diff --git a/programs/stake/src/stake_instruction.rs b/programs/stake/src/stake_instruction.rs
index 545b50a55..19568f762 100644
--- a/programs/stake/src/stake_instruction.rs
+++ b/programs/stake/src/stake_instruction.rs
@@ -66,7 +66,7 @@ pub enum StakeInstruction {
     ///
     /// # Account references
     ///   0. [WRITE] Stake account to be updated
-    ///   1. [] (reserved for future use) Clock sysvar
+    ///   1. [] Clock sysvar
     ///   2. [SIGNER] The stake or withdraw authority
     Authorize(Pubkey, StakeAuthorize),
 
@@ -138,6 +138,7 @@ pub enum StakeInstruction {
     /// # Account references
     ///   0. [WRITE] Stake account to be updated
     ///   1. [SIGNER] Base key of stake or withdraw authority
+    ///   2. [] Clock sysvar
     AuthorizeWithSeed(AuthorizeWithSeedArgs),
 }
 
@@ -368,6 +369,7 @@ pub fn authorize_with_seed(
     let account_metas = vec![
         AccountMeta::new(*stake_pubkey, false),
         AccountMeta::new_readonly(*authority_base, true),
+        AccountMeta::new_readonly(sysvar::clock::id(), false),
     ];
 
     let args = AuthorizeWithSeedArgs {
diff --git a/transaction-status/src/parse_stake.rs b/transaction-status/src/parse_stake.rs
index 7a3cf1071..fa60ce018 100644
--- a/transaction-status/src/parse_stake.rs
+++ b/transaction-status/src/parse_stake.rs
@@ -354,7 +354,7 @@ mod test {
         );
         let message = Message::new(&[instruction], None);
         assert_eq!(
-            parse_stake(&message.instructions[0], &keys[0..2]).unwrap(),
+            parse_stake(&message.instructions[0], &keys[0..3]).unwrap(),
             ParsedInstructionEnum {
                 instruction_type: "authorizeWithSeed".to_string(),
                 info: json!({