diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 612dfa7030ce..9df1c73a3498 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -1086,8 +1086,8 @@ in
       "sha256-ZKRhSBcrpdi3T2Qdw5v8WFg7dDbGCUlZBgIrmgHSUFs=";
 
   mypy-boto3-rds-data =
-    buildMypyBoto3Package "rds-data" "1.43.0"
-      "sha256-sgjEU7RqruiFWqUxxiDt/mx0uTJFhJQxkJsXvo5lYbk=";
+    buildMypyBoto3Package "rds-data" "1.43.18"
+      "sha256-dpTlWnEq5++iAsccn0Jj4C2yyvs8Cs5tMph5yzpbjcc=";
 
   mypy-boto3-redshift =
     buildMypyBoto3Package "redshift" "1.43.7"