diff --git a/pkgs/development/compilers/cudatoolkit/default.nix b/pkgs/development/compilers/cudatoolkit/default.nix
index 6e6b27c2cf7c..97aabf36e263 100644
--- a/pkgs/development/compilers/cudatoolkit/default.nix
+++ b/pkgs/development/compilers/cudatoolkit/default.nix
@@ -86,5 +86,5 @@ rec {
     gcc = gcc10; # can bump to 11 along with stdenv.cc
   };
 
-  cudatoolkit_11 = cudatoolkit_11_4;
+  cudatoolkit_11 = cudatoolkit_11_6;
 }