diff --git a/Cargo.lock b/Cargo.lock
index ceb777c..d16f21b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -59,7 +59,7 @@ checksum = "ed6aa3524a2dfcf9fe180c51eae2b58738348d819517ceadf95789c51fff7600"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.92",
 ]
 
 [[package]]
@@ -537,7 +537,7 @@ checksum = "33c1e13800337f4d4d7a316bf45a567dbcb6ffe087f16424852d97e97a91f512"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.92",
 ]
 
 [[package]]
@@ -1170,18 +1170,30 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "openssl"
-version = "0.10.38"
+version = "0.10.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c7ae222234c30df141154f159066c5093ff73b63204dcda7121eb082fc56a95"
+checksum = "345df152bc43501c5eb9e4654ff05f794effb78d4efe3d53abc158baddc0703d"
 dependencies = [
  "bitflags",
  "cfg-if 1.0.0",
  "foreign-types",
  "libc",
  "once_cell",
+ "openssl-macros",
  "openssl-sys",
 ]
 
+[[package]]
+name = "openssl-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+]
+
 [[package]]
 name = "openssl-probe"
 version = "0.1.5"
@@ -1199,11 +1211,10 @@ dependencies = [
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.72"
+version = "0.9.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e46109c383602735fa0a2e48dd2b7c892b048e1bf69e5c3b1d804b7d9c203cb"
+checksum = "374533b0e45f3a7ced10fcaeccca020e66656bc03dac384f852e4e5a7a8104a6"
 dependencies = [
- "autocfg",
  "cc",
  "libc",
  "openssl-src",
@@ -1266,7 +1277,7 @@ checksum = "044964427019eed9d49d9d5bbce6047ef18f37100ea400912a9fa4a3523ab12a"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.92",
 ]
 
 [[package]]
@@ -1277,7 +1288,7 @@ checksum = "744b6f092ba29c3650faf274db506afd39944f48420f6c86b17cfe0ee1cb36bb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.92",
 ]
 
 [[package]]
@@ -1331,11 +1342,11 @@ checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.37"
+version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec757218438d5fda206afc041538b2f6d889286160d649a86a24d37e1235afd1"
+checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -1346,9 +1357,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quote"
-version = "1.0.18"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1feb54ed693b93a84e14094943b84b7c4eae204c512b7ccb95ab0c66d278ad1"
+checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
 dependencies = [
  "proc-macro2",
 ]
@@ -1762,7 +1773,7 @@ checksum = "1f26faba0c3959972377d3b2d306ee9f71faee9714294e41bb777f83f88578be"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.92",
 ]
 
 [[package]]
@@ -1962,6 +1973,17 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "syn"
+version = "2.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "tempdir"
 version = "0.3.7"
@@ -2030,7 +2052,7 @@ checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.92",
 ]
 
 [[package]]
@@ -2107,7 +2129,7 @@ checksum = "e44da00bfc73a25f814cd8d7e57a68a5c31b74b3152a0a1d1f590c97ed06265a"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.92",
 ]
 
 [[package]]
@@ -2447,6 +2469,12 @@ version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"
 
+[[package]]
+name = "unicode-ident"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
+
 [[package]]
 name = "unicode-normalization"
 version = "0.1.19"
@@ -2608,7 +2636,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.92",
  "wasm-bindgen-shared",
 ]
 
@@ -2642,7 +2670,7 @@ checksum = "99ec0dc7a4756fffc231aab1b9f2f578d23cd391390ab27f952ae0c9b3ece20b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.92",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/tunshell-client/Cargo.toml b/tunshell-client/Cargo.toml
index 503de5f..ae42a77 100644
--- a/tunshell-client/Cargo.toml
+++ b/tunshell-client/Cargo.toml
@@ -41,7 +41,7 @@ tokio-rustls = { version = "0.13.1", features=["dangerous_configuration"] }
 [target.'cfg(openssl)'.dependencies]
 native-tls = "0.2.4"
 tokio-native-tls = { version = "0.1.0" }
-openssl = { version = "0.10.30", features=["vendored"] }
+openssl = { version = "0.10.55", features=["vendored"] }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 tokio = { version = "0.2.21", features=["blocking", "time", "io-util", "sync", "macros"] }