diff --git a/pkgs/applications/networking/browsers/palemoon/bin.nix b/pkgs/applications/networking/browsers/palemoon/bin.nix
index f9ab726d4e16..4d506781fee4 100644
--- a/pkgs/applications/networking/browsers/palemoon/bin.nix
+++ b/pkgs/applications/networking/browsers/palemoon/bin.nix
@@ -23,7 +23,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "palemoon-bin";
-  version = "33.9.1";
+  version = "34.0.0";
 
   src = finalAttrs.passthru.sources."gtk${if withGTK3 then "3" else "2"}";
 
@@ -173,11 +173,11 @@ stdenv.mkDerivation (finalAttrs: {
       {
         gtk3 = fetchzip {
           urls = urlRegionVariants "gtk3";
-          hash = "sha256-muFqS3NpYX0Walhd+RFIZh7pUKQ5ZbPMZJasm9+rqTE=";
+          hash = "sha256-TC/Lmn/be2RR0De3DgIo9zWm0IumlOju+CuMCJ8Rggs=";
         };
         gtk2 = fetchzip {
           urls = urlRegionVariants "gtk2";
-          hash = "sha256-lRFXpv+dp3ALVSiEDwE4kiaVjBX5XuVZeugEr+St53I=";
+          hash = "sha256-LGZP1sVS0LYZmHE9l68RPa/BOew5bgCDqyxXs0BYLjw=";
         };
       };