diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index aff9746b4774..ce5afef6748b 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -1126,8 +1126,8 @@ in
       "sha256-jYAsZ1lMU9cl4rIvRO1UZLn4nIsuauWrNRwyB0j4HK0=";
 
   mypy-boto3-rolesanywhere =
-    buildMypyBoto3Package "rolesanywhere" "1.42.5"
-      "sha256-KsxXc2bn5flyurs3oC3PR3LgaiC6UpBy5+2JKFhnSPc=";
+    buildMypyBoto3Package "rolesanywhere" "1.43.0"
+      "sha256-bB+jfYzbQCjbWLJvGze7kK9U1+7kqHINhNiIumiBaPY=";
 
   mypy-boto3-route53 =
     buildMypyBoto3Package "route53" "1.42.6"