diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index c99f9d161e95..19b4fc41b5a5 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -1126,8 +1126,8 @@ rec {
       "sha256-3DVLn61w42L8qwyQB1WbOPjOZXqXalLZ9rITcmcDkQI=";
 
   mypy-boto3-robomaker =
-    buildMypyBoto3Package "robomaker" "1.35.0"
-      "sha256-Yl7v7zQHeixpG244Qld1vceR8ZazGjcUc26LUuane3I=";
+    buildMypyBoto3Package "robomaker" "1.35.39"
+      "sha256-kh/KojcYdBfGA7BRorshz34R/Lx8e/WTa0kWpW78PcY=";
 
   mypy-boto3-rolesanywhere =
     buildMypyBoto3Package "rolesanywhere" "1.35.0"