diff --git a/Cargo.lock b/Cargo.lock
index cfd029f..9e85f17 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -66,6 +66,12 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -363,7 +369,7 @@ dependencies = [
  "http",
  "hyper",
  "ring 0.16.20",
- "time 0.3.21",
+ "time",
  "tokio",
  "tower",
  "tracing",
@@ -533,7 +539,7 @@ dependencies = [
  "percent-encoding",
  "regex",
  "sha2",
- "time 0.3.21",
+ "time",
  "tracing",
 ]
 
@@ -673,7 +679,7 @@ dependencies = [
  "itoa",
  "num-integer",
  "ryu",
- "time 0.3.21",
+ "time",
 ]
 
 [[package]]
@@ -975,18 +981,17 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.24"
+version = "0.4.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e3c5919066adf22df73762e50cffcde3a758f2a848b113b586d1f86728b673b"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
 dependencies = [
+ "android-tzdata",
  "iana-time-zone",
  "js-sys",
- "num-integer",
  "num-traits",
  "serde",
- "time 0.1.45",
  "wasm-bindgen",
- "winapi",
+ "windows-targets 0.48.0",
 ]
 
 [[package]]
@@ -1684,7 +1689,7 @@ checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -2258,7 +2263,7 @@ checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
 dependencies = [
  "libc",
  "log",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
  "windows-sys 0.45.0",
 ]
 
@@ -3065,7 +3070,7 @@ dependencies = [
  "serde_json",
  "sqlx",
  "thiserror",
- "time 0.3.21",
+ "time",
  "tracing",
  "url",
  "uuid",
@@ -3128,7 +3133,7 @@ dependencies = [
  "rust_decimal",
  "sea-query-derive",
  "serde_json",
- "time 0.3.21",
+ "time",
  "uuid",
 ]
 
@@ -3144,7 +3149,7 @@ dependencies = [
  "sea-query",
  "serde_json",
  "sqlx",
- "time 0.3.21",
+ "time",
  "uuid",
 ]
 
@@ -3315,7 +3320,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_with_macros",
- "time 0.3.21",
+ "time",
 ]
 
 [[package]]
@@ -3424,7 +3429,7 @@ dependencies = [
  "num-bigint",
  "num-traits",
  "thiserror",
- "time 0.3.21",
+ "time",
 ]
 
 [[package]]
@@ -3551,7 +3556,7 @@ dependencies = [
  "sqlx-rt",
  "stringprep",
  "thiserror",
- "time 0.3.21",
+ "time",
  "tokio-stream",
  "url",
  "uuid",
@@ -3703,17 +3708,6 @@ dependencies = [
  "once_cell",
 ]
 
-[[package]]
-name = "time"
-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
-dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi",
-]
-
 [[package]]
 name = "time"
 version = "0.3.21"
@@ -4215,12 +4209,6 @@ dependencies = [
  "try-lock",
 ]
 
-[[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
diff --git a/token/Cargo.toml b/token/Cargo.toml
index f549dd2..38fb5e1 100644
--- a/token/Cargo.toml
+++ b/token/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 attic = { path = "../attic", default-features = false }
 
 base64 = "0.21.2"
-chrono = "0.4.24"
+chrono = "0.4.31"
 displaydoc = "0.2.4"
 jsonwebtoken = { version = "9.1.0", features = ["use_pem"] }
 lazy_static = "1.4.0"
diff --git a/token/src/lib.rs b/token/src/lib.rs
index 42e1267..8081c99 100644
--- a/token/src/lib.rs
+++ b/token/src/lib.rs
@@ -319,10 +319,12 @@ impl Token {
             attic_ns: Default::default(),
         };
 
+        let now_epoch = Utc::now().signed_duration_since(DateTime::UNIX_EPOCH);
+
         Self(JWTClaims {
             issued_at: None,
             expires_at: Some(exp.timestamp()),
-            invalid_before: None,
+            invalid_before: Some(now_epoch.num_seconds()),
             issuer: None,
             subject: Some(sub),
             audiences: None,