diff --git a/Cargo.lock b/Cargo.lock
index 9c90ee89ad..03a44083c8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9437,9 +9437,9 @@ dependencies = [
 
 [[package]]
 name = "tai64"
-version = "4.1.0"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "014639506e4f425c78e823eabf56e71c093f940ae55b43e58f682e7bc2f5887a"
+checksum = "ed7401421025f4132e6c1f7af5e7f8287383969f36e6628016cd509b8d3da9dc"
 dependencies = [
  "serde",
 ]
diff --git a/crates/client/Cargo.toml b/crates/client/Cargo.toml
index a6bb5c1e3d..59432ea799 100644
--- a/crates/client/Cargo.toml
+++ b/crates/client/Cargo.toml
@@ -30,7 +30,8 @@ reqwest = { version = "0.11.16", default-features = false, features = [
 ] }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { version = "1.0", features = ["raw_value"] }
-tai64 = { version = "4.0", features = ["serde"] }
+# We force the version because 4.1.0 update leap seconds that breaks our timestamps
+tai64 = { version = "=4.0.0", features = ["serde"] }
 thiserror = "1.0"
 tracing = "0.1"
 
diff --git a/crates/types/Cargo.toml b/crates/types/Cargo.toml
index 505975b8eb..18da592047 100644
--- a/crates/types/Cargo.toml
+++ b/crates/types/Cargo.toml
@@ -29,7 +29,8 @@ k256 = { version = "0.13", default-features = false, features = ["ecdsa"] }
 rand = { workspace = true, optional = true }
 secrecy = "0.8"
 serde = { workspace = true, features = ["derive"], optional = true }
-tai64 = { version = "4.0", features = ["serde"] }
+# We force the version because 4.1.0 update leap seconds that breaks our timestamps
+tai64 = { version = "=4.0.0", features = ["serde"] }
 zeroize = "1.5"
 
 [dev-dependencies]