diff --git a/Cargo.lock b/Cargo.lock
index 9302093..89eb349 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -131,6 +131,12 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
+[[package]]
+name = "base64"
+version = "0.21.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
+
 [[package]]
 name = "base64-compat"
 version = "1.0.0"
@@ -232,16 +238,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "buf_redux"
-version = "0.8.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b953a6887648bb07a535631f2bc00fbdb2a2216f135552cb3f534ed136b9c07f"
-dependencies = [
- "memchr",
- "safemem",
-]
-
 [[package]]
 name = "bumpalo"
 version = "3.10.0"
@@ -515,9 +511,9 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.10.3"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2fb860ca6fafa5552fb6d0e816a69c8e49f0908bf524e30a90d97c85892d506"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer 0.10.2",
  "crypto-common",
@@ -872,14 +868,14 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4cff78e5788be1e0ab65b04d306b2ed5092c815ec97ec70f4ebd5aee158aa55d"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "bitflags",
  "bytes 1.1.0",
  "headers-core",
  "http",
  "httpdate 1.0.2",
  "mime",
- "sha-1 0.10.0",
+ "sha-1",
 ]
 
 [[package]]
@@ -1428,30 +1424,30 @@ dependencies = [
  "tokio 1.25.0",
 ]
 
+[[package]]
+name = "multer"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01acbdc23469fd8fe07ab135923371d5f5a422fbf9c522158677c8eb15bc51c2"
+dependencies = [
+ "bytes 1.1.0",
+ "encoding_rs",
+ "futures-util",
+ "http",
+ "httparse",
+ "log",
+ "memchr",
+ "mime",
+ "spin 0.9.8",
+ "version_check",
+]
+
 [[package]]
 name = "multimap"
 version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
 
-[[package]]
-name = "multipart"
-version = "0.18.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00dec633863867f29cb39df64a397cdf4a6354708ddd7759f70c7fb51c5f9182"
-dependencies = [
- "buf_redux",
- "httparse",
- "log",
- "mime",
- "mime_guess",
- "quick-error",
- "rand 0.8.5",
- "safemem",
- "tempfile",
- "twoway",
-]
-
 [[package]]
 name = "native-tls"
 version = "0.2.10"
@@ -1660,7 +1656,7 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03c64931a1a212348ec4f3b4362585eca7159d0d09cbdf4a7f74f02173596fd4"
 dependencies = [
- "base64",
+ "base64 0.13.0",
 ]
 
 [[package]]
@@ -1849,12 +1845,6 @@ dependencies = [
  "prost 0.9.0",
 ]
 
-[[package]]
-name = "quick-error"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
-
 [[package]]
 name = "quote"
 version = "1.0.15"
@@ -2026,7 +2016,7 @@ version = "0.11.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b75aa69a3f06bbcc66ede33af2af253c6f7a86b1ca0033f60c580a27074fbf92"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "bytes 1.1.0",
  "encoding_rs",
  "futures-core",
@@ -2073,7 +2063,7 @@ dependencies = [
  "cc",
  "libc",
  "once_cell",
- "spin",
+ "spin 0.5.2",
  "untrusted",
  "web-sys",
  "winapi 0.3.9",
@@ -2132,25 +2122,28 @@ version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35edb675feee39aec9c99fa5ff985081995a06d594114ae14cbe797ad7b7a6d7"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "log",
  "ring",
  "sct",
  "webpki",
 ]
 
+[[package]]
+name = "rustls-pemfile"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d3987094b1d07b653b7dfdc3f70ce9a1da9c51ac18c1b06b662e4f9a0e9f4b2"
+dependencies = [
+ "base64 0.21.2",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
 
-[[package]]
-name = "safemem"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef703b7cb59335eae2eb93ceb664c0eb7ea6bf567079d843e09420219668e072"
-
 [[package]]
 name = "schannel"
 version = "0.1.20"
@@ -2275,19 +2268,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "sha-1"
-version = "0.9.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99cd6713db3cf16b6c84e06321e049a9b9f699826e16096d23bbcc44d15d51a6"
-dependencies = [
- "block-buffer 0.9.0",
- "cfg-if 1.0.0",
- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug",
-]
-
 [[package]]
 name = "sha-1"
 version = "0.10.0"
@@ -2296,7 +2276,18 @@ checksum = "028f48d513f9678cda28f6e4064755b3fbb2af6acd672f2c209b62323f7aea0f"
 dependencies = [
  "cfg-if 1.0.0",
  "cpufeatures",
- "digest 0.10.3",
+ "digest 0.10.7",
+]
+
+[[package]]
+name = "sha1"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
+dependencies = [
+ "cfg-if 1.0.0",
+ "cpufeatures",
+ "digest 0.10.7",
 ]
 
 [[package]]
@@ -2397,6 +2388,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
 [[package]]
 name = "strsim"
 version = "0.8.0"
@@ -2706,13 +2703,12 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.15.0"
+version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "511de3f85caf1c98983545490c3d09685fa8eb634e57eec22bb4db271f46cbd8"
+checksum = "54319c93411147bced34cb5609a80e0a8e44c5999c93903a81cd866630ec0bfd"
 dependencies = [
  "futures-util",
  "log",
- "pin-project",
  "tokio 1.25.0",
  "tungstenite",
 ]
@@ -2776,7 +2772,7 @@ checksum = "796c5e1cd49905e65dd8e700d4cb1dffcbfdb4fc9d017de08c1a537afd83627c"
 dependencies = [
  "async-stream",
  "async-trait",
- "base64",
+ "base64 0.13.0",
  "bytes 1.1.0",
  "futures-core",
  "futures-util",
@@ -2808,7 +2804,7 @@ checksum = "ff08f4649d10a70ffa3522ca559031285d8e421d727ac85c60825761818f5d0a"
 dependencies = [
  "async-stream",
  "async-trait",
- "base64",
+ "base64 0.13.0",
  "bytes 1.1.0",
  "futures-core",
  "futures-util",
@@ -2851,7 +2847,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99febc413f26cf855b3a309c5872edff5c31e0ffe9c2fce5681868761df36f69"
 dependencies = [
  "base32",
- "base64",
+ "base64 0.13.0",
  "derive_more",
  "ed25519-dalek",
  "hex",
@@ -2953,32 +2949,23 @@ checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "tungstenite"
-version = "0.14.0"
+version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0b2d8558abd2e276b0a8df5c05a2ec762609344191e5fd23e292c910e9165b5"
+checksum = "30ee6ab729cd4cf0fd55218530c4522ed30b7b6081752839b68fcec8d0960788"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "byteorder",
  "bytes 1.1.0",
  "http",
  "httparse",
  "log",
  "rand 0.8.5",
- "sha-1 0.9.8",
+ "sha1",
  "thiserror",
  "url",
  "utf-8",
 ]
 
-[[package]]
-name = "twoway"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59b11b2b5241ba34be09c3cc85a36e56e48f9888862e19cedf23336d35316ed1"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "typenum"
 version = "1.15.0"
@@ -3097,9 +3084,9 @@ dependencies = [
 
 [[package]]
 name = "warp"
-version = "0.3.2"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3cef4e1e9114a4b7f1ac799f16ce71c14de5778500c5450ec6b7b920c55b587e"
+checksum = "ba431ef570df1287f7f8b07e376491ad54f84d26ac473489427231e1718e1f69"
 dependencies = [
  "bytes 1.1.0",
  "futures-channel",
@@ -3110,9 +3097,10 @@ dependencies = [
  "log",
  "mime",
  "mime_guess",
- "multipart",
+ "multer",
  "percent-encoding",
  "pin-project",
+ "rustls-pemfile",
  "scoped-tls",
  "serde",
  "serde_json",
@@ -3120,7 +3108,7 @@ dependencies = [
  "tokio 1.25.0",
  "tokio-stream",
  "tokio-tungstenite",
- "tokio-util 0.6.9",
+ "tokio-util 0.7.0",
  "tower-service",
  "tracing",
 ]
@@ -3429,7 +3417,7 @@ version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ffc90836a84cb72e6934137b1504d0cae304ef5d83904beb0c8d773bbfe256ed"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "chrono",
  "data-encoding",
  "der-parser",
diff --git a/teos/Cargo.toml b/teos/Cargo.toml
index b062b46..f01ab5c 100644
--- a/teos/Cargo.toml
+++ b/teos/Cargo.toml
@@ -30,7 +30,7 @@ toml = "0.5"
 tonic = { version = "0.6", features = [ "tls", "transport" ] }
 tokio = { version = "1.5", features = [ "rt-multi-thread" ] }
 triggered = "0.1.2"
-warp = "0.3.2"
+warp = "0.3.5"
 torut = "0.2.1"
 
 # Bitcoin and Lightning
diff --git a/teos/src/gatekeeper.rs b/teos/src/gatekeeper.rs
index d306453..3106991 100644
--- a/teos/src/gatekeeper.rs
+++ b/teos/src/gatekeeper.rs
@@ -388,7 +388,7 @@ mod tests {
         ) {
             self.add_update_user(user_id).unwrap();
             let mut registered_users = self.registered_users.lock().unwrap();
-            let mut user = registered_users.get_mut(&user_id).unwrap();
+            let user = registered_users.get_mut(&user_id).unwrap();
             user.subscription_expiry = outdates_at - self.expiry_delta;
             if let Some(uuids) = appointments {
                 for uuid in uuids.iter() {