diff --git a/pkgs/servers/clickhouse/default.nix b/pkgs/servers/clickhouse/default.nix
index dc9ec63ce908..be067e477a83 100644
--- a/pkgs/servers/clickhouse/default.nix
+++ b/pkgs/servers/clickhouse/default.nix
@@ -8,7 +8,7 @@
 
 stdenv.mkDerivation rec {
   pname = "clickhouse";
-  version = "21.8.8.29";
+  version = "21.8.12.29";
 
   broken = stdenv.buildPlatform.is32bit; # not supposed to work on 32-bit https://github.com/ClickHouse/ClickHouse/pull/23959#issuecomment-835343685
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     repo   = "ClickHouse";
     rev    = "v${version}-lts";
     fetchSubmodules = true;
-    sha256 = "1hvsnh3fzbh1vl7cki0sbpd5ar6cxdc7k3mfqby0xxv3zfywmmr2";
+    sha256 = "1qqacb7v7mhr9k162yll8mcbh0cxa347f5hypz0a8l54v1dz5fyl";
   };
 
   nativeBuildInputs = [ cmake libtool llvm-bintools ninja ];