diff --git a/src/requirements.txt b/src/requirements.txt
index c888ec4..21a5223 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -1,7 +1,7 @@
 # CDR Lambda dependencies
 # Pin versions for reproducible Lambda layer builds.
 
-pikepdf==10.11.0          # PDF manipulation — strips JS, actions, embedded files
+pikepdf==10.12.0          # PDF manipulation — strips JS, actions, embedded files
 Pillow==12.3.0           # Image re-encoding — purges EXIF, ICC, XMP
 boto3==1.43.69           # AWS SDK (pre-installed in Lambda runtime, pin for local dev)
 pyxlsb==1.0.10           # xlsb reader — extracts cell values from BIFF12 binary sheets