diff --git a/pkgs/by-name/mu/mullvad-browser/package.nix b/pkgs/by-name/mu/mullvad-browser/package.nix
index 6f7675405b2e..f718e178f988 100644
--- a/pkgs/by-name/mu/mullvad-browser/package.nix
+++ b/pkgs/by-name/mu/mullvad-browser/package.nix
@@ -97,7 +97,7 @@ let
     ++ lib.optionals mediaSupport [ ffmpeg_7 ]
   );
 
-  version = "15.0.14";
+  version = "15.0.16";
 
   sources = {
     x86_64-linux = fetchurl {
@@ -109,7 +109,7 @@ let
         "https://tor.eff.org/dist/mullvadbrowser/${version}/mullvad-browser-linux-x86_64-${version}.tar.xz"
         "https://tor.calyxinstitute.org/dist/mullvadbrowser/${version}/mullvad-browser-linux-x86_64-${version}.tar.xz"
       ];
-      hash = "sha256-E/q2wXeTGcEhiAvUCrFKv34gc4vP4o3ZPjqkcS6Dxgk=";
+      hash = "sha256-mlQUAdGcOUbqReROqhs4fwSUmTZqQAEhwsg6ulM2hx4=";
     };
   };
 
diff --git a/pkgs/by-name/to/tor-browser/package.nix b/pkgs/by-name/to/tor-browser/package.nix
index bb87d7b261bc..d8bd48451029 100644
--- a/pkgs/by-name/to/tor-browser/package.nix
+++ b/pkgs/by-name/to/tor-browser/package.nix
@@ -102,7 +102,7 @@ let
     ++ lib.optionals mediaSupport [ ffmpeg_7 ]
   );
 
-  version = "15.0.15";
+  version = "15.0.16";
 
   sources = {
     x86_64-linux = fetchurl {
@@ -112,7 +112,7 @@ let
         "https://tor.eff.org/dist/torbrowser/${version}/tor-browser-linux-x86_64-${version}.tar.xz"
         "https://tor.calyxinstitute.org/dist/torbrowser/${version}/tor-browser-linux-x86_64-${version}.tar.xz"
       ];
-      hash = "sha256-UlKf5YPGnPCKzCiFu1dxLg6kg3bJQAcZlwOKE9rTIgQ=";
+      hash = "sha256-EVQMUSBKVErtMoXzjxWd+ga6tptS7GsnJvdw0e2s5Qc=";
     };
 
     i686-linux = fetchurl {
@@ -122,7 +122,7 @@ let
         "https://tor.eff.org/dist/torbrowser/${version}/tor-browser-linux-i686-${version}.tar.xz"
         "https://tor.calyxinstitute.org/dist/torbrowser/${version}/tor-browser-linux-i686-${version}.tar.xz"
       ];
-      hash = "sha256-bIFw4QOIgEQBdcQqjYRKWmy/C0srG0eBBR5H5oteWlo=";
+      hash = "sha256-c4sA3uKZZdPSdSmIOs536s5fHUw39+y/l4vS6H4cYrI=";
     };
   };