diff --git a/dot/core/interface.go b/dot/core/interfaces.go
similarity index 100%
rename from dot/core/interface.go
rename to dot/core/interfaces.go
diff --git a/dot/digest/interface.go b/dot/digest/interfaces.go
similarity index 100%
rename from dot/digest/interface.go
rename to dot/digest/interfaces.go
diff --git a/dot/sync/interface.go b/dot/sync/interfaces.go
similarity index 100%
rename from dot/sync/interface.go
rename to dot/sync/interfaces.go
diff --git a/lib/runtime/interface.go b/lib/runtime/interfaces.go
similarity index 100%
rename from lib/runtime/interface.go
rename to lib/runtime/interfaces.go