diff --git a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
index 39a7965a7ed4..276408753a73 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
+++ b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
@@ -309,6 +309,15 @@ Superuser created successfully.
           a full resync
         </para>
       </listitem>
+      <listitem>
+        <para>
+          The <literal>erigon</literal> ethereum node has moved it’s
+          database location in <literal>2021-08-03</literal>, users
+          upgrading must manually move their chaindata (see
+          <link xlink:href="https://github.com/ledgerwatch/erigon/releases/tag/v2021.08.03">release
+          notes</link>).
+        </para>
+      </listitem>
       <listitem>
         <para>
           <literal>services.geoip-updater</literal> was broken and has
diff --git a/nixos/doc/manual/release-notes/rl-2111.section.md b/nixos/doc/manual/release-notes/rl-2111.section.md
index 0203215f11e8..1dbb82527fb1 100644
--- a/nixos/doc/manual/release-notes/rl-2111.section.md
+++ b/nixos/doc/manual/release-notes/rl-2111.section.md
@@ -115,6 +115,8 @@ subsonic-compatible api. Available as [navidrome](#opt-services.navidrome.enable
 
 - The `erigon` ethereum node has moved to a new database format in `2021-05-04`, and requires a full resync
 
+- The `erigon` ethereum node has moved it's database location in `2021-08-03`, users upgrading must manually move their chaindata (see [release notes](https://github.com/ledgerwatch/erigon/releases/tag/v2021.08.03)).
+
 - `services.geoip-updater` was broken and has been replaced by [services.geoipupdate](options.html#opt-services.geoipupdate.enable).
 
 - PHP 7.3 is no longer supported due to upstream not supporting this version for the entire lifecycle of the 21.11 release.
diff --git a/pkgs/applications/blockchains/erigon.nix b/pkgs/applications/blockchains/erigon.nix
index 6cdad6bf5ff3..cfd3d5da9323 100644
--- a/pkgs/applications/blockchains/erigon.nix
+++ b/pkgs/applications/blockchains/erigon.nix
@@ -1,17 +1,17 @@
-{ stdenv, lib, buildGoModule, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub }:
 
 buildGoModule rec {
   pname = "erigon";
-  version = "2021.08.02";
+  version = "2021.08.05";
 
   src = fetchFromGitHub {
     owner = "ledgerwatch";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-pyqvzpsDk24UEtSx4qmDew9zRK45pD5i4Qv1uJ03tmk=";
+    sha256 = "sha256-bCREY3UbMgSTu1nVytrYFsGgdMEaMLy5ZGrLqDNu9YM=";
   };
 
-  vendorSha256 = "sha256-FwKlQH8vEtWNDql1pmHzKneIwmJ7cg5LYkETVswO6pc=";
+  vendorSha256 = "0a0d6n2c0anp36z7kvkadd6zvxzvsywfpk5qv6aq4ji4qd0hlq8q";
   runVend = true;
 
   # Build errors in mdbx when format hardening is enabled: