diff --git a/pkgs/by-name/ti/tidb/package.nix b/pkgs/by-name/ti/tidb/package.nix
index 04e4d1756a2f..db4bd01300e2 100644
--- a/pkgs/by-name/ti/tidb/package.nix
+++ b/pkgs/by-name/ti/tidb/package.nix
@@ -6,16 +6,16 @@
 
 buildGo125Module (finalAttrs: {
   pname = "tidb";
-  version = "8.5.5";
+  version = "8.5.6";
 
   src = fetchFromGitHub {
     owner = "pingcap";
     repo = "tidb";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-wrCdclS9qpc0mq5QZ6u5/APZyOTWvCJNCPCzM385MBM=";
+    hash = "sha256-sQ5hialileLC/ZpXoy5zfSnLZAL1I4aiiQf+y5LPIK8=";
   };
 
-  vendorHash = "sha256-7g8U0gbG46AC4h1SyOTKKuNc5eVRqJsimzshj4O5FYw=";
+  vendorHash = "sha256-YJ47tC1pp+hDMIiKyzROypk+zX76r+c5O9qD2OkVmgw=";
 
   ldflags = [
     "-X github.com/pingcap/tidb/pkg/parser/mysql.TiDBReleaseVersion=${finalAttrs.version}"