Version solving failed with json_serializable ^4.1.0

[yokasre]

I'm getting this error while migrating to null safety:

Because dio_http_cache 0.2.11 depends on json_serializable ^3.0.0 and no versions of dio_http_cache match >0.2.11 <0.3.0, dio_http_cache ^0.2.11 requires json_serializable ^3.0.0. So, because <my_project_name> depends on both json_serializable ^4.1.0 and dio_http_cache ^0.2.11, version solving failed.

What's the update on migration?

[biswa1751]

This solves the error
dio_http_cache:
git:
url: https://github.com/hurshi/dio-http-cache.git
ref: 9aa5cf7

[yokasre]

Thanks, @biswa1751. Let me check it out.

[zystudios]

Because app depends on dio_http_cache ^0.3.0 which depends on json_serializable ^4.1.4, json_serializable ^4.1.4 is required.
So, because app depends on json_serializable ^6.1.4, version solving failed.
pub get failed (1; So, because app depends on json_serializable ^6.1.4, version solving failed.)
@biswa1751