diff --git a/pkgs/by-name/vo/voicevox-core/package.nix b/pkgs/by-name/vo/voicevox-core/package.nix
index 8797bfa570ec..a49e712280f6 100644
--- a/pkgs/by-name/vo/voicevox-core/package.nix
+++ b/pkgs/by-name/vo/voicevox-core/package.nix
@@ -25,7 +25,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
   # Update only together with voicevox and voicevox-engine
   # nixpkgs-update: no auto update
   version = "0.16.2";
-  passthru.modelVersion = "0.16.3";
+  passthru.modelVersion = "0.16.4";
 
   src = fetchFromGitHub {
     owner = "VOICEVOX";
@@ -70,7 +70,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
       owner = "VOICEVOX";
       repo = "voicevox_vvm";
       tag = finalAttrs.passthru.modelVersion;
-      hash = "sha256-VqSNEHJV/g9R+4XknRGi/s4C7/uXEGCK5/NC2XwiPcI=";
+      hash = "sha256-/NU9CZcb+gHXHeno3NLF0EgPLw+6f8XyiAE2b9XJmuE=";
     };
 
     nativeBuildInputs = [ python3 ];
diff --git a/pkgs/by-name/vo/voicevox-engine/package.nix b/pkgs/by-name/vo/voicevox-engine/package.nix
index 7934fee85c7d..41466c761e90 100644
--- a/pkgs/by-name/vo/voicevox-engine/package.nix
+++ b/pkgs/by-name/vo/voicevox-engine/package.nix
@@ -7,14 +7,14 @@
 
 python3Packages.buildPythonApplication (finalAttrs: {
   pname = "voicevox-engine";
-  version = "0.25.1";
+  version = "0.25.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "VOICEVOX";
     repo = "voicevox_engine";
     tag = finalAttrs.version;
-    hash = "sha256-4pZs5f6Fe4kHIKcyww1eq9uRTf7rk5KAr/00H8aH9qA=";
+    hash = "sha256-A+ym/ZfHUHqXSGOiIndUeozrK64uJILCmRUm+qSsSNE=";
   };
 
   patches = [
@@ -103,7 +103,7 @@ python3Packages.buildPythonApplication (finalAttrs: {
       owner = "VOICEVOX";
       repo = "voicevox_resource";
       tag = finalAttrs.version;
-      hash = "sha256-YaUVlZnpxu/IhLrp1XdcxDyus7DRhyzu4VKfabTsPUY=";
+      hash = "sha256-Byv9ASl1qCeGWJiBtpGoPFgpbwtSdn48XvzIDS0SHN4=";
     };
 
     pyopenjtalk = python3Packages.callPackage ./pyopenjtalk.nix { };
diff --git a/pkgs/by-name/vo/voicevox/package.nix b/pkgs/by-name/vo/voicevox/package.nix
index eec83720f5bd..0bcb9ed27ba0 100644
--- a/pkgs/by-name/vo/voicevox/package.nix
+++ b/pkgs/by-name/vo/voicevox/package.nix
@@ -22,13 +22,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "voicevox";
-  version = "0.25.1";
+  version = "0.25.2";
 
   src = fetchFromGitHub {
     owner = "VOICEVOX";
     repo = "voicevox";
     tag = finalAttrs.version;
-    hash = "sha256-l9aFuhOylcQrHa+0R0P4Jy5iL2gA6xJsUJt8KvWIMuM=";
+    hash = "sha256-AORB6oxvDUNOxnwgIlAKkgtt0+NpU16Fc4qc1aMhxkQ=";
   };
 
   patches = [