diff --git a/core/license/THIRD_PARTY_LICENSES.txt b/core/license/THIRD_PARTY_LICENSES.txt
index f82cfe0735..30bbc5646f 100644
--- a/core/license/THIRD_PARTY_LICENSES.txt
+++ b/core/license/THIRD_PARTY_LICENSES.txt
@@ -47,7 +47,7 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 OF THE POSSIBILITY OF SUCH DAMAGE.
 
 ===============================================================================
-## at.yawk.lz4:lz4-java@1.10.4 (Apache-2.0)
+## at.yawk.lz4:lz4-java@1.11.1 (Apache-2.0)
 
 URL for License – http://opensource.org/licenses/Apache-2.0
 
diff --git a/core/org.openjdk.jmc.common/pom.xml b/core/org.openjdk.jmc.common/pom.xml
index 5a266018dd..ae977a555f 100644
--- a/core/org.openjdk.jmc.common/pom.xml
+++ b/core/org.openjdk.jmc.common/pom.xml
@@ -51,7 +51,7 @@
 		<dependency>
 			<groupId>at.yawk.lz4</groupId>
 			<artifactId>lz4-java</artifactId>
-			<version>1.10.4</version>
+			<version>1.11.1</version>
 		</dependency>
 	</dependencies>
 </project>
diff --git a/license/THIRDPARTYREADME.txt b/license/THIRDPARTYREADME.txt
index d67b0375af..4cb5adfbf5 100644
--- a/license/THIRDPARTYREADME.txt
+++ b/license/THIRDPARTYREADME.txt
@@ -363,7 +363,7 @@ the Author.
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  THE POSSIBILITY OF SUCH DAMAGE.
  
-%% The following notice is provided with respect to lz4-java v1.10.4,
+%% The following notice is provided with respect to lz4-java v1.11.1,
 which may be included with this product.
 
 URL for License � http://opensource.org/licenses/Apache-2.0
diff --git a/releng/platform-definitions/platform-definition-2024-12/platform-definition-2024-12.target b/releng/platform-definitions/platform-definition-2024-12/platform-definition-2024-12.target
index 71cbbeb0d5..784d7d4868 100644
--- a/releng/platform-definitions/platform-definition-2024-12/platform-definition-2024-12.target
+++ b/releng/platform-definitions/platform-definition-2024-12/platform-definition-2024-12.target
@@ -39,7 +39,7 @@
             <unit id="org.eclipse.angus.jakarta.mail" version="2.0.5"/>
             <unit id="angus-activation" version="2.0.3"/>
             <unit id="org.owasp.encoder" version="1.4.0"/>
-            <unit id="lz4-java" version="1.10.4"/>
+            <unit id="lz4-java" version="1.11.1"/>
             <unit id="org.hdrhistogram.HdrHistogram" version="2.2.2"/>
             <unit id="org.adoptopenjdk.jemmy-awt-input" version="2.0.0"/>
             <unit id="org.adoptopenjdk.jemmy-browser" version="2.0.0"/>
diff --git a/releng/platform-definitions/platform-definition-2025-03/platform-definition-2025-03.target b/releng/platform-definitions/platform-definition-2025-03/platform-definition-2025-03.target
index ecc9620a5a..9a8c2b372f 100644
--- a/releng/platform-definitions/platform-definition-2025-03/platform-definition-2025-03.target
+++ b/releng/platform-definitions/platform-definition-2025-03/platform-definition-2025-03.target
@@ -39,7 +39,7 @@
             <unit id="org.eclipse.angus.jakarta.mail" version="2.0.5"/>
             <unit id="angus-activation" version="2.0.3"/>
             <unit id="org.owasp.encoder" version="1.4.0"/>
-            <unit id="lz4-java" version="1.10.4"/>
+            <unit id="lz4-java" version="1.11.1"/>
             <unit id="org.hdrhistogram.HdrHistogram" version="2.2.2"/>
             <unit id="org.adoptopenjdk.jemmy-awt-input" version="2.0.0"/>
             <unit id="org.adoptopenjdk.jemmy-browser" version="2.0.0"/>
diff --git a/releng/platform-definitions/platform-definition-2025-06/platform-definition-2025-06.target b/releng/platform-definitions/platform-definition-2025-06/platform-definition-2025-06.target
index 735bc39695..aeba9e744a 100644
--- a/releng/platform-definitions/platform-definition-2025-06/platform-definition-2025-06.target
+++ b/releng/platform-definitions/platform-definition-2025-06/platform-definition-2025-06.target
@@ -39,7 +39,7 @@
             <unit id="org.eclipse.angus.jakarta.mail" version="2.0.5"/>
             <unit id="angus-activation" version="2.0.3"/>
             <unit id="org.owasp.encoder" version="1.4.0"/>
-            <unit id="lz4-java" version="1.10.4"/>
+            <unit id="lz4-java" version="1.11.1"/>
             <unit id="org.hdrhistogram.HdrHistogram" version="2.2.2"/>
             <unit id="org.adoptopenjdk.jemmy-awt-input" version="2.0.0"/>
             <unit id="org.adoptopenjdk.jemmy-browser" version="2.0.0"/>
diff --git a/releng/platform-definitions/platform-definition-2025-09/platform-definition-2025-09.target b/releng/platform-definitions/platform-definition-2025-09/platform-definition-2025-09.target
index 1e0c8c534c..8c6d48230f 100644
--- a/releng/platform-definitions/platform-definition-2025-09/platform-definition-2025-09.target
+++ b/releng/platform-definitions/platform-definition-2025-09/platform-definition-2025-09.target
@@ -38,7 +38,7 @@
             <unit id="org.eclipse.angus.jakarta.mail" version="2.0.5"/>
             <unit id="angus-activation" version="2.0.3"/>
             <unit id="org.owasp.encoder" version="1.4.0"/>
-            <unit id="lz4-java" version="1.10.4"/>
+            <unit id="lz4-java" version="1.11.1"/>
             <unit id="org.hdrhistogram.HdrHistogram" version="2.2.2"/>
             <unit id="org.adoptopenjdk.jemmy-awt-input" version="2.0.0"/>
             <unit id="org.adoptopenjdk.jemmy-browser" version="2.0.0"/>
diff --git a/releng/platform-definitions/platform-definition-2025-12/platform-definition-2025-12.target b/releng/platform-definitions/platform-definition-2025-12/platform-definition-2025-12.target
index 316e20041a..171f1e0b94 100644
--- a/releng/platform-definitions/platform-definition-2025-12/platform-definition-2025-12.target
+++ b/releng/platform-definitions/platform-definition-2025-12/platform-definition-2025-12.target
@@ -39,7 +39,7 @@
             <unit id="org.eclipse.angus.jakarta.mail" version="2.0.5"/>
             <unit id="angus-activation" version="2.0.3"/>
             <unit id="org.owasp.encoder" version="1.4.0"/>
-            <unit id="lz4-java" version="1.10.4"/>
+            <unit id="lz4-java" version="1.11.1"/>
             <unit id="org.hdrhistogram.HdrHistogram" version="2.2.2"/>
             <unit id="org.adoptopenjdk.jemmy-awt-input" version="2.0.0"/>
             <unit id="org.adoptopenjdk.jemmy-browser" version="2.0.0"/>
diff --git a/releng/platform-definitions/platform-definition-2026-03/platform-definition-2026-03.target b/releng/platform-definitions/platform-definition-2026-03/platform-definition-2026-03.target
index c1ad9ae666..e65cf93d0c 100644
--- a/releng/platform-definitions/platform-definition-2026-03/platform-definition-2026-03.target
+++ b/releng/platform-definitions/platform-definition-2026-03/platform-definition-2026-03.target
@@ -39,7 +39,7 @@
             <unit id="org.eclipse.angus.jakarta.mail" version="2.0.5"/>
             <unit id="angus-activation" version="2.0.3"/>
             <unit id="org.owasp.encoder" version="1.4.0"/>
-            <unit id="lz4-java" version="1.10.4"/>
+            <unit id="lz4-java" version="1.11.1"/>
             <unit id="org.hdrhistogram.HdrHistogram" version="2.2.2"/>
             <unit id="org.adoptopenjdk.jemmy-awt-input" version="2.0.0"/>
             <unit id="org.adoptopenjdk.jemmy-browser" version="2.0.0"/>
diff --git a/releng/platform-definitions/platform-definition-2026-06/platform-definition-2026-06.target b/releng/platform-definitions/platform-definition-2026-06/platform-definition-2026-06.target
index af39e98f25..8809af1874 100644
--- a/releng/platform-definitions/platform-definition-2026-06/platform-definition-2026-06.target
+++ b/releng/platform-definitions/platform-definition-2026-06/platform-definition-2026-06.target
@@ -39,7 +39,7 @@
             <unit id="org.eclipse.angus.jakarta.mail" version="2.0.5"/>
             <unit id="angus-activation" version="2.0.3"/>
             <unit id="org.owasp.encoder" version="1.4.0"/>
-            <unit id="lz4-java" version="1.10.4"/>
+            <unit id="lz4-java" version="1.11.1"/>
             <unit id="org.hdrhistogram.HdrHistogram" version="2.2.2"/>
             <unit id="org.adoptopenjdk.jemmy-awt-input" version="2.0.0"/>
             <unit id="org.adoptopenjdk.jemmy-browser" version="2.0.0"/>
diff --git a/releng/third-party/pom.xml b/releng/third-party/pom.xml
index 873a91edd1..87a39d5b12 100644
--- a/releng/third-party/pom.xml
+++ b/releng/third-party/pom.xml
@@ -56,7 +56,7 @@
 		<jakarta.activation.version>2.1.4</jakarta.activation.version>
 		<osgi-resource-locator.version>1.0.3</osgi-resource-locator.version>
 		<owasp.encoder.version>1.4.0</owasp.encoder.version>
-		<lz4.version>1.10.4</lz4.version>
+		<lz4.version>1.11.1</lz4.version>
 		<hdrhistogram.version>2.2.2</hdrhistogram.version>
 		<jemmy.version>2.0.0</jemmy.version>
 		<jetty.version>12.1.9</jetty.version>