diff --git a/pkgs/development/python-modules/boto3/default.nix b/pkgs/development/python-modules/boto3/default.nix
index d79fc6ec09d..a04f5d04294 100644
--- a/pkgs/development/python-modules/boto3/default.nix
+++ b/pkgs/development/python-modules/boto3/default.nix
@@ -13,11 +13,11 @@
 
 buildPythonPackage rec {
   pname =  "boto3";
-  version = "1.16.41"; # N.B: if you change this, change botocore too
+  version = "1.16.42"; # N.B: if you change this, change botocore too
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-DYTobuAuMshtMONd6WgDA6SAhz3S6Z3NyDSGuS3/sDw=";
+    sha256 = "sha256-ko5z9R9xRpobDOrR+7N/MERX7FRACDPALAwyjmRYH+o=";
   };
 
   propagatedBuildInputs = [ botocore jmespath s3transfer ] ++ lib.optionals (!isPy3k) [ futures ];