diff --git a/ChangeLog.md b/ChangeLog.md
index 99fefa86..6bf72af7 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -3,6 +3,7 @@
 ## Unreleased
 
 - Support node version 8 and protocol version 8.
+- Support for suspend/resume in validator update transactions.
 - Add command `consensus detailed-status` for getting detailed consensus status (from protocol
   version 6).
 - Add `raw GetConsensusDetailedStatus` that presents the detailed consensus status as JSON.
diff --git a/deps/concordium-base b/deps/concordium-base
index 81c5f9dc..288a8360 160000
--- a/deps/concordium-base
+++ b/deps/concordium-base
@@ -1 +1 @@
-Subproject commit 81c5f9dc2c61c8de342057ce6c12d02e9d5223a7
+Subproject commit 288a83600ebb48e2dc5151cb7a752622306aa3cc
diff --git a/src/Concordium/Client/Commands.hs b/src/Concordium/Client/Commands.hs
index 2bae24ad..1a2c35e9 100644
--- a/src/Concordium/Client/Commands.hs
+++ b/src/Concordium/Client/Commands.hs
@@ -495,6 +495,7 @@ data BakerCmd
           bcTransactionFeeCommission :: !(Maybe AmountFraction),
           bcBakingRewardCommission :: !(Maybe AmountFraction),
           bcFinalizationRewardCommission :: !(Maybe AmountFraction),
+          bcSuspend :: !(Maybe Bool),
           bcInputKeyFile :: !(Maybe FilePath),
           bcOutputKeyFile :: !(Maybe FilePath)
         }
@@ -1800,6 +1801,10 @@ bakerConfigureCmd =
                 <*> optional (option (eitherReader amountFractionFromStringInform) (long "delegation-transaction-fee-commission" <> metavar "DECIMAL-FRACTION" <> help ("Fraction the validator takes in commission from delegators on transaction fee rewards. " ++ rangesHelpString "transaction fee commission")))
                 <*> optional blockCommission
                 <*> optional (option (eitherReader amountFractionFromStringInform) (long "delegation-finalization-commission" <> metavar "DECIMAL-FRACTION" <> help ("Fraction the validator takes in commission from delegators on finalization rewards. " ++ rangesHelpString "finalization reward commission")))
+                <*> optional
+                    ( flag' True (long "suspend" <> help "Suspend the validator. The validator will not participate in the consensus anymore.")
+                        <|> flag' False (long "resume" <> help "Resume the validator.")
+                    )
                 <*> optional (strOption (long "keys-in" <> metavar "FILE" <> help "File containing validator credentials."))
                 <*> optional (strOption (long "keys-out" <> metavar "FILE" <> help "File to write updated validator credentials to, in case of successful transaction. These can be used to start the node."))
             )
diff --git a/src/Concordium/Client/Runner.hs b/src/Concordium/Client/Runner.hs
index b90fac79..73e75ded 100644
--- a/src/Concordium/Client/Runner.hs
+++ b/src/Concordium/Client/Runner.hs
@@ -3009,12 +3009,14 @@ processBakerConfigureCmd ::
     Maybe Types.AmountFraction ->
     -- | Finalization commission.
     Maybe Types.AmountFraction ->
+    -- | Whether to suspend/resume baker.
+    Maybe Bool ->
     -- | File to read baker keys from.
     Maybe FilePath ->
     -- | File to write baker keys to.
     Maybe FilePath ->
     IO ()
-processBakerConfigureCmd baseCfgDir verbose backend txOpts isBakerConfigure cbCapital cbRestakeEarnings cbOpenForDelegation metadataURL cbTransactionFeeCommission cbBakingRewardCommission cbFinalizationRewardCommission inputKeysFile outputKeysFile = do
+processBakerConfigureCmd baseCfgDir verbose backend txOpts isBakerConfigure cbCapital cbRestakeEarnings cbOpenForDelegation metadataURL cbTransactionFeeCommission cbBakingRewardCommission cbFinalizationRewardCommission cbSuspend inputKeysFile outputKeysFile = do
     let intOpts = toInteractionOpts txOpts
     let outFile = toOutFile txOpts
     (bakerKeys, txCfg, pl) <- transactionForBakerConfigure (ioConfirm intOpts)
@@ -3180,8 +3182,6 @@ processBakerConfigureCmd baseCfgDir verbose backend txOpts isBakerConfigure cbCa
             putStrLn ""
         let cbMetadataURL = fmap (Types.UrlText . Text.pack) metadataURL
         (bakerKeys, cbKeysWithProofs) <- readInputKeysFile baseCfg
-        -- TODO: support setting the suspend flag. Issue #326
-        let cbSuspend = Nothing
         let payload = Types.encodePayload Types.ConfigureBaker{..}
             nrgCost _ = case cbKeysWithProofs of
                 Nothing -> return . Just $ bakerConfigureEnergyCostWithoutKeys (Types.payloadSize payload)
@@ -3744,7 +3744,7 @@ processBakerUpdateStakeCmd baseCfgDir verbose backend txOpts newStake = do
                 askConfirmation $ Just "confirm that you want to remove validator"
             else return True
     when ok $
-        processBakerConfigureCmd baseCfgDir verbose backend txOpts False (Just newStake) Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
+        processBakerConfigureCmd baseCfgDir verbose backend txOpts False (Just newStake) Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
 
 -- | Process a 'baker ...' command.
 processBakerCmd :: BakerCmd -> Maybe FilePath -> Verbose -> Backend -> IO ()
@@ -3807,23 +3807,23 @@ processBakerCmd action baseCfgDir verbose backend =
                         transactionFeeCommission = ebadTransactionFeeCommission <$> extraData
                         bakingRewardCommission = ebadBakingRewardCommission <$> extraData
                         finalizationRewardCommission = ebadFinalizationRewardCommission <$> extraData
-                    processBakerConfigureCmd baseCfgDir verbose backend txOpts False (Just initialStake) (Just autoRestake) openForDelegation metadataURL transactionFeeCommission bakingRewardCommission finalizationRewardCommission (Just bakerKeysFile) outputFile
-        BakerConfigure txOpts capital restake openForDelegation metadataURL transactionFeeCommission bakingRewardCommission finalizationRewardCommission inputKeysFile outputKeysFile ->
-            processBakerConfigureCmd baseCfgDir verbose backend txOpts True capital restake openForDelegation metadataURL transactionFeeCommission bakingRewardCommission finalizationRewardCommission inputKeysFile outputKeysFile
+                    processBakerConfigureCmd baseCfgDir verbose backend txOpts False (Just initialStake) (Just autoRestake) openForDelegation metadataURL transactionFeeCommission bakingRewardCommission finalizationRewardCommission Nothing (Just bakerKeysFile) outputFile
+        BakerConfigure txOpts capital restake openForDelegation metadataURL transactionFeeCommission bakingRewardCommission finalizationRewardCommission suspend inputKeysFile outputKeysFile ->
+            processBakerConfigureCmd baseCfgDir verbose backend txOpts True capital restake openForDelegation metadataURL transactionFeeCommission bakingRewardCommission finalizationRewardCommission suspend inputKeysFile outputKeysFile
         BakerSetKeys file txOpts outfile -> do
             pv <- withClient backend $ do
                 cs <- getResponseValueOrDie =<< getConsensusInfo
                 return $ Queries.csProtocolVersion cs
             if pv < Types.P4
                 then processBakerSetKeysCmd baseCfgDir verbose backend txOpts file outfile
-                else processBakerConfigureCmd baseCfgDir verbose backend txOpts False Nothing Nothing Nothing Nothing Nothing Nothing Nothing (Just file) outfile
+                else processBakerConfigureCmd baseCfgDir verbose backend txOpts False Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing (Just file) outfile
         BakerRemove txOpts -> do
             pv <- withClient backend $ do
                 cs <- getResponseValueOrDie =<< getConsensusInfo
                 return $ Queries.csProtocolVersion cs
             if pv < Types.P4
                 then processBakerRemoveCmd baseCfgDir verbose backend txOpts
-                else processBakerConfigureCmd baseCfgDir verbose backend txOpts False (Just 0) Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
+                else processBakerConfigureCmd baseCfgDir verbose backend txOpts False (Just 0) Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
         BakerUpdateStake newStake txOpts -> do
             pv <- withClient backend $ do
                 cs <- getResponseValueOrDie =<< getConsensusInfo
@@ -3837,11 +3837,11 @@ processBakerCmd action baseCfgDir verbose backend =
                 return $ Queries.csProtocolVersion cs
             if pv < Types.P4
                 then processBakerUpdateRestakeCmd baseCfgDir verbose backend txOpts restake
-                else processBakerConfigureCmd baseCfgDir verbose backend txOpts False Nothing (Just restake) Nothing Nothing Nothing Nothing Nothing Nothing Nothing
+                else processBakerConfigureCmd baseCfgDir verbose backend txOpts False Nothing (Just restake) Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
         BakerUpdateMetadataURL url txOpts ->
-            processBakerConfigureCmd baseCfgDir verbose backend txOpts False Nothing Nothing Nothing (Just url) Nothing Nothing Nothing Nothing Nothing
+            processBakerConfigureCmd baseCfgDir verbose backend txOpts False Nothing Nothing Nothing (Just url) Nothing Nothing Nothing Nothing Nothing Nothing
         BakerUpdateOpenDelegationStatus status txOpts ->
-            processBakerConfigureCmd baseCfgDir verbose backend txOpts False Nothing Nothing (Just status) Nothing Nothing Nothing Nothing Nothing Nothing
+            processBakerConfigureCmd baseCfgDir verbose backend txOpts False Nothing Nothing (Just status) Nothing Nothing Nothing Nothing Nothing Nothing Nothing
         BakerGetEarliestWinTime bakerId useLocalTime doPoll -> do
             winTimestamp <- getWinTimestamp
             putStrLn [i|Validator #{bakerId} is expected to produce a block no sooner than:|]