diff --git a/build.gradle.kts b/build.gradle.kts
index 6cc58bbe..7bb2222d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -10,7 +10,7 @@ val dependencyVersions = listOf(
   "com.squareup.okio:okio-jvm:3.9.0",
   "net.bytebuddy:byte-buddy:1.15.0",
   "net.bytebuddy:byte-buddy-agent:1.15.0",
-  "org.apache.commons:commons-compress:1.26.2",
+  "org.apache.commons:commons-compress:1.27.1",
   "org.apache.commons:commons-lang3:3.15.0",
   "org.codehaus.groovy:groovy:3.0.22",
   "org.codehaus.groovy:groovy-json:3.0.22",
diff --git a/client-groovy4/build.gradle.kts b/client-groovy4/build.gradle.kts
index f028fe8a..9888fb5d 100644
--- a/client-groovy4/build.gradle.kts
+++ b/client-groovy4/build.gradle.kts
@@ -116,7 +116,7 @@ dependencies {
   api("com.squareup.okhttp3:okhttp:4.12.0")
   testImplementation("com.squareup.okhttp3:mockwebserver:[4,5)")
 
-  implementation("org.apache.commons:commons-compress:1.26.2")
+  implementation("org.apache.commons:commons-compress:1.27.1")
 
 //  implementation("org.bouncycastle:bcpkix-jdk18on:1.76")
 
diff --git a/client/build.gradle.kts b/client/build.gradle.kts
index 3974562d..a0570a0a 100644
--- a/client/build.gradle.kts
+++ b/client/build.gradle.kts
@@ -116,7 +116,7 @@ dependencies {
   api("com.squareup.okhttp3:okhttp:4.12.0")
   testImplementation("com.squareup.okhttp3:mockwebserver:[4,5)")
 
-  implementation("org.apache.commons:commons-compress:1.26.2")
+  implementation("org.apache.commons:commons-compress:1.27.1")
 
   implementation("org.bouncycastle:bcpkix-jdk18on:1.78.1")
 
diff --git a/explore/build.gradle.kts b/explore/build.gradle.kts
index 2d187353..4d02c31c 100644
--- a/explore/build.gradle.kts
+++ b/explore/build.gradle.kts
@@ -64,7 +64,7 @@ dependencies {
   implementation(project(":client-groovy4"))
 //  implementation("org.codehaus.groovy:groovy:[3,4)")
   implementation("org.apache.groovy:groovy:4.0.22")
-  testImplementation("org.apache.commons:commons-compress:1.26.2")
+  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")
diff --git a/integration-test/build.gradle.kts b/integration-test/build.gradle.kts
index c45c6b30..b237f2c3 100644
--- a/integration-test/build.gradle.kts
+++ b/integration-test/build.gradle.kts
@@ -81,7 +81,7 @@ dependencies {
   testImplementation("com.kohlschutter.junixsocket:junixsocket-common:[2.4,)")
 
   testImplementation("net.jodah:failsafe:2.4.4")
-  testImplementation("org.apache.commons:commons-compress:1.26.2")
+  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")