diff --git a/requirements.txt b/requirements.txt
index 49f0cf4..12fc7b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Pillow>=12.2.0
 PyMuPDF>=1.27.2.3
 
 # HEIC/HEIF support (iPhone photos)
-pillow-heif>=1.3.0
+pillow-heif>=1.4.0
 
 # Testing (development only)
 pytest>=9.0.3