diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 9a59b5c4f4ea..6deea58a40c8 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -29,11 +29,11 @@
 
   firefox-beta = buildMozillaMach rec {
     pname = "firefox-beta";
-    version = "121.0b5";
+    version = "121.0b9";
     applicationName = "Mozilla Firefox Beta";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "1c9d2e8fe32687e95af5cf335ef219e70847977568ca636a322c2804f6408d054236df4196e03fc666ac3245ca4a3a9785caf56e1d928a1850f4b34ab5237f8c";
+      sha512 = "a107ba7127f40763325335136c5aeaf6d873dd9ca1c8ca95d93e96b377b41a0974056c84e8323c51ed57e01a2e4ef9996ef2ee2d804053aa2226bd837026523a";
     };
 
     meta = {
@@ -57,12 +57,12 @@
 
   firefox-devedition = (buildMozillaMach rec {
     pname = "firefox-devedition";
-    version = "121.0b5";
+    version = "121.0b9";
     applicationName = "Mozilla Firefox Developer Edition";
     branding = "browser/branding/aurora";
     src = fetchurl {
       url = "mirror://mozilla/devedition/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "cf23b18abece88f4cee418892791a8a4076ccc14cfe0f1d58f9284ec72f109e44a5397a88b4350f963a3e02e53dd91d7b777c36debd9a3621081499519659f6e";
+      sha512 = "732c2b3f1e47512bee9af696e8763ce13b39497a6ec9af0de9904ce4f55b03bc799e628e17e84ce7062ebd5a7dc50290fbbfa17b0f41622ce5088f1d548897b5";
     };
 
     meta = {
diff --git a/pkgs/tools/security/tor/default.nix b/pkgs/tools/security/tor/default.nix
index 34088e3afbc6..5fc68c0a1c29 100644
--- a/pkgs/tools/security/tor/default.nix
+++ b/pkgs/tools/security/tor/default.nix
@@ -30,11 +30,11 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "tor";
-  version = "0.4.8.9";
+  version = "0.4.8.10";
 
   src = fetchurl {
     url = "https://dist.torproject.org/${pname}-${version}.tar.gz";
-    sha256 = "sha256-Wbt9iJD2ExtM5TRPPc6l3rIYK39PEP8MtOTYHxGyz2U=";
+    sha256 = "sha256-5ii0+rcO20cncVsjzykxN1qfdoWsCPLFnqSYoXhGOoY=";
   };
 
   outputs = [ "out" "geoip" ];