diff --git a/pkgs/applications/networking/browsers/tor-browser/default.nix b/pkgs/applications/networking/browsers/tor-browser/default.nix
index ce9a7c49981..7de6e40de23 100644
--- a/pkgs/applications/networking/browsers/tor-browser/default.nix
+++ b/pkgs/applications/networking/browsers/tor-browser/default.nix
@@ -92,7 +92,7 @@ lib.warnIf (useHardenedMalloc != null)
   fteLibPath = lib.makeLibraryPath [ stdenv.cc.cc gmp ];
 
   # Upstream source
-  version = "12.5.5";
+  version = "12.5.6";
 
   lang = "ALL";
 
@@ -104,7 +104,7 @@ lib.warnIf (useHardenedMalloc != null)
         "https://tor.eff.org/dist/torbrowser/${version}/tor-browser-linux64-${version}_${lang}.tar.xz"
         "https://tor.calyxinstitute.org/dist/torbrowser/${version}/tor-browser-linux64-${version}_${lang}.tar.xz"
       ];
-      hash = "sha256-FS1ywm/UJDZiSYPf0WHikoX/o6WGIP+lQQGFeD0g2dc=";
+      hash = "sha256-lZlGhyGDT9Vxox3ghfFSIZd3sazNyL23k0UtipaIGR8=";
     };
 
     i686-linux = fetchurl {
@@ -114,7 +114,7 @@ lib.warnIf (useHardenedMalloc != null)
         "https://tor.eff.org/dist/torbrowser/${version}/tor-browser-linux32-${version}_${lang}.tar.xz"
         "https://tor.calyxinstitute.org/dist/torbrowser/${version}/tor-browser-linux32-${version}_${lang}.tar.xz"
       ];
-      hash = "sha256-6ozGIQPC8QnZxS1oJ0ZEdZDMY2JkwRHs+7ZHUkqrL6U=";
+      hash = "sha256-3Z3S6P3wkZeC/lhgO7XDdDDQ6cpyOX+e3SBuh47aMl8=";
     };
   };