Unable to figure out how a transitive dependency of a particular version is ending up in my jar?

Unable to figure out how a transitive dependency of a particular version is ending up in my jar?

In my dependency section, I list guava 26.0-jre and I have jar task in my build.gradle so when I do gradle clean build and untar the jar and look at the guava version I see it is 19.0 instead of 26.0-jre

I did the following under myproject

gradle dependencies | grep guava
gradle dependencyInsight --configuration compile --dependency guava

none of them show 19.0 anywhere I only see 26.0-jre from these commands

but when I untar the jar and go to META_INF/maven. I can see the version of com.google.guava in pom.properties as 19.0 and because of this, I am getting NoSuchMethodError Exception at runtime.

How guava 19.0 ending up in my jar I have no idea. any thoughts?