diff --git a/setup_ubuntu_env.sh b/setup_ubuntu_env.sh
index 39cbad4..00db849 100644
--- a/setup_ubuntu_env.sh
+++ b/setup_ubuntu_env.sh
@@ -128,7 +128,7 @@ Options:
   --python           Install Python 3, venv and pip
   --php              Install PHP runtime for Laravel-style apps
   --composer         Install Composer
-  --java             Install OpenJDK 21
+  --java             Install OpenJDK 26
   --maven            Install Maven
   --go               Install Go toolchain from Ubuntu repo
   --corepack         Enable pnpm and yarn via Corepack
@@ -217,8 +217,8 @@ install_runtime_composer() {
 }
 
 install_runtime_java() {
-  log "Installing OpenJDK 21"
-  install_apt_packages openjdk-21-jdk
+  log "Installing OpenJDK 26"
+  install_apt_packages openjdk-26-jdk
 }
 
 install_runtime_maven() {