diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 3206647a40bf..fac8e54db80f 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -58,8 +58,8 @@ rec {
       "sha256-E2wUtUSMX4Lyj+HioQD6km3sGGETjgzujJbEewOHc5M=";
 
   mypy-boto3-acm-pca =
-    buildMypyBoto3Package "acm-pca" "1.40.0"
-      "sha256-QuPE++0Y/KxuL8yNLyUGXWExZ4UqTnXhoi/RGavS4AE=";
+    buildMypyBoto3Package "acm-pca" "1.40.1"
+      "sha256-GZMeU5qLmE7eM6zSuS3e63ytY8C1jlnjUVkJmAiAoCo=";
 
   mypy-boto3-amp =
     buildMypyBoto3Package "amp" "1.40.0"