diff --git a/build.gradle.kts b/build.gradle.kts
index 6b4830f7..59ae089b 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -12,7 +12,7 @@ val dependencyVersions = listOf(
   "net.bytebuddy:byte-buddy-agent:1.14.10",
   "org.apache.commons:commons-compress:1.25.0",
   "org.codehaus.groovy:groovy:3.0.19",
-  "org.apache.groovy:groovy:4.0.15",
+  "org.apache.groovy:groovy:4.0.16",
   "org.jetbrains:annotations:24.1.0",
   "org.junit:junit-bom:5.10.1",
 )
diff --git a/client-groovy4/build.gradle.kts b/client-groovy4/build.gradle.kts
index af5faf8f..339dcb38 100644
--- a/client-groovy4/build.gradle.kts
+++ b/client-groovy4/build.gradle.kts
@@ -103,8 +103,8 @@ dependencies {
   api("de.gesellix:docker-engine:2023-11-16T20-25-00")
   api("de.gesellix:docker-compose:2023-11-16T20-20-00")
 
-  implementation("org.apache.groovy:groovy:4.0.15")
-  implementation("org.apache.groovy:groovy-json:4.0.15")
+  implementation("org.apache.groovy:groovy:4.0.16")
+  implementation("org.apache.groovy:groovy-json:4.0.16")
 
   api("com.squareup.moshi:moshi:1.15.0")
   implementation("com.google.re2j:re2j:1.7")
diff --git a/explore/build.gradle.kts b/explore/build.gradle.kts
index 9c00cf63..b15e3626 100644
--- a/explore/build.gradle.kts
+++ b/explore/build.gradle.kts
@@ -63,7 +63,7 @@ dependencies {
 //  implementation(project(":client"))
   implementation(project(":client-groovy4"))
 //  implementation("org.codehaus.groovy:groovy:[3,4)")
-  implementation("org.apache.groovy:groovy:4.0.15")
+  implementation("org.apache.groovy:groovy:4.0.16")
   testImplementation("org.apache.commons:commons-compress:1.25.0")
 
   implementation("org.slf4j:slf4j-api:2.0.9")