diff --git a/pkgs/applications/science/misc/root/default.nix b/pkgs/applications/science/misc/root/default.nix
index 3316284349bc..b4e0a35184a8 100644
--- a/pkgs/applications/science/misc/root/default.nix
+++ b/pkgs/applications/science/misc/root/default.nix
@@ -56,11 +56,11 @@ in
 
 stdenv.mkDerivation rec {
   pname = "root";
-  version = "6.26.04";
+  version = "6.26.06";
 
   src = fetchurl {
     url = "https://root.cern.ch/download/root_v${version}.source.tar.gz";
-    hash = "sha256-onHPgngtbtLIfqXu9mgYA/LmnhezA2352GNjbpNYQh4=";
+    hash = "sha256-sfc8l2pYClxWyMigFSWCod/FYLTdgOG3VFI3tl5sics=";
   };
 
   nativeBuildInputs = [ makeWrapper cmake pkg-config git ];