diff --git a/changelogs/fragments/mysql_variables_allow_uppercase_identifiers.yml b/changelogs/fragments/mysql_variables_allow_uppercase_identifiers.yml
new file mode 100644
index 0000000..7802e8f
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+++ b/changelogs/fragments/mysql_variables_allow_uppercase_identifiers.yml
@@ -0,0 +1,4 @@
+---
+bugfix:
+  - mysql_variables - Add uppercase character pattern to regex to allow GLOBAL variables containing uppercase characters.
+    This recognises variable names used in Galera, e.g. wsrep_OSU_method, which break the normal pattern of all lowercase characters.