diff --git a/pkgs/development/tools/misc/ycmd/default.nix b/pkgs/development/tools/misc/ycmd/default.nix
index 2eb9b453661b1a..c0e12aa22c446e 100644
--- a/pkgs/development/tools/misc/ycmd/default.nix
+++ b/pkgs/development/tools/misc/ycmd/default.nix
@@ -7,12 +7,12 @@
 
 stdenv.mkDerivation rec {
   name = "ycmd-${version}";
-  version = "2018-06-14";
+  version = "2018-07-24";
 
   src = fetchgit {
     url = "https://github.com/Valloric/ycmd.git";
-    rev = "29e36f74f749d10b8d6ce285c1453fac26f15a41";
-    sha256 = "0s62nf18jmgjihyba7lk7si8xrxsg60whdr430nlb5gjikag8zr5";
+    rev = "f8a8b04892b925efeee24298a957cc6d6a69ad06";
+    sha256 = "1br2sh6bs0fg1axq2hq9f48fz8klkzydi1mf0j0jdsh3zjzkmxbn";
   };
 
   nativeBuildInputs = [ cmake ];
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
 
     mkdir -p $out/lib/ycmd/third_party/{gocode,godef,racerd/target/release}
 
-    for p in jedi waitress frozendict bottle python-future requests; do
+    for p in jedi waitress frozendict bottle parso python-future requests; do
       cp -r third_party/$p $out/lib/ycmd/third_party
     done
 
diff --git a/pkgs/misc/vim-plugins/default.nix b/pkgs/misc/vim-plugins/default.nix
index b52e6324199030..8a9580d99e179f 100644
--- a/pkgs/misc/vim-plugins/default.nix
+++ b/pkgs/misc/vim-plugins/default.nix
@@ -2848,11 +2848,11 @@ let
   };
 
   youcompleteme = buildVimPluginFrom2Nix { # created by nix#NixDerivation
-    name = "youcompleteme-2018-06-20";
+    name = "youcompleteme-2018-07-24";
     src = fetchgit {
       url = "https://github.com/valloric/youcompleteme";
-      rev = "e1ead995c13fe20989ee3d69fd76b20c5fff5d5b";
-      sha256 = "01my9m7a5m24zrh6i867fhqz42jxs0ai2pl4pra8wzvyk4ai1p5f";
+      rev = "459b3e620e45191b15c48c66b02ff89f1a0674db";
+      sha256 = "0s4sndx0mm13xcb559agfcqqdwhp2sr7kpp4ksc9gx41k7626rdr";
     };
     dependencies = [];
     buildPhase = ''
@@ -3259,7 +3259,7 @@ let
       sha256 = "0hj5bhfhd9am11ixaxad370p982bjig53mbm74fi6slhjpikdrdq";
     };
     dependencies = [];
-    buildInputs = [ python3 ]; 
+    buildInputs = [ python3 ];
     buildPhase = ''
       pushd ./rplugin/python3/deoplete/ujson
       python3 setup.py build --build-base=$PWD/build --build-lib=$PWD/build