diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index b08cb40cd4d4..ac3c516e01ce 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -744,6 +744,8 @@ rec {
 
   mypy-boto3-workmail = buildMypyBoto3Package "workmail" "1.28.50" "sha256-OfRyehgMROua9Ydcc8HBvBp4eddo0re1w0fciBVUuS4=";
 
+  mypy-boto3-workmailmessageflow = buildMypyBoto3Package "workmailmessageflow" "1.28.36" "sha256-hfRjdhr/xJJNWYy4XDg8LT00sx/JGAEa4D+5GyR+FCo=";
+
   mypy-boto3-xray = buildMypyBoto3Package "xray" "1.28.47" "sha256-1OiTpbaBm2aAls4A7ZaZBNAM8DTRuQcwNKJDq3lOKMY=";
 
 }
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f6458cf0fcfa..68579e0aace0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7783,6 +7783,8 @@ self: super: with self; {
 
     mypy-boto3-workmail
 
+    mypy-boto3-workmailmessageflow
+
     mypy-boto3-xray
 
   ;