diff --git a/internal/sfa/activities/CheckAllowedFileFormats.go b/internal/sfa/activities/check_allowed_file_formats.go
similarity index 100%
rename from internal/sfa/activities/CheckAllowedFileFormats.go
rename to internal/sfa/activities/check_allowed_file_formats.go
diff --git a/internal/sfa/activities/CheckStructure.go b/internal/sfa/activities/check_structure.go
similarity index 100%
rename from internal/sfa/activities/CheckStructure.go
rename to internal/sfa/activities/check_structure.go
diff --git a/internal/sfa/activities/CreateSip.go b/internal/sfa/activities/create_sip.go
similarity index 100%
rename from internal/sfa/activities/CreateSip.go
rename to internal/sfa/activities/create_sip.go
diff --git a/internal/sfa/activities/MetadataValidation.go b/internal/sfa/activities/metadata_validation.go
similarity index 100%
rename from internal/sfa/activities/MetadataValidation.go
rename to internal/sfa/activities/metadata_validation.go
diff --git a/internal/sfa/activities/SendToFailedBucket.go b/internal/sfa/activities/send_to_failed_bucket.go
similarity index 100%
rename from internal/sfa/activities/SendToFailedBucket.go
rename to internal/sfa/activities/send_to_failed_bucket.go