diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index c94e125e1a1c..efd9ef11fbdf 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -255,8 +255,8 @@ in
       "sha256-PVskBSuwqSfNybHDtLLfVpDG0dwR/Q1LhrHz1imsR8A=";
 
   mypy-boto3-cloudwatch =
-    buildMypyBoto3Package "cloudwatch" "1.43.37"
-      "sha256-OXmuNkF7rntBEHJWv4CLoCLBguB/RilcYdUJaPCQ1W0=";
+    buildMypyBoto3Package "cloudwatch" "1.43.38"
+      "sha256-3STwHJJpbVZa1ACznoyPLvYMpBGL7xxS1+5h0bx40+Y=";
 
   mypy-boto3-codeartifact =
     buildMypyBoto3Package "codeartifact" "1.43.0"