diff --git a/docs/getting_started/requirements.rst b/docs/getting_started/requirements.rst
index f9417c7..ca6c2bf 100644
--- a/docs/getting_started/requirements.rst
+++ b/docs/getting_started/requirements.rst
@@ -12,7 +12,7 @@
 ----------
 
 TF-A Tests may be built using a Linux build host machine with a recent Linux
-distribution. We have performed tests using Ubuntu 16.04 LTS (64-bit), but other
+distribution. We have performed tests using Ubuntu 20.04 LTS (64-bit), but other
 distributions should also work fine, provided that the tools and libraries
 can be installed.
 
@@ -26,17 +26,17 @@
     sudo apt-get install device-tree-compiler build-essential git perl libxml-libxml-perl
 
 Download and install the GNU cross-toolchain from Linaro. The TF-A Tests have
-been tested with version 9.2-2019.12 (gcc 9.2):
+been tested with version 11.2-2022.02 (gcc 11.2):
 
 -  `GCC cross-toolchain`_
 
 In addition, the following optional packages and tools may be needed:
 
--   For debugging, Arm `Development Studio 5 (DS-5)`_.
+-   For debugging, Arm `Development Studio (Arm-DS)`_.
 
-.. _GCC cross-toolchain: https://developer.arm.com/open-source/gnu-toolchain/gnu-a/downloads
-.. _Development Studio 5 (DS-5): https://developer.arm.com/products/software-development-tools/ds-5-development-studio
+.. _GCC cross-toolchain: https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/downloads
+.. _Development Studio (Arm-DS): https://developer.arm.com/Tools%20and%20Software/Arm%20Development%20Studio
 
 --------------
 
-*Copyright (c) 2019, Arm Limited. All rights reserved.*
+*Copyright (c) 2019-2022, Arm Limited. All rights reserved.*