diff --git a/test/functional/feature_assumevalid.py b/test/functional/feature_assumevalid.py
index 111a408239..bbccb41a12 100755
--- a/test/functional/feature_assumevalid.py
+++ b/test/functional/feature_assumevalid.py
@@ -40,7 +40,7 @@ from test_framework.messages import (
     CTxIn,
     CTxOut,
     msg_block,
-    msg_headers
+    msg_headers,
 )
 from test_framework.mininode import P2PInterface
 from test_framework.script import (CScript, OP_TRUE)
@@ -190,7 +190,7 @@ class AssumeValidTest(BitcoinTestFramework):
         for i in range(200):
             p2p1.send_message(msg_block(self.blocks[i]))
         # Syncing so many blocks can take a while on slow systems. Give it plenty of time to sync.
-        p2p1.sync_with_ping(300)
+        p2p1.sync_with_ping(960)
         assert_equal(self.nodes[1].getblock(self.nodes[1].getbestblockhash())['height'], 200)
 
         # Send blocks to node2. Block 102 will be rejected.
diff --git a/test/functional/feature_dbcrash.py b/test/functional/feature_dbcrash.py
index 37c120b21d..b7cc776fa2 100755
--- a/test/functional/feature_dbcrash.py
+++ b/test/functional/feature_dbcrash.py
@@ -50,7 +50,7 @@ class ChainstateWriteCrashTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 4
         self.setup_clean_chain = False
-        self.rpc_timeout = 180
+        self.rpc_timeout = 480
 
         # Set -maxmempool=0 to turn off mempool memory sharing with dbcache
         # Set -rpcservertimeout=900 to reduce socket disconnects in this
diff --git a/test/functional/feature_pruning.py b/test/functional/feature_pruning.py
index e9190e0d65..6f8ac34fa3 100755
--- a/test/functional/feature_pruning.py
+++ b/test/functional/feature_pruning.py
@@ -85,6 +85,7 @@ class PruneTest(BitcoinTestFramework):
             ["-dip3params=2000:2000", "-dip8params=2000", "-disablegovernance","-txindex=0","-maxreceivebuffer=20000","-blockmaxsize=999000"],
             ["-dip3params=2000:2000", "-dip8params=2000", "-disablegovernance","-txindex=0","-prune=550"],
         ]
+        self.rpc_timeout = 120
 
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()
diff --git a/test/functional/p2p_invalid_messages.py b/test/functional/p2p_invalid_messages.py
index b6eb7c8fe3..b656b00e68 100755
--- a/test/functional/p2p_invalid_messages.py
+++ b/test/functional/p2p_invalid_messages.py
@@ -81,7 +81,7 @@ class InvalidMessagesTest(BitcoinTestFramework):
 
             # Peer 1, despite serving up a bunch of nonsense, should still be connected.
             self.log.info("Waiting for node to drop junk messages.")
-            node.p2p.sync_with_ping(timeout=30)
+            node.p2p.sync_with_ping(timeout=320)
             assert node.p2p.is_connected
 
         #
diff --git a/test/functional/tool_wallet.py b/test/functional/tool_wallet.py
index 750492ce12..e1c5932720 100755
--- a/test/functional/tool_wallet.py
+++ b/test/functional/tool_wallet.py
@@ -19,6 +19,7 @@ class ToolWalletTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 1
         self.setup_clean_chain = True
+        self.rpc_timeout = 120
 
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()
diff --git a/test/functional/wallet_backup.py b/test/functional/wallet_backup.py
index cf43804aed..5ac70f5a03 100755
--- a/test/functional/wallet_backup.py
+++ b/test/functional/wallet_backup.py
@@ -44,6 +44,7 @@ class WalletBackupTest(BitcoinTestFramework):
         self.setup_clean_chain = True
         # nodes 1, 2,3 are spenders, let's give them a keypool=100
         self.extra_args = [["-keypool=100"], ["-keypool=100"], ["-keypool=100"], []]
+        self.rpc_timeout = 120
 
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()