diff --git a/pkgs/development/dotnet-modules/python-language-server/default.nix b/pkgs/development/dotnet-modules/python-language-server/default.nix
index 526e93f84c4..32fa73e90e8 100644
--- a/pkgs/development/dotnet-modules/python-language-server/default.nix
+++ b/pkgs/development/dotnet-modules/python-language-server/default.nix
@@ -11,7 +11,7 @@
 
 let deps = import ./deps.nix { inherit fetchurl; };
 
-    version = "2020-06-19";
+    version = "2020-10-08";
 
     # Build the nuget source needed for the later build all by itself
     # since it's a time-consuming step that only depends on ./deps.nix.
@@ -49,8 +49,8 @@ stdenv.mkDerivation {
   src = fetchFromGitHub {
     owner = "microsoft";
     repo = "python-language-server";
-    rev = "838ba78e00173d639bd90f54d8610ec16b4ba3a2";
-    sha256 = "0nj8l1apcb67gqwy5i49v0f01fs4lvdfmmp4w2hvrpss9if62c1m";
+    rev = "76a29da373a4bb1e81b052f25802f3ca872d0a67";
+    sha256 = "16jb90lacdrhi4dpp084bqzx351mv23f4mhl4lz5h6rkfzj5jxgg";
   };
 
   buildInputs = [dotnet-sdk_3 openssl icu];
diff --git a/pkgs/development/dotnet-modules/python-language-server/deps.nix b/pkgs/development/dotnet-modules/python-language-server/deps.nix
index 6a494e7e521..e191c67a4f1 100644
--- a/pkgs/development/dotnet-modules/python-language-server/deps.nix
+++ b/pkgs/development/dotnet-modules/python-language-server/deps.nix
@@ -52,12 +52,30 @@ in [
     sha256 = "0k2ry757qhm99xwm0wh4zalxn9nmxhfswd184z1fjr42szr511fb";
   })
 
+  (fetchNuGet {
+    name = "Microsoft.AspNetCore.App.Runtime.linux-x64";
+    version = "3.0.2";
+    sha256 = "0d4r744n3bk4v7ddfjpy5ils150h0693bil3c7v27n84037hqndj";
+  })
+
   (fetchNuGet {
     name = "Microsoft.AspNetCore.App.Runtime.linux-x64";
     version = "3.0.3";
     sha256 = "1jcqy8i9fzb1pmkazi80yqr09zi5nk30n57i46ggr5ky45jngfq9";
   })
 
+  (fetchNuGet {
+    name = "Microsoft.AspNetCore.App.Runtime.linux-x64";
+    version = "3.1.2";
+    sha256 = "19wfh9yg4n2khbl7pvf6ngx95m5p8lw4l9y935pv7nh4xgwk02p9";
+  })
+
+  (fetchNuGet {
+    name = "Microsoft.AspNetCore.App.Runtime.linux-x64";
+    version = "3.1.3";
+    sha256 = "0kvnzb9xjii48kg30ac63qdf0fn1y8j3nblbrfaqv2aiy6kp0iwn";
+  })
+
   (fetchNuGet {
     name = "Microsoft.AspNetCore.App.Runtime.linux-x64";
     version = "3.1.8";
@@ -72,8 +90,8 @@ in [
 
   (fetchNuGet {
     name = "Microsoft.CodeCoverage";
-    version = "16.5.0";
-    sha256 = "0610wzn4qyywf9lb4538vwqhprxc4g0g7gjbmnjzvx97jr5nd5mf";
+    version = "16.7.1";
+    sha256 = "1farw63445cdyciplfs6l9j1gayxw16rkzmrwsiswfyjhqz70xd4";
   })
 
   (fetchNuGet {
@@ -84,8 +102,14 @@ in [
 
   (fetchNuGet {
     name = "Microsoft.Extensions.FileSystemGlobbing";
-    version = "3.1.2";
-    sha256 = "1zwvzp0607irs7irfbq8vnclg5nj2jpyggw9agm4a32la5ngg27m";
+    version = "3.1.8";
+    sha256 = "1v2lr0vbssqayzgxvdwb54jmvz7mvlih4l9h7i71gm3c62nlbq8y";
+  })
+
+  (fetchNuGet {
+    name = "Microsoft.NetCore.App.Host.linux-x64";
+    version = "3.0.2";
+    sha256 = "0y14y2x3wbi44i23ndmf4323cii8wrqw9s289gcab3s393l71sf5";
   })
 
   (fetchNuGet {
@@ -96,8 +120,8 @@ in [
 
   (fetchNuGet {
     name = "Microsoft.NetCore.App.Host.linux-x64";
-    version = "3.1.8";
-    sha256 = "0iawz5mqaf1c4r5cf0ks4wqhgpbqi185l80q4909axh516xsjnvs";
+    version = "3.1.3";
+    sha256 = "013ibnhsimgqj5l2dqma035xvsvrb47bn65z6xbxgg88383hpgvw";
   })
 
   (fetchNuGet {
@@ -112,12 +136,30 @@ in [
     sha256 = "08svsiilx9spvjamcnjswv0dlpdrgryhr3asdz7cvnl914gjzq4y";
   })
 
+  (fetchNuGet {
+    name = "Microsoft.NetCore.App.Runtime.linux-x64";
+    version = "3.0.2";
+    sha256 = "1h6d0nl495k0bh4my43l578l7m8qwah7ll42aax7jrib2py354f1";
+  })
+
   (fetchNuGet {
     name = "Microsoft.NetCore.App.Runtime.linux-x64";
     version = "3.0.3";
     sha256 = "1ykgfnphbkyck0gqbbh5n96w59z2bq47g896ygal1j4nblj3s44v";
   })
 
+  (fetchNuGet {
+    name = "Microsoft.NetCore.App.Runtime.linux-x64";
+    version = "3.1.2";
+    sha256 = "0a332ia5pabnz7mdfc99a5hlc7drnwzlc7cj9b5c3an6dq636p66";
+  })
+
+  (fetchNuGet {
+    name = "Microsoft.NetCore.App.Runtime.linux-x64";
+    version = "3.1.3";
+    sha256 = "1ynhzsr8a0hfby2wjhzkdiimj18izgfzp7m2yp3pby2iwb4v3xy9";
+  })
+
   (fetchNuGet {
     name = "Microsoft.NetCore.App.Runtime.linux-x64";
     version = "3.1.8";
@@ -138,8 +180,8 @@ in [
 
   (fetchNuGet {
     name = "Microsoft.NETCore.Platforms";
-    version = "2.0.0";
-    sha256 = "1fk2fk2639i7nzy58m9dvpdnzql4vb8yl8vr19r2fp8lmj9w2jr0";
+    version = "3.0.0";
+    sha256 = "1bk8r4r3ihmi6322jmcag14jmw11mjqys202azqjzglcx59pxh51";
   })
 
   (fetchNuGet {
@@ -156,44 +198,38 @@ in [
 
   (fetchNuGet {
     name = "Microsoft.NET.Test.Sdk";
-    version = "16.5.0";
-    sha256 = "19f5bvzci5mmfz81jwc4dax4qdf7w4k67n263383mn8mawf22bfq";
+    version = "16.7.1";
+    sha256 = "0yqxipj74ax2n76w9ccydppx78ym8m5fda88qnvj4670qjvl0kf8";
   })
 
   (fetchNuGet {
     name = "Microsoft.TestPlatform.ObjectModel";
-    version = "16.5.0";
-    sha256 = "02h7j1fr0fwcggn0wgddh59k8b2wmly3snckwhswzqvks5rvfnnw";
+    version = "16.7.1";
+    sha256 = "0s9dyh99gzdpk1i5v468i2r9m6i3jrr41r394pwdwiajsz99kay0";
   })
 
   (fetchNuGet {
     name = "Microsoft.TestPlatform.TestHost";
-    version = "16.5.0";
-    sha256 = "08cvss66lqa92h55dxkbrzn796jckhlyj53zz22x3qyr6xi21v5v";
+    version = "16.7.1";
+    sha256 = "1xik06rxn9ps83in0zn9vcl2ibv3acmdqvrx07qq89lxj1sgqlhs";
   })
 
   (fetchNuGet {
     name = "Microsoft.VisualStudio.Threading";
-    version = "16.4.33";
-    sha256 = "09djx2xz22w48csd0bkpwi1rgpjpaj3mml16wfy8jlsnc66swmnh";
+    version = "16.5.132";
+    sha256 = "05lngndl6hg4v3vk9l1n1g2lbfjb7jnr5dnkjld9wx3vamdfcfxw";
   })
 
   (fetchNuGet {
     name = "Microsoft.VisualStudio.Threading";
-    version = "16.4.45";
-    sha256 = "16p61kxsnwanp3nac0gkarl7a94c02qyqjzdkijl5va9k3fa97m6";
+    version = "16.6.13";
+    sha256 = "0qbvcwy7njz5zpqgfqdf41gf9xqcz64z4rkfjf6bi4zynpkv6n1l";
   })
 
   (fetchNuGet {
     name = "Microsoft.VisualStudio.Threading.Analyzers";
-    version = "16.4.45";
-    sha256 = "12m0f037pz3ynm69810p4c96nrlnqihx6w4qyrs0kqsxiajf16jc";
-  })
-
-  (fetchNuGet {
-    name = "Microsoft.VisualStudio.Validation";
-    version = "15.3.15";
-    sha256 = "1v3r2rlichlvxjrmj1grii1blnl9lp9npg2p6q3q4j6lamskxa9r";
+    version = "16.6.13";
+    sha256 = "09nqkjnarwj0chb6xrzscq98mpgi86n2a3mfdd3y695kviq99s18";
   })
 
   (fetchNuGet {
@@ -210,8 +246,8 @@ in [
 
   (fetchNuGet {
     name = "Microsoft.Win32.Registry";
-    version = "4.5.0";
-    sha256 = "1zapbz161ji8h82xiajgriq6zgzmb1f3ar517p2h63plhsq5gh2q";
+    version = "4.6.0";
+    sha256 = "0i4y782yrqqyx85pg597m20gm0v126w0j9ddk5z7xb3crx4z9f2s";
   })
 
   (fetchNuGet {
@@ -222,20 +258,20 @@ in [
 
   (fetchNuGet {
     name = "MSTest.TestAdapter";
-    version = "2.1.0";
-    sha256 = "1g1v8yjnk4nr1c36k3cz116889bnpiw1i1jkmqnpb19wms7sq7cz";
+    version = "2.1.2";
+    sha256 = "1390nyc0sf5c4j75cq58bzqjcw77sp2lmpllmm5sp8ysi0fjyfs5";
   })
 
   (fetchNuGet {
     name = "MSTest.TestFramework";
-    version = "2.1.0";
-    sha256 = "0mac4h7ylw953chclhz0lrn19yks3bab9dn9x9fpjqi7309gid0p";
+    version = "2.1.2";
+    sha256 = "1617q2accpa8fwy9n1snmjxyx2fz3phks62mdi45cl65kdin0x4z";
   })
 
   (fetchNuGet {
     name = "Nerdbank.Streams";
-    version = "2.4.60";
-    sha256 = "01554nbs6dj4fjd59b95kaw84j27kfb5y5ixjbl23nh62kpgrd3r";
+    version = "2.5.76";
+    sha256 = "017h8m1zrm247alhlz4vqsz580b8b88s50cyxb939hmc2nn0qlfv";
   })
 
   (fetchNuGet {
@@ -276,8 +312,8 @@ in [
 
   (fetchNuGet {
     name = "NSubstitute";
-    version = "4.2.1";
-    sha256 = "0wgfjh032qds994fmgxvsg88nhgjrx7p9rnv6z678jm62qi14asy";
+    version = "4.2.2";
+    sha256 = "1zi1z5i61c2nq8p3jwbkca28yaannrvv6g6q5mmz1775apmfyh79";
   })
 
   (fetchNuGet {
@@ -600,8 +636,8 @@ in [
 
   (fetchNuGet {
     name = "StreamJsonRpc";
-    version = "2.3.103";
-    sha256 = "0z8ahxkbbrzsn56ylzlciriiid4bslf6y1rk49wzahwpvzlik1iw";
+    version = "2.5.46";
+    sha256 = "0rsgxfxcfgbx1w2jhllx1cwnbj9vra6034gv4kgzahh0v5vn8shf";
   })
 
   (fetchNuGet {
@@ -804,14 +840,8 @@ in [
 
   (fetchNuGet {
     name = "System.IO.Pipelines";
-    version = "4.5.3";
-    sha256 = "1z44vn1qp866lkx78cfqdd4vs7xn1hcfn7in6239sq2kgf5qiafb";
-  })
-
-  (fetchNuGet {
-    name = "System.IO.Pipelines";
-    version = "4.6.0";
-    sha256 = "0r9ygjbxpyi6jgb67qnpbp42b7yvvhgmcjxnb50k3lb416claavh";
+    version = "4.7.0";
+    sha256 = "1cx6bl2bhzp30ahy2csnwbphmlwwp840j56wgab105xc32la0mg4";
   })
 
   (fetchNuGet {
@@ -1080,8 +1110,8 @@ in [
 
   (fetchNuGet {
     name = "System.Security.AccessControl";
-    version = "4.5.0";
-    sha256 = "1wvwanz33fzzbnd2jalar0p0z3x0ba53vzx1kazlskp7pwyhlnq0";
+    version = "4.6.0";
+    sha256 = "1wl1dyghi0qhpap1vgfhg2ybdyyhy9vc2a7dpm1xb30vfgmlkjmf";
   })
 
   (fetchNuGet {
@@ -1146,8 +1176,8 @@ in [
 
   (fetchNuGet {
     name = "System.Security.Principal.Windows";
-    version = "4.5.0";
-    sha256 = "0rmj89wsl5yzwh0kqjgx45vzf694v9p92r4x4q6yxldk1cv1hi86";
+    version = "4.6.0";
+    sha256 = "1jmfzfz1n8hp63s5lja5xxpzkinbp6g59l3km9h8avjiisdrg5wm";
   })
 
   (fetchNuGet {
diff --git a/pkgs/development/dotnet-modules/python-language-server/manual_deps.txt b/pkgs/development/dotnet-modules/python-language-server/manual_deps.txt
index 169ddfbb7b5..c0f1fd503d9 100644
--- a/pkgs/development/dotnet-modules/python-language-server/manual_deps.txt
+++ b/pkgs/development/dotnet-modules/python-language-server/manual_deps.txt
@@ -1,3 +1,4 @@
+Microsoft.AspNetCore.App.Runtime.linux-x64 3.1.8
 Microsoft.AspNetCore.App.Runtime.linux-x64 3.1.3
 Microsoft.AspNetCore.App.Ref 3.0.1
 Microsoft.AspNetCore.App.Runtime.linux-x64 3.1.2
@@ -5,6 +6,7 @@ Microsoft.AspNetCore.App.Runtime.linux-x64 3.0.3
 Microsoft.AspNetCore.App.Runtime.linux-x64 3.0.2
 Microsoft.NetCore.App.Ref 3.1.0
 Microsoft.NetCore.App.Ref 3.0.0
+Microsoft.NetCore.App.Runtime.linux-x64 3.1.8
 Microsoft.NetCore.App.Runtime.linux-x64 3.1.3
 Microsoft.NetCore.App.Runtime.linux-x64 3.1.2
 Microsoft.NetCore.App.Runtime.linux-x64 3.0.2