diff --git a/pkgs/development/python-modules/boto3/default.nix b/pkgs/development/python-modules/boto3/default.nix
index e1733116dda..c287295b61d 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 = "1.17.39"; # N.B: if you change this, change botocore and awscli to a matching version
+  version = "1.17.40"; # N.B: if you change this, change botocore and awscli to a matching version
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-tYFP9ztbj8hgHBtztwZ1gH+c5kcTVi4YOghBWiUW7tQ=";
+    sha256 = "sha256-7pmbRrLGMOUOewUtbf4iQgOjSNg7AOFoylAAmvDydsE=";
   };
 
   propagatedBuildInputs = [ botocore jmespath s3transfer ] ++ lib.optionals (!isPy3k) [ futures ];
@@ -35,6 +35,8 @@ buildPythonPackage rec {
   # Network access
   doCheck = false;
 
+  pythonImportsCheck = [ "boto3" ];
+
   meta = {
     homepage = "https://github.com/boto/boto3";
     license = lib.licenses.asl20;