Reactor Dependency Convergence

Legend:
[Error] At least one dependency has a differing version of the dependency or has SNAPSHOT dependencies.

Statistics:
Number of modules: 11
Number of dependencies (NOD): 74
Number of unique artifacts (NOA): 77
Number of version-conflicting artifacts (NOC): 1
Number of SNAPSHOT artifacts (NOS): 0
Convergence (NOD/NOA): [Error] 96 %
Ready for release (100% convergence and no SNAPSHOTS): [Error] Error
You do not have 100% convergence.

Dependencies used in modules

com.google.guava:guava

[Error]
18.0
  1. ch.codeblock.qrinvoice.rest:qrinvoice-rest-standalone:jar:0.5
    +- io.springfox:springfox-swagger2:jar:2.7.0:compile
    |  +- io.springfox:springfox-spi:jar:2.7.0:compile
    |  |  \- io.springfox:springfox-core:jar:2.7.0:compile
    |  |     \- (com.google.guava:guava:jar:18.0:compile - omitted for duplicate)
    |  +- io.springfox:springfox-swagger-common:jar:2.7.0:compile
    |  |  \- (com.google.guava:guava:jar:18.0:compile - omitted for duplicate)
    |  +- io.springfox:springfox-spring-web:jar:2.7.0:compile
    |  |  \- (com.google.guava:guava:jar:18.0:compile - omitted for duplicate)
    |  \- com.google.guava:guava:jar:18.0:compile
    \- io.springfox:springfox-bean-validators:jar:2.7.0:compile
       \- (com.google.guava:guava:jar:18.0:compile - omitted for duplicate)

20.0
  1. ch.codeblock.qrinvoice.rest:qrinvoice-rest-standalone:jar:0.5
    \- io.springfox:springfox-swagger2:jar:2.7.0:compile
       \- io.springfox:springfox-spring-web:jar:2.7.0:compile
          \- org.reflections:reflections:jar:0.9.11:compile
             \- (com.google.guava:guava:jar:20.0:compile - omitted for conflict with 18.0)