diff --git a/constraints.txt b/constraints.txt
index cc13b2b..3cdcbbb 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -16,10 +16,14 @@ certifi==2023.5.7
     # via
     #   requests
     #   selenium
+cffi==1.15.1
+    # via cryptography
 charset-normalizer==3.1.0
     # via requests
 confusable-homoglyphs==3.2.0
     # via django-registration
+cryptography==41.0.1
+    # via django-anymail
 django==4.2.2
     # via
     #   -r requirements.in
@@ -61,6 +65,8 @@ outcome==1.2.0
     # via trio
 pillow==9.5.0
     # via -r requirements.in
+pycparser==2.21
+    # via cffi
 pysocks==1.7.1
     # via urllib3
 requests==2.31.0
diff --git a/requirements.txt b/requirements.txt
index d5267b4..c2407d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,10 +16,14 @@ certifi==2023.5.7
     # via
     #   requests
     #   selenium
+cffi==1.15.1
+    # via cryptography
 charset-normalizer==3.1.0
     # via requests
 confusable-homoglyphs==3.2.0
     # via django-registration
+cryptography==41.0.1
+    # via django-anymail
 django==4.2.2
     # via
     #   -r requirements.in
@@ -61,6 +65,8 @@ outcome==1.2.0
     # via trio
 pillow==9.5.0
     # via -r requirements.in
+pycparser==2.21
+    # via cffi
 pysocks==1.7.1
     # via urllib3
 requests==2.31.0