diff --git a/concurrency/mastering_concurrency_in_go/ch1/ch1.go b/concurrency/concurrency_in_go/ch1/ch1.go
similarity index 100%
rename from concurrency/mastering_concurrency_in_go/ch1/ch1.go
rename to concurrency/concurrency_in_go/ch1/ch1.go
diff --git a/concurrency/mastering_concurrency_in_go/ch1/iorem_ipsum.go b/concurrency/concurrency_in_go/ch1/iorem_ipsum.go
similarity index 100%
rename from concurrency/mastering_concurrency_in_go/ch1/iorem_ipsum.go
rename to concurrency/concurrency_in_go/ch1/iorem_ipsum.go
diff --git a/concurrency/mastering_concurrency_in_go/ch1/letter_channel_example.go b/concurrency/concurrency_in_go/ch1/letter_channel_example.go
similarity index 100%
rename from concurrency/mastering_concurrency_in_go/ch1/letter_channel_example.go
rename to concurrency/concurrency_in_go/ch1/letter_channel_example.go
diff --git a/concurrency/mastering_concurrency_in_go/ch1/spider.go b/concurrency/concurrency_in_go/ch1/spider.go
similarity index 100%
rename from concurrency/mastering_concurrency_in_go/ch1/spider.go
rename to concurrency/concurrency_in_go/ch1/spider.go
diff --git a/concurrency/mastering_concurrency_in_go/ch3/main.go b/concurrency/concurrency_in_go/ch3/main.go
similarity index 100%
rename from concurrency/mastering_concurrency_in_go/ch3/main.go
rename to concurrency/concurrency_in_go/ch3/main.go