diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index d172b2bab521..59bccb7fb2d2 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -167,8 +167,8 @@ in
       "sha256-qkYs/jiXHYUjQMXSYx8XepvxFcrwRXYp2OUJNual8Jw=";
 
   mypy-boto3-billingconductor =
-    buildMypyBoto3Package "billingconductor" "1.42.97"
-      "sha256-CsBeZk3+PmOx8ZLXVZQM/wR9PXsKJ4YD8PqfUjV/2ho=";
+    buildMypyBoto3Package "billingconductor" "1.43.0"
+      "sha256-M1CIE4fho0uGdF6/h87BCiz7Y9q2P2nAHC2NS/d9JOA=";
 
   mypy-boto3-braket =
     buildMypyBoto3Package "braket" "1.42.85"