diff --git a/pkgs/applications/audio/praat/default.nix b/pkgs/applications/audio/praat/default.nix
index 4fd62e984dfe..0f98ba2357a5 100644
--- a/pkgs/applications/audio/praat/default.nix
+++ b/pkgs/applications/audio/praat/default.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "praat";
-  version = "6.4.05";
+  version = "6.4.06";
 
   src = fetchFromGitHub {
     owner = "praat";
     repo = "praat";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-ctCDxE//vH4i22bKYBs14pdmp+1M6K+w7Tm22ZoGOf8=";
+    hash = "sha256-eZYNXNmxrvI+jR1UEgXrsUTriZ8zTTwM9cEy7HgiZzs=";
   };
 
   nativeBuildInputs = [