diff --git a/pkgs/by-name/op/opensearch/package.nix b/pkgs/by-name/op/opensearch/package.nix
index 6ef6a4075b9f3..89264bf01ea49 100644
--- a/pkgs/by-name/op/opensearch/package.nix
+++ b/pkgs/by-name/op/opensearch/package.nix
@@ -12,11 +12,11 @@
 
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "opensearch";
-  version = "2.19.2";
+  version = "2.19.4";
 
   src = fetchurl {
     url = "https://artifacts.opensearch.org/releases/bundle/opensearch/${finalAttrs.version}/opensearch-${finalAttrs.version}-linux-x64.tar.gz";
-    hash = "sha256-EaOx8vs3y00ln7rUiaCGoD+HhiQY4bhQAzu18VfaTYw=";
+    hash = "sha256-SPsKpuXjfd37I2hdYeU7lDws6CpFVv8XS6xQFyNNPHU=";
   };
 
   nativeBuildInputs = [