diff --git a/Cargo.lock b/Cargo.lock
index 6bc9e7942..6a6c5d1cf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2848,9 +2848,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.19.0"
+version = "1.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+checksum = "33ea5043e58958ee56f3e15a90aee535795cd7dfd319846288d93c5b57d85cbe"
 
 [[package]]
 name = "opaque-debug"
diff --git a/swap/Cargo.toml b/swap/Cargo.toml
index 8354ec0a7..ec496e454 100644
--- a/swap/Cargo.toml
+++ b/swap/Cargo.toml
@@ -37,7 +37,7 @@ jsonrpsee-core = "0.16.2"
 libp2p = { version = "0.42.2", default-features = false, features = [ "tcp-tokio", "yamux", "mplex", "dns-tokio", "noise", "request-response", "websocket", "ping", "rendezvous", "identify" ] }
 monero = { version = "0.12", features = [ "serde_support" ] }
 monero-rpc = { path = "../monero-rpc" }
-once_cell = "1.19"
+once_cell = "1.20"
 pem = "3.0"
 proptest = "1"
 qrcode = "0.14"