diff --git a/pkgs/applications/editors/emacs-modes/elpa-generated.nix b/pkgs/applications/editors/emacs-modes/elpa-generated.nix
index e2ae9e1df0dd..9aa66d12fdcd 100644
--- a/pkgs/applications/editors/emacs-modes/elpa-generated.nix
+++ b/pkgs/applications/editors/emacs-modes/elpa-generated.nix
@@ -306,6 +306,19 @@
           license = lib.licenses.free;
         };
       }) {};
+    cobol-mode = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
+        pname = "cobol-mode";
+        version = "1.0.0";
+        src = fetchurl {
+          url = "https://elpa.gnu.org/packages/cobol-mode-1.0.0.el";
+          sha256 = "1zmcfpl7v787yacc7gxm8mkp53fmrznp5mnad628phf3vj4kwnxi";
+        };
+        packageRequires = [];
+        meta = {
+          homepage = "https://elpa.gnu.org/packages/cobol-mode.html";
+          license = lib.licenses.free;
+        };
+      }) {};
     coffee-mode = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
         pname = "coffee-mode";
         version = "0.4.1.1";
@@ -809,10 +822,10 @@
     gnugo = callPackage ({ ascii-art-to-unicode, cl-lib ? null, elpaBuild, fetchurl, lib, xpm }:
     elpaBuild {
         pname = "gnugo";
-        version = "3.0.0";
+        version = "3.0.1";
         src = fetchurl {
-          url = "https://elpa.gnu.org/packages/gnugo-3.0.0.tar";
-          sha256 = "0b94kbqxir023wkmqn9kpjjj2v0gcz856mqipz30gxjbjj42w27x";
+          url = "https://elpa.gnu.org/packages/gnugo-3.0.1.tar";
+          sha256 = "08z2hg9mvsxdznq027cmwhkb5i7n7s9r2kvd4jha9xskrcnzj3pp";
         };
         packageRequires = [ ascii-art-to-unicode cl-lib xpm ];
         meta = {
@@ -956,10 +969,10 @@
     js2-mode = callPackage ({ cl-lib ? null, elpaBuild, emacs, fetchurl, lib }:
     elpaBuild {
         pname = "js2-mode";
-        version = "20160623";
+        version = "20170116";
         src = fetchurl {
-          url = "https://elpa.gnu.org/packages/js2-mode-20160623.tar";
-          sha256 = "057djy6amda8kyprkb3v733d21nlmq5fgfazi65fywlfwyq1adxs";
+          url = "https://elpa.gnu.org/packages/js2-mode-20170116.tar";
+          sha256 = "1z4k7710yz1fbm2w8m17q81yyp8sxllld0zmgfnc336iqrc07hmk";
         };
         packageRequires = [ cl-lib emacs ];
         meta = {