diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 8262aeeb3508..a5e0136f27ea 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -283,8 +283,8 @@ in
       "sha256-XVttoZ5ZrLYKhKipByY5DS6QkCn8hVkvOpv7LDfWrA0=";
 
   mypy-boto3-codeguru-security =
-    buildMypyBoto3Package "codeguru-security" "1.42.3"
-      "sha256-nvbGqJPJ67ipJSPtVWF10vbZSx5PtXE5HTKPH8runvc=";
+    buildMypyBoto3Package "codeguru-security" "1.43.0"
+      "sha256-3AUfJHKef3RMi2bNCGhbuLXz2pLnRBkwxaWgTipPW2c=";
 
   mypy-boto3-codeguruprofiler =
     buildMypyBoto3Package "codeguruprofiler" "1.42.3"