diff --git a/pkgs/tools/misc/esptool/default.nix b/pkgs/tools/misc/esptool/default.nix
index fe574b4f8d4..50ee066d96a 100644
--- a/pkgs/tools/misc/esptool/default.nix
+++ b/pkgs/tools/misc/esptool/default.nix
@@ -2,17 +2,17 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "esptool";
-  version = "2.5.1";
+  version = "2.6";
 
   src = fetchFromGitHub {
     owner = "espressif";
     repo = "esptool";
     rev = "v${version}";
-    sha256 = "19l3b1fqg1n3ch484dcibbi5a3nbmjq086has5pwqn348h4k57mh";
+    sha256 = "1hxgzqh5z81dq1k2xd6329h8idk9y8q29izrwm1vhn0m9v1pxa22";
   };
 
-  checkInputs = with python3.pkgs; [ flake8 flake8-future-import flake8-import-order ];
-  propagatedBuildInputs = with python3.pkgs; [ pyserial pyaes ecdsa openssl ];
+  checkInputs = with python3.pkgs; [ flake8 flake8-future-import flake8-import-order openssl ];
+  propagatedBuildInputs = with python3.pkgs; [ pyserial pyaes ecdsa ];
 
   meta = with stdenv.lib; {
     description = "ESP8266 and ESP32 serial bootloader utility";