After updating gitlab runner from 14.5.0 to 15.3.0 my pipelines stay used v14.5.0

After updating GitLab runner from 14.5.0 to 15.3.0 my pipelines stay used v14.5.0. but when I ran pipeline they still use runner v 14.5.0 which doesn’t exist.
#vm gitlab-runner
gitlab-runner --version
Version: 15.3.0
#pipelines
Running with gitlab-runner 14.5.0