diff --git a/doc/release-notes-23093.md b/doc/release-notes-23093.md
new file mode 100644
index 0000000000000..ce75de56d263c
--- /dev/null
+++ b/doc/release-notes-23093.md
@@ -0,0 +1,8 @@
+Notable changes
+===============
+
+Updated RPCs
+------------
+
+- a new RPC `newkeypool` has been added, which will flush (entirely
+clear and refill) the keypool.
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 172bb82fefd57..e09a1a398c0fe 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -1747,7 +1747,7 @@ static RPCHelpMan keypoolrefill()
         "\nFills the keypool."+
                 HELP_REQUIRING_PASSPHRASE,
         {
-            {"newsize", RPCArg::Type::NUM, RPCArg::Default{int{DEFAULT_KEYPOOL_SIZE}}, "The new keypool size"},
+            {"newsize", RPCArg::Type::NUM, RPCArg::DefaultHint{strprintf("%u, or as set by -keypool", DEFAULT_KEYPOOL_SIZE)}, "The new keypool size"},
         },
         RPCResult{RPCResult::Type::NONE, "", ""},
         RPCExamples{
@@ -1786,6 +1786,33 @@ static RPCHelpMan keypoolrefill()
 }
 
 
+static RPCHelpMan newkeypool()
+{
+    return RPCHelpMan{"newkeypool",
+                "\nEntirely clears and refills the keypool."+
+            HELP_REQUIRING_PASSPHRASE,
+                {},
+                RPCResult{RPCResult::Type::NONE, "", ""},
+                RPCExamples{
+            HelpExampleCli("newkeypool", "")
+            + HelpExampleRpc("newkeypool", "")
+                },
+        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
+{
+    std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
+    if (!pwallet) return NullUniValue;
+
+    LOCK(pwallet->cs_wallet);
+
+    LegacyScriptPubKeyMan& spk_man = EnsureLegacyScriptPubKeyMan(*pwallet, true);
+    spk_man.NewKeyPool();
+
+    return NullUniValue;
+},
+    };
+}
+
+
 static RPCHelpMan walletpassphrase()
 {
     return RPCHelpMan{"walletpassphrase",
@@ -4642,6 +4669,7 @@ static const CRPCCommand commands[] =
     { "wallet",             &listwallets,                    },
     { "wallet",             &loadwallet,                     },
     { "wallet",             &lockunspent,                    },
+    { "wallet",             &newkeypool,                     },
     { "wallet",             &removeprunedfunds,              },
     { "wallet",             &rescanblockchain,               },
     { "wallet",             &send,                           },
diff --git a/test/functional/wallet_keypool_hd.py b/test/functional/wallet_keypool_hd.py
index 7ef2e16401038..52e0e6009bcf1 100755
--- a/test/functional/wallet_keypool_hd.py
+++ b/test/functional/wallet_keypool_hd.py
@@ -161,6 +161,20 @@ def run_test(self):
             assert_equal(wi['keypoolsize_hd_internal'], 100)
             assert_equal(wi['keypoolsize'], 100)
 
+        if not self.options.descriptors:
+            # Check that newkeypool entirely flushes the keypool
+            start_keypath = nodes[0].getaddressinfo(nodes[0].getnewaddress())['hdkeypath']
+            start_change_keypath = nodes[0].getaddressinfo(nodes[0].getrawchangeaddress())['hdkeypath']
+            # flush keypool and get new addresses
+            nodes[0].newkeypool()
+            end_keypath = nodes[0].getaddressinfo(nodes[0].getnewaddress())['hdkeypath']
+            end_change_keypath = nodes[0].getaddressinfo(nodes[0].getrawchangeaddress())['hdkeypath']
+            # The new keypath index should be 100 more than the old one
+            new_index = int(start_keypath.rsplit('/',  1)[1][:-1]) + 100
+            new_change_index = int(start_change_keypath.rsplit('/',  1)[1][:-1]) + 100
+            assert_equal(end_keypath, "m/0'/0'/" + str(new_index) + "'")
+            assert_equal(end_change_keypath, "m/0'/1'/" + str(new_change_index) + "'")
+
         # create a blank wallet
         nodes[0].createwallet(wallet_name='w2', blank=True, disable_private_keys=True)
         w2 = nodes[0].get_wallet_rpc('w2')