.get()}")
 }
 
 tasks{