diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 83e5a960b354..86f7ed861edc 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -446,8 +446,8 @@ rec {
       "sha256-uYeekAsfyETYQYWR3L8S+uzlp6EQpvYEWsqiX+60b/Y=";
 
   mypy-boto3-ec2 =
-    buildMypyBoto3Package "ec2" "1.39.3"
-      "sha256-6qP6021SWUQIswXTFaKE/HUHyFAlBXZO+OukAF3GM5A=";
+    buildMypyBoto3Package "ec2" "1.39.4"
+      "sha256-1pZtasWQFl6Z2OWohEmUrwihIVfGIVl0qvihh+n0C0c=";
 
   mypy-boto3-ec2-instance-connect =
     buildMypyBoto3Package "ec2-instance-connect" "1.39.0"