Liquibase 4.12 Upgrade --> SQL Parse Error?

Liquibase Development
1

Attempting to upgrade from 4.7.1 to 4.12.0
MSSQL 2019 Database
Using XML changelog w/ sqlFile changeset

An SQL file that worked fine under 4.7.1 contains an update statement like this:

update tab1 set col1 ='{"state":"CANCELED","isFinal":true}' where col2 = 'aCertainValue';

now with 4.12.0 it produces the error:

com.microsoft.sqlserver.jdbc.SQLServerException: Unclosed quotation mark after the character string '{"state":"CANCELED","isFinal":true'.

It appears that Liquibase is getting confused trying to parse the JSON contained within the single quotes.

Any suggestions for what I do next?

Thanks!