diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index f89698f2733b..85ab26a9bd7e 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -1037,8 +1037,8 @@ rec {
       "sha256-MZ3FLJdyo1RoUFj6baYu4dR9T8/0nCilk5RRZ+0wvQQ=";
 
   mypy-boto3-pinpoint-sms-voice =
-    buildMypyBoto3Package "pinpoint-sms-voice" "1.40.0"
-      "sha256-Io/83KkG+w+JahVEiFX9GmNyT/6H8qBisemmYpRh4fk=";
+    buildMypyBoto3Package "pinpoint-sms-voice" "1.40.20"
+      "sha256-Tf6s1MXG/2s5y1NdIOoPkB1sEPlIkjtxIOYL4Na8FZg=";
 
   mypy-boto3-pinpoint-sms-voice-v2 =
     buildMypyBoto3Package "pinpoint-sms-voice-v2" "1.40.14"