diff --git a/pkgs/development/python-modules/a2a-sdk/default.nix b/pkgs/development/python-modules/a2a-sdk/default.nix
index f7bee7783c10..347dbb2c2317 100644
--- a/pkgs/development/python-modules/a2a-sdk/default.nix
+++ b/pkgs/development/python-modules/a2a-sdk/default.nix
@@ -33,14 +33,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "a2a-sdk";
-  version = "0.3.25";
+  version = "0.3.26";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "a2aproject";
     repo = "a2a-python";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-pGsxrNRqIFXEOxstvTFC4sXjZvphMHfPYzk4xhjaA6s=";
+    hash = "sha256-OQVNoKCx/7t3LeLgcVCVJUDnrWnugbM6EReE0713CM4=";
   };
 
   build-system = [