diff --git a/nixos/doc/manual/release-notes/rl-2305.section.md b/nixos/doc/manual/release-notes/rl-2305.section.md
index 97a29a388575..cbc58c6bdc5f 100644
--- a/nixos/doc/manual/release-notes/rl-2305.section.md
+++ b/nixos/doc/manual/release-notes/rl-2305.section.md
@@ -205,6 +205,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - The `baget` package and module was removed due to being unmaintained.
 
+- `go-ethereum` package has been updated to v1.11.5 and the `puppeth` command is no longer available as of v1.11.0.
+
 ## Other Notable Changes {#sec-release-23.05-notable-changes}
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
diff --git a/pkgs/applications/blockchains/go-ethereum/default.nix b/pkgs/applications/blockchains/go-ethereum/default.nix
index 915cb938423d..93de297dab53 100644
--- a/pkgs/applications/blockchains/go-ethereum/default.nix
+++ b/pkgs/applications/blockchains/go-ethereum/default.nix
@@ -9,16 +9,16 @@ let
 
 in buildGoModule rec {
   pname = "go-ethereum";
-  version = "1.10.26";
+  version = "1.11.5";
 
   src = fetchFromGitHub {
     owner = "ethereum";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-eefQEOeKb6gZIJdK9cq20WnhwZE1qbyd8Cl0Hqh2+u8=";
+    sha256 = "sha256-QFqPAWW0L9cSBvnDwJKtwWT2jZFyr+zhYaS+GF/nQ9g=";
   };
 
-  vendorSha256 = "sha256-Dj+xN8lr98LJyYr2FwJ7yUIJkUeUrr1fkcbj4hShJI0=";
+  vendorSha256 = "sha256-Y1srOcXZ4rQ0QIQx4LdYzYG6goGk6oO30C+OW+s81z4=";
 
   doCheck = false;
 
@@ -41,12 +41,11 @@ in buildGoModule rec {
     "cmd/faucet"
     "cmd/geth"
     "cmd/p2psim"
-    "cmd/puppeth"
     "cmd/rlpdump"
     "cmd/utils"
   ];
 
-  # Following upstream: https://github.com/ethereum/go-ethereum/blob/v1.10.26/build/ci.go#L218
+  # Following upstream: https://github.com/ethereum/go-ethereum/blob/v1.11.5/build/ci.go#L218
   tags = [ "urfave_cli_no_docs" ];
 
   # Fix for usb-related segmentation faults on darwin