diff --git a/pkgs/top-level/release.nix b/pkgs/top-level/release.nix
index 8ffc8b33337..af1ea67a86f 100644
--- a/pkgs/top-level/release.nix
+++ b/pkgs/top-level/release.nix
@@ -481,6 +481,18 @@ with (import ./release-lib.nix);
     virtualboxGuestAdditions = linux;
   };
 
+  linuxPackages_2_6_37 = {
+    kernel = linux;
+    virtualbox = linux;
+    virtualboxGuestAdditions = linux;
+  };
+
+  linuxPackages_2_6_38 = {
+    kernel = linux;
+    virtualbox = linux;
+    virtualboxGuestAdditions = linux;
+  };
+
   strategoPackages = {
     sdf = all;
     strategoxt = all;