diff --git a/acextract/CoreUI.h b/acextract/CoreUI.h
index 3f867f6..7fb7fa8 100644
--- a/acextract/CoreUI.h
+++ b/acextract/CoreUI.h
@@ -23,6 +23,7 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 //  SOFTWARE.
 
+@import CoreGraphics;
 @import Foundation;
 
 // Hierarchy:
diff --git a/acextract/Operation.swift b/acextract/Operation.swift
index 8614957..613bffb 100644
--- a/acextract/Operation.swift
+++ b/acextract/Operation.swift
@@ -23,6 +23,7 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 //  SOFTWARE.
 
+import CoreImage
 import Foundation
 
 // MARK: - Protocols