diff --git a/LICENSE b/LICENSE
index 8a67ba5a0..4995bcef1 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 Kroki
+Copyright (c) 2020-present Kroki
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/docs/antora.yml b/docs/antora.yml
index 537ea5ca6..9a0e5e0c3 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -7,7 +7,7 @@ asciidoc:
     blockdiag-version: 3.1.0
     bpmn-version: 14.2.0
     bytefield-version: 1.8.0
-    c4plantuml-version: 1.2023.13
+    c4plantuml-version: 1.2024.1
     d2-version: 0.6.3
     dbml-version: 1.0.27
     diagramsnet-version: 16.2.4
@@ -20,7 +20,7 @@ asciidoc:
     nwdiag-version: 3.1.0
     packetdiag-version: 3.1.0
     pikchr-version: '7269f78c4a'
-    plantuml-version: 1.2023.13
+    plantuml-version: 1.2024.1
     rackdiag-version: 3.1.0
     seqdiag-version: 3.1.0
     structurizr-version: 1.32.0
diff --git a/server/ops/docker/jdk17-jammy/Dockerfile b/server/ops/docker/jdk17-jammy/Dockerfile
index addef3952..4167ebd24 100644
--- a/server/ops/docker/jdk17-jammy/Dockerfile
+++ b/server/ops/docker/jdk17-jammy/Dockerfile
@@ -235,7 +235,7 @@ RUN SVGBOB_VERSION=`cat Cargo.toml | grep "svgbob_cli =" | sed -r 's/.*"([^"]+)"
 FROM eclipse-temurin:17.0.9_9-jre-jammy
 
 ARG D2_VERSION="0.6.3"
-ARG PLANTUML_VERSION="1.2023.13"
+ARG PLANTUML_VERSION="1.2024.1"
 ARG UMLET_VERSION="2023-03-20_UMLet_v15.1"
 ARG GRAPHVIZ_VERSION="9.0.0"
 ARG DITAA_VERSION="1.0.3"
diff --git a/server/src/main/java/io/kroki/server/service/Plantuml.java b/server/src/main/java/io/kroki/server/service/Plantuml.java
index 89f6a901d..70d988afa 100644
--- a/server/src/main/java/io/kroki/server/service/Plantuml.java
+++ b/server/src/main/java/io/kroki/server/service/Plantuml.java
@@ -184,7 +184,7 @@ public SourceDecoder getSourceDecoder() {
 
   @Override
   public String getVersion() {
-    return "1.2023.13";
+    return "1.2024.1";
   }
 
   @Override