diff --git a/Cargo.lock b/Cargo.lock
index 3aa6771..0a25dbe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -366,9 +366,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.31"
+version = "0.4.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
+checksum = "5bc015644b92d5890fab7489e49d21f879d5c990186827d42ec511919404f38b"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
@@ -376,7 +376,7 @@ dependencies = [
  "num-traits",
  "serde",
  "wasm-bindgen",
- "windows-targets",
+ "windows-targets 0.52.0",
 ]
 
 [[package]]
@@ -1002,7 +1002,7 @@ dependencies = [
 
 [[package]]
 name = "identity"
-version = "0.1.7"
+version = "0.1.8"
 dependencies = [
  "anyhow",
  "argon2",
@@ -1433,7 +1433,7 @@ dependencies = [
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-targets",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -2809,7 +2809,7 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -2818,7 +2818,7 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -2827,13 +2827,28 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.0",
+ "windows_aarch64_msvc 0.52.0",
+ "windows_i686_gnu 0.52.0",
+ "windows_i686_msvc 0.52.0",
+ "windows_x86_64_gnu 0.52.0",
+ "windows_x86_64_gnullvm 0.52.0",
+ "windows_x86_64_msvc 0.52.0",
 ]
 
 [[package]]
@@ -2842,42 +2857,84 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
 [[package]]
 name = "winnow"
 version = "0.5.16"
diff --git a/Cargo.toml b/Cargo.toml
index 756400c..b496d57 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "identity"
-version = "0.1.7"
+version = "0.1.8"
 edition = "2021"
 
 [dependencies]
@@ -38,7 +38,7 @@ argon2 = "0.5"
 
 sqlx = { version = "0.7", features = ["runtime-tokio", "sqlite", "chrono"] }
 refinery = { version = "0.8", features = ["rusqlite"] }
-chrono = { version = "0.4", features = ["serde"] }
+chrono = { version = "0.4.34", features = ["serde"] }
 
 url = { version = "2.4", features = ["serde"] }
 
diff --git a/src/proxy.rs b/src/proxy.rs
index 4d25277..4392609 100644
--- a/src/proxy.rs
+++ b/src/proxy.rs
@@ -27,7 +27,6 @@ use cookie::Cookie;
 use hyper::{client::HttpConnector, Body};
 use hyper_tls::HttpsConnector;
 use log::{error, info, warn};
-use once_cell::sync::Lazy;
 use serde::{Deserialize, Serialize};
 
 pub async fn middleware(
@@ -56,8 +55,8 @@ pub async fn middleware(
 
 pub const PROXY_COOKIE_NAME: &str = "_identity.im";
 pub const PROXY_AUTHORIZE_ENDPOINT: &str = "/.identity/authorize";
-pub static PROXY_TOKEN_TTL: Lazy<Duration> = Lazy::new(|| Duration::hours(1));
-pub static PROXY_TOKEN_REFRESH_THRESHOLD: Lazy<Duration> = Lazy::new(|| Duration::minutes(15));
+pub const PROXY_TOKEN_TTL: Duration = Duration::hours(1);
+pub const PROXY_TOKEN_REFRESH_THRESHOLD: Duration = Duration::minutes(15);
 
 pub struct ProxyClient {
     config: UpstreamConfig,
@@ -130,7 +129,7 @@ impl ProxyClient {
             }
         };
 
-        let token_ttl = cfg.cookie_ttl.map_or(*PROXY_TOKEN_TTL, |v| v.into());
+        let token_ttl = cfg.cookie_ttl.map_or(PROXY_TOKEN_TTL, |v| v.into());
 
         Ok(Self {
             config: cfg.clone(),
@@ -186,7 +185,7 @@ impl ProxyClient {
         state: &AppState,
         claims: &Claims,
     ) -> anyhow::Result<Option<String>> {
-        let refresh_needed = claims.valid_for() < *PROXY_TOKEN_REFRESH_THRESHOLD;
+        let refresh_needed = claims.valid_for() < PROXY_TOKEN_REFRESH_THRESHOLD;
         if refresh_needed {
             let user_id = i32::from_str(claims.sub.as_str())?;
             let user = state