diff --git a/pkgs/development/libraries/piper-phonemize/default.nix b/pkgs/development/libraries/piper-phonemize/default.nix
index af05a28b5b1c..2016f7234e5a 100644
--- a/pkgs/development/libraries/piper-phonemize/default.nix
+++ b/pkgs/development/libraries/piper-phonemize/default.nix
@@ -28,13 +28,13 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "piper-phonemize";
-  version = "2023.9.27-2";
+  version = "2023.11.6-1";
 
   src = fetchFromGitHub {
     owner = "rhasspy";
     repo = "piper-phonemize";
     rev = "refs/tags/${version}";
-    hash = "sha256-Rwl8D5ZX9sGdxEch+l7pXdbf4nPCuSfGrK5x/EQ+O60=";
+    hash = "sha256-IRvuA03Z6r8Re/ocq2G/r28uwI9RU3xmmNI7S2G40rc=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/tools/audio/piper/default.nix b/pkgs/tools/audio/piper/default.nix
index d68ffa2b77ea..5b69721bdb4b 100644
--- a/pkgs/tools/audio/piper/default.nix
+++ b/pkgs/tools/audio/piper/default.nix
@@ -19,13 +19,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "piper";
-  version = "2023.9.27-1";
+  version = "2023.11.6-1";
 
   src = fetchFromGitHub {
     owner = "rhasspy";
     repo = "piper";
     rev = "refs/tags/${finalAttrs.version}";
-    hash = "sha256-U7yOiqNvE0WqZB8qaKf3U7gnTJ6q+9W5lviW79b6h/o=";
+    hash = "sha256-9y7HuVgbI8if5XrgQGnEZV1lOw8oMXTFRUTvy/kTGfs=";
   };
 
   nativeBuildInputs = [