diff --git a/modules/environment/login/default.nix b/modules/environment/login/default.nix
index 0fb1501..2f91660 100644
--- a/modules/environment/login/default.nix
+++ b/modules/environment/login/default.nix
@@ -85,8 +85,8 @@ in
       prootStatic =
         let
           crossCompiledPaths = {
-           aarch64 = "/nix/store/aamylv572p3v56bi3wj2kfv4vvxfzizp-proot-termux-unstable-2020-04-25-aarch64-unknown-linux-android";
-           i686 = "/nix/store/yjg49wzr7niyd2qwlk6lqnfg0wykkpyk-proot-termux-unstable-2020-04-25-i686-unknown-linux-android";
+           aarch64 = "/nix/store/r9mavszgwsd2260a252i696fr7j69a3a-proot-termux-unstable-2020-04-25-aarch64-unknown-linux-android";
+           i686 = "/nix/store/wkzmc8ly7qgyrfi61pqsz31hxin9wmyz-proot-termux-unstable-2020-04-25-i686-unknown-linux-android";
           };
         in
           "${crossCompiledPaths.${config.build.arch}}";
diff --git a/overlays/lib/nixpkgs.nix b/overlays/lib/nixpkgs.nix
index bc81741..bc5dbfb 100644
--- a/overlays/lib/nixpkgs.nix
+++ b/overlays/lib/nixpkgs.nix
@@ -3,12 +3,12 @@
 { super }:
 
 let
-  # head of nixos-20.03 as of 2020-06-11
+  # head of nixos-20.09 as of 2020-11-07
   pinnedPkgsSrc = super.fetchFromGitHub {
     owner = "NixOS";
     repo = "nixpkgs";
-    rev = "8b071be7512bd2cd0ff5c3bdf60f01ab4eb94abd";
-    sha256 = "079rzd17y2pk48kh70pbp4a7mh56vi2b49lzd365ckh38gdv702z";
+    rev = "d105075a1fd870b1d1617a6008cb38b443e65433";
+    sha256 = "1jcs44wn0s6mlf2jps25bvcai1rij9b2dil6zcj8zqwf2i8xmqjh";
   };
 in
 
diff --git a/pkgs/lib/load-nixpkgs.nix b/pkgs/lib/load-nixpkgs.nix
index 5eb36ef..a9d7521 100644
--- a/pkgs/lib/load-nixpkgs.nix
+++ b/pkgs/lib/load-nixpkgs.nix
@@ -19,11 +19,11 @@ let
     ];
   };
 
-  # head of nixos-20.03 as of 2020-06-11
+  # head of nixos-20.09 as of 2020-11-07
   # note: when updating nixpkgs, update store paths of proot-termux in modules/environment/login/default.nix
   pinnedPkgsSrc = builtins.fetchTarball {
-    url = "https://github.com/NixOS/nixpkgs/archive/8b071be7512bd2cd0ff5c3bdf60f01ab4eb94abd.tar.gz";
-    sha256 = "079rzd17y2pk48kh70pbp4a7mh56vi2b49lzd365ckh38gdv702z";
+    url = "https://github.com/NixOS/nixpkgs/archive/d105075a1fd870b1d1617a6008cb38b443e65433.tar.gz";
+    sha256 = "1jcs44wn0s6mlf2jps25bvcai1rij9b2dil6zcj8zqwf2i8xmqjh";
   };
 in