diff --git a/doc/deployment/Creating-a-release.md b/doc/deployment/Creating-a-release.md
index 64bf74256..03889ba8e 100644
--- a/doc/deployment/Creating-a-release.md
+++ b/doc/deployment/Creating-a-release.md
@@ -60,6 +60,8 @@ is recent enough to include the most recent changes in the
 
 1. Do the same for the `EPICS32` 32-bit build, replacing `EPICS` with `EPICS32` everywhere in the commands above.
 1. Check release is now listed in [`https://control-svcs.isis.cclrc.ac.uk/git/?a=project_list;pf=releases`](https://control-svcs.isis.cclrc.ac.uk/git/?a=project_list;pf=releases)
+1. Run the [`instrument_deploy.yaml` ansible playbook](https://github.com/ISISComputingGroup/ansible-playbooks/tree/main?tab=readme-ov-file#instrument_deployyaml) which currently installs the JDK on instruments. 
+
 
 {#creating_release_testing_steps}
 ### Testing
diff --git a/doc/overview/First-Time-Build.md b/doc/overview/First-Time-Build.md
index 8391a9243..fa0f9efab 100644
--- a/doc/overview/First-Time-Build.md
+++ b/doc/overview/First-Time-Build.md
@@ -19,14 +19,12 @@ See  [Install Visual Studio](/iocs/compiling/Install-Visual-Studio)
 {#first_time_install_java}
 ## Install Java JDK
 
-Install **OpenJDK 21 hotspot** from https://adoptium.net/?variant=openjdk21&jvmVariant=hotspot (the MSI installer is fine, tick all the boxes when it asks you which components to install)
+Install the **OpenJDK 25 hotspot** binary zip from https://adoptium.net and extract to `\instrument\apps\JDK\25`
 
 ```{important}
 **Do not install an Oracle JDK**. It has an unsuitable license.
 ```
 
-You may wish to install some optional java components [as detailed here](#developer_upgrade_java).
-
 {#first_time_install_maven}
 ## Install Maven 
 
diff --git a/doc/processes/dev_processes/Dependency-Updates.md b/doc/processes/dev_processes/Dependency-Updates.md
index c8d4a2a70..2d31c64e4 100644
--- a/doc/processes/dev_processes/Dependency-Updates.md
+++ b/doc/processes/dev_processes/Dependency-Updates.md
@@ -138,16 +138,16 @@ In `create_icp_binaries.bat`, update the unpacked version of MySQL used during t
 In `c:\instrument\apps\epics\support\mysql\master\MySQLCppApp\src\mysql-connector-c++`, update the vendor submodule to a recent version, then rebuild `mysql`, `pvdump`, and then all IOCs, in that order.
 
 ### Java
-- Get the latest AdoptOpen JDK msi file from `https://adoptium.net/releases.html?jvmVariant=hotspot` and put it in `\\isis\shares\ISIS_Experiment_Controls_Public\third_party_installers\latest_versions`.
+- Get the latest AdoptOpen JDK zip file from `https://adoptium.net/releases.html?jvmVariant=hotspot` and put it in `C:\instrument\apps\JDK\<majorver>\`.
   * Only upgrade major versions to another LTS version.
-- Copy the older version onto the `\\isis\shares\ISIS_Experiment_Controls_Public\third_party_installers\old_versions`. 
-- Uninstall the older version from control Panel and install the new version.
+- Uninstall the older version from control Panel, remove any references from the `PATH` environment variable.
 - Test that running `start_ibex_server.bat` completes successfully, and ensure there are no obvious errors in the IOC log files for:
   * ARBLOCK
   * ARINST
   * ALARM
   * IOCLOG
 - Check that CS Studio IDE is loaded correctly
+- Update the Ansible playbook with the new version as per [these instructions](https://github.com/ISISComputingGroup/ansible-playbooks/tree/main?tab=readme-ov-file#updating-jdk-version). 
 
 ### Maven
 - There are two versions of maven, this is to update the one following the format `maven-X.x.x`