diff --git a/pkgs/development/compilers/cudatoolkit/default.nix b/pkgs/development/compilers/cudatoolkit/default.nix
index 1c7a566c35e..62b965c44a7 100644
--- a/pkgs/development/compilers/cudatoolkit/default.nix
+++ b/pkgs/development/compilers/cudatoolkit/default.nix
@@ -326,5 +326,5 @@ in rec {
     gcc = gcc7;
   };
 
-  cudatoolkit_10 = cudatoolkit_10_0;
+  cudatoolkit_10 = cudatoolkit_10_1;
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a3f224a8f97..481f8870026 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2476,7 +2476,7 @@ in
     cudatoolkit_10_0
     cudatoolkit_10_1;
 
-  cudatoolkit = cudatoolkit_9;
+  cudatoolkit = cudatoolkit_10;
 
   inherit (callPackages ../development/libraries/science/math/cudnn { })
     cudnn_cudatoolkit_7
@@ -2491,7 +2491,7 @@ in
     cudnn_cudatoolkit_10_0
     cudnn_cudatoolkit_10_1;
 
-  cudnn = cudnn_cudatoolkit_9;
+  cudnn = cudnn_cudatoolkit_10;
 
   curlFull = curl.override {
     idnSupport = true;