diff --git a/requirements/extra-pdf-image.in b/requirements/extra-pdf-image.in
index 04d3ffd1b6..fdc4ca3276 100644
--- a/requirements/extra-pdf-image.in
+++ b/requirements/extra-pdf-image.in
@@ -4,6 +4,7 @@
 onnx
 pdf2image
 pdfminer.six==20240706
+pycryptodome
 pikepdf
 pi_heif
 pypdf
diff --git a/requirements/extra-pdf-image.txt b/requirements/extra-pdf-image.txt
index e77a79b01c..a87266ada3 100644
--- a/requirements/extra-pdf-image.txt
+++ b/requirements/extra-pdf-image.txt
@@ -185,8 +185,10 @@ pycparser==2.22
     # via
     #   -c ./base.txt
     #   cffi
-# pycrypto==2.6.1
-#     # via pdfplumber
+pycrypto==2.6.1
+    # via pdfplumber
+pycryptodome==3.21.0
+    # via -r ./extra-pdf-image.in
 pyparsing==3.2.1
     # via matplotlib
 pypdf==5.1.0