diff --git a/pkgs/development/tools/packer/default.nix b/pkgs/development/tools/packer/default.nix
index 5e54a8b3705856..162ac045a9de80 100644
--- a/pkgs/development/tools/packer/default.nix
+++ b/pkgs/development/tools/packer/default.nix
@@ -1,7 +1,7 @@
 { stdenv, buildGoPackage, fetchFromGitHub }:
 buildGoPackage rec {
   name = "packer-${version}";
-  version = "1.3.3";
+  version = "1.4.0";
 
   goPackagePath = "github.com/hashicorp/packer";
 
@@ -11,7 +11,7 @@ buildGoPackage rec {
     owner = "hashicorp";
     repo = "packer";
     rev = "v${version}";
-    sha256 = "1b1yp5k2apccyqw9zb2xclnm16gfnnkaiwh2s0p79prsy6gjkp7y";
+    sha256 = "0fpzmwh7vq8vc7gvlnpx4ji4yaxwi2h2ksz0z4782469pkcnbg56";
   };
 
   meta = with stdenv.lib; {