diff --git a/auth/cas/CAS/readme_moodle.txt b/auth/cas/CAS/readme_moodle.txt
index 1c0d35aaa12..ef425eedc00 100644
--- a/auth/cas/CAS/readme_moodle.txt
+++ b/auth/cas/CAS/readme_moodle.txt
@@ -4,23 +4,27 @@ Last release can be found at https://github.com/apereo/phpCAS/releases
 
 NOTICE:
  * Before running composer command, make sure you have the composer version updated.
- * Composer version 2.2.4 2022-01-08 12:30:42
+ * Composer version 2.7.7 2024-06-16 19:06:42
 
 STEPS:
- * Make sure you're using the lowest supported PHP version for the given release (e.g. PHP 7.4 for Moodle 4.1)
- * Create a temporary folder outside your Moodle installation
- * Execute 'composer require apereo/phpcas:VERSION'
+ * Make sure you're using the lowest supported PHP version for the given release (e.g. PHP 8.1 for Moodle 4.5)
+ * Create a temporary folder outside your Moodle installation e.g. /tmp/phpcas
+ * Create a composer.json file with the following content inside the temporary folder (you will need to replace X.YY to the proper version to be upgraded):
+{
+    "require": {
+        "apereo/phpcas": "X.YY"
+    },
+    "replace": {
+        "psr/log": "*"
+    }
+}
+ * Execute 'composer require apereo/phpcas' inside the temporary folder.
+ * Check to make sure the following directory hasn't been created
+   - vendor/psr/log
  * Check any new libraries that have been added and make sure they do not exist in Moodle already.
- * Remove the old 'vendor' directory in auth/cas/CAS/
- * Copy contents of 'vendor' directory
+ * Remove the 'vendor' directory in auth/cas/CAS/
+ * Copy the '/tmp/phpcas/vendor' directory into auth/cas/CAS/
  * Create a commit with only the library changes.
    - Note: Make sure to check the list of unversioned files and add any new files to the staging area.
  * Update auth/cas/thirdpartylibs.xml
- * Apply the modifications described in the CHANGES section
- * Create another commit with the previous two steps of changes
-
-CHANGES:
- * Remove all the hidden folders and files in vendor/apereo/phpcas/ (find . -name ".*"):
-  - .codecov.yml
-  - .gitattributes
-  - .github
\ No newline at end of file
+ * Create another commit with the previous change
diff --git a/auth/cas/auth.php b/auth/cas/auth.php
index 7378b4fa436..a7b76eb9b41 100644
--- a/auth/cas/auth.php
+++ b/auth/cas/auth.php
@@ -30,7 +30,6 @@ defined('MOODLE_INTERNAL') || die();
 
 require_once($CFG->dirroot.'/auth/ldap/auth.php');
 require_once($CFG->dirroot.'/auth/cas/CAS/vendor/autoload.php');
-require_once($CFG->dirroot.'/auth/cas/CAS/vendor/apereo/phpcas/source/CAS.php');
 
 /**
  * CAS authentication plugin.
diff --git a/auth/cas/thirdpartylibs.xml b/auth/cas/thirdpartylibs.xml
index 7133c36e295..ab154811baa 100644
--- a/auth/cas/thirdpartylibs.xml
+++ b/auth/cas/thirdpartylibs.xml
@@ -4,7 +4,7 @@
     <location>CAS</location>
     <name>CAS</name>
     <description>phpCAS library to support CAS authentication plugin.</description>
-    <version>1.6.0</version>
+    <version>1.6.1</version>
     <license>Apache</license>
     <licenseversion>2.0</licenseversion>
     <repository>https://github.com/apereo/phpCAS</repository>