diff --git a/Cargo.lock b/Cargo.lock
index 8a471044..8573a199 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2390,9 +2390,9 @@ dependencies = [
 
 [[package]]
 name = "mockito"
-version = "1.3.1"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "031ec85a3f39370cc7663640077c38766fd32b03e6beb54e6e402d0454443f7f"
+checksum = "d2f6e023aa5bdf392aa06c78e4a4e6d498baab5138d0c993503350ebbc37bf1e"
 dependencies = [
  "assert-json-diff",
  "colored",
diff --git a/swap/Cargo.toml b/swap/Cargo.toml
index 7ee5d003..6e55f023 100644
--- a/swap/Cargo.toml
+++ b/swap/Cargo.toml
@@ -77,7 +77,7 @@ zip = "0.5"
 bitcoin-harness = "0.2.2"
 get-port = "3"
 hyper = "1.2"
-mockito = "1.3.1"
+mockito = "1.4"
 monero-harness = { path = "../monero-harness" }
 port_check = "0.1"
 proptest = "1"