1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 9bda1485d07..20374339b0d 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -32,10 +32,10 @@ rec {
 
   firefox-esr-91 = common rec {
     pname = "firefox-esr";
-    version = "91.4.0esr";
+    version = "91.4.1esr";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "781bf62a0e1215cad7d90de7c822978997bfeaf71bde4e7124a732921d130762c6654417c708a299726039d1603ff5e0796106118ad4b2ddef4e9dac84887765";
+      sha512 = "1b9f17c4e58e3753f8507754bba93e3b7f76df5b6845d6173719fbdd98b70af2a90242df42fe274217f56d0280e5dbae17962f5b6bf111421260790f770f5337";
     };
 
     meta = {