diff --git a/Cargo.lock b/Cargo.lock
index 5337350..ce703ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1839,9 +1839,9 @@ dependencies = [
 
 [[package]]
 name = "openssh-sftp-client"
-version = "0.13.5"
+version = "0.13.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "866d0eab409a2fcb6b8c3838fdbf10d7399d486548c19179a80f1c1142e93348"
+checksum = "bff0b8012752f6cdf35c0483c0bd0cc15f4b229284f1f5a7aaf2a66cd7e8fde9"
 dependencies = [
  "bytes",
  "derive_destructure2",
diff --git a/yama_wormfile_sftp/Cargo.toml b/yama_wormfile_sftp/Cargo.toml
index 70e4812..9166407 100644
--- a/yama_wormfile_sftp/Cargo.toml
+++ b/yama_wormfile_sftp/Cargo.toml
@@ -10,7 +10,8 @@ yama_wormfile = { version = "0.1.0", path = "../yama_wormfile" }
 
 ouroboros = "0.15.6"
 openssh = "0.9.9"
-openssh-sftp-client = "0.13.5"
+# Need >=0.13.6 which includes a fix for massive memory leak (infinite buffering): https://github.com/openssh-rust/openssh-sftp-client/issues/89
+openssh-sftp-client = "0.13.9"
 async-trait = "0.1.68"
 tokio = { version = "1.27.0", features = ["io-std"] }
 tokio-stream = "0.1.14"