diff --git a/pkgs/tools/misc/fluent-bit/default.nix b/pkgs/tools/misc/fluent-bit/default.nix
index a0c7df322937..00c3d9e2a44b 100644
--- a/pkgs/tools/misc/fluent-bit/default.nix
+++ b/pkgs/tools/misc/fluent-bit/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "fluent-bit";
-  version = "2.1.7";
+  version = "2.1.8";
 
   src = fetchFromGitHub {
     owner = "fluent";
     repo = "fluent-bit";
     rev = "v${version}";
-    hash = "sha256-KQHrzfmYoDnWP4bBHXeHq47K6LqVcPuSLu7h2ka+U8A=";
+    hash = "sha256-iWbWkKd0Rpg0EU3H//sAxth1v1S52yPwGn1AzeC9xkA=";
   };
 
   nativeBuildInputs = [ cmake flex bison ];