Install third-party software
- Last Updated: May 13, 2026
- 1 minute read
- Semaphore
- Documentation
The following third-party software is required for installation of the Semaphore software.
Java JDK
The following are Java JDK requirements by version. See Technical Specifications for the Semaphore server for more information on supported Java versions.
Semaphore 5.6 and Semaphore 5.8
A Java JDK version 11 or higher is required. For these versions of Semaphore, the following are specifically supported:
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Amazon Corretto 11 x64 (64 bit) - Refer to https://docs.aws.amazon.com/corretto/latest/corretto-11-ug/generic-linux-install.html for details.
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OpenJDK 11 x64 (64 bit) - Refer to https://openjdk.java.net/install/ for details (note that in Oracle Enterprise Linux (OEL)/CentOS, this is generally available as package java-11-openjdk within the standard yum repositories).
Semaphore 5.10
A Java JDK version 17 or higher is required. For this version of Semaphore, the following are specifically supported:
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Amazon Corretto 17 x64 (64 bit) - See https://docs.aws.amazon.com/corretto/latest/corretto-17-ug/generic-linux-install.html for details.
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OpenJDK 17 x64 (64 bit) - See https://openjdk.java.net/install/ for details.