diff --git a/lib/default.nix b/lib/default.nix
index 5b742b195d340..22906e53d55cc 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -169,7 +169,7 @@ let
       mergeAttrsWithFunc mergeAttrsConcatenateValues
       mergeAttrsNoOverride mergeAttrByFunc mergeAttrsByFuncDefaults
       mergeAttrsByFuncDefaultsClean mergeAttrBy
-      fakeHash fakeSha256 fakeSha512
+      fakeHash fakeSha256 fakeSha512 randomHash
       nixType imap;
     inherit (self.versions)
       splitVersion;
diff --git a/lib/deprecated/misc.nix b/lib/deprecated/misc.nix
index 34d1c01ce811a..a4c5b9d4bfb84 100644
--- a/lib/deprecated/misc.nix
+++ b/lib/deprecated/misc.nix
@@ -329,6 +329,7 @@ let
   fakeHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
   fakeSha256 = "0000000000000000000000000000000000000000000000000000000000000000";
   fakeSha512 = "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000";
+  randomHash = builtins.hashString "sha256" (builtins.readFile /proc/sys/kernel/random/uuid);
 
 in
 
@@ -346,6 +347,7 @@ in
     fakeHash
     fakeSha256
     fakeSha512
+    randomHash
     foldArgs
     getValue
     ifEnable