diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 511222db5430..1d0ff00112ab 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -251,7 +251,7 @@ rec {
 
   mypy-boto3-ebs = buildMypyBoto3Package "ebs" "1.34.0" "sha256-xIrrXOayZed+Jcn4CFXXNgKz/G+RdiuwA04wq+Ry/fs=";
 
-  mypy-boto3-ec2 = buildMypyBoto3Package "ec2" "1.34.64" "sha256-fDsnEbTo5UAgPGCoUqGbvk68+9RNN8qZpScW7t/Bq+Q=";
+  mypy-boto3-ec2 = buildMypyBoto3Package "ec2" "1.34.66" "sha256-Io0ExXqdar+5A4H66ryaApWIQnEcspQysfBsOit4WyY=";
 
   mypy-boto3-ec2-instance-connect = buildMypyBoto3Package "ec2-instance-connect" "1.34.63" "sha256-kExmGXEJ5jrvOewmWx7AjVb3boD5GU0cEUp/2PQhzlw=";