diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index aef5fe5abba5..bda81b224c87 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" "1.43.2"
-      "sha256-oI+4JjIbiNqAQ6QXXX3OeigRmsIqym4S2TiwrjMijQU=";
+    buildMypyBoto3Package "cloudwatch" "1.43.26"
+      "sha256-O14h+8ujsxe+RSA5NxmZyfRHMdQDr9g3Yre15qjV7Oc=";
 
   mypy-boto3-codeartifact =
     buildMypyBoto3Package "codeartifact" "1.43.0"