You probably need to add the jasypt spring boot library:

implementation 'com.github.ulisesbocchio:jasypt-spring-boot-starter:3.0.5'

<dependency>
    <groupId>com.github.ulisesbocchio</groupId>
    <artifactId>jasypt-spring-boot-starter</artifactId>
    <version>3.0.5</version>
</dependency>