diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index ad8a68e49f7b..9c9fcda393c0 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -1150,8 +1150,8 @@ in
       "sha256-F1xhitFa4Eac9VlCpfqjCObUH+YvLz7TYDYfI/bPYbc=";
 
   mypy-boto3-route53resolver =
-    buildMypyBoto3Package "route53resolver" "1.43.0"
-      "sha256-z7x9WVUzjzg5bSL7cizhgvMgnmQJ68Fhu+d46XIOpDI=";
+    buildMypyBoto3Package "route53resolver" "1.43.6"
+      "sha256-/KAlBKNGLO+PLapddz4kSW3ymsGc7Bf/tlhiIV/K9Bs=";
 
   mypy-boto3-rum =
     buildMypyBoto3Package "rum" "1.43.0"