diff --git a/Cargo.lock b/Cargo.lock
index 5252731..8e8d366 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -247,11 +247,20 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "145052bdd345b87320e369255277e3fb5152762ad123a901ef5c262dd38fe8d2"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "code0-definition-reader"
-version = "0.0.12"
+version = "0.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c7b9d030a57501b5c6bcbd667c5241a69335421008b155b55145b4e66e9a325"
+checksum = "e3e3a3aec6ffc35ac360113d8b96206c38961afef56b0c5632cb77cd2f4429b9"
 dependencies = [
  "serde",
  "serde_json",
@@ -260,9 +269,9 @@ dependencies = [
 
 [[package]]
 name = "code0-flow"
-version = "0.0.17"
+version = "0.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "568d497f7aa8cd0cb4e633e8f6e97330b3bbb8b49fcb7c2bdca703a4a9c870e8"
+checksum = "f90356cc27d5de4c9870a29163e50e6be77ebeb408220f8057d7d8ed57f2a0fb"
 dependencies = [
  "async-nats",
  "async-trait",
@@ -1032,6 +1041,15 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
 
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.21.3"
@@ -1050,6 +1068,43 @@ version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f38d5652c16fde515bb1ecef450ab0f6a219d619a7274976324d5e377f7dceba"
 
+[[package]]
+name = "pbjson"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "898bac3fa00d0ba57a4e8289837e965baa2dee8c3749f3b11d45a64b4223d9c3"
+dependencies = [
+ "base64",
+ "serde",
+]
+
+[[package]]
+name = "pbjson-build"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af22d08a625a2213a78dbb0ffa253318c5c79ce3133d32d296655a7bdfb02095"
+dependencies = [
+ "heck",
+ "itertools",
+ "prost",
+ "prost-types",
+]
+
+[[package]]
+name = "pbjson-types"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e748e28374f10a330ee3bb9f29b828c0ac79831a32bab65015ad9b661ead526"
+dependencies = [
+ "bytes",
+ "chrono",
+ "pbjson",
+ "pbjson-build",
+ "prost",
+ "prost-build",
+ "serde",
+]
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -1993,15 +2048,20 @@ dependencies = [
 
 [[package]]
 name = "tucana"
-version = "0.0.36"
+version = "0.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0addd0c58b8b458ba668404246c428d4c71382f5a83d29ac69649f5c575bdfc4"
+checksum = "4e6300e0f85e9352904cace7b285366a10995dbf690c6ed8fa022cd57fa8607b"
 dependencies = [
+ "pbjson",
+ "pbjson-build",
+ "pbjson-types",
  "prost",
+ "prost-build",
  "prost-types",
  "serde",
  "serde_json",
  "tonic",
+ "tonic-build",
  "tonic-prost",
  "tonic-prost-build",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 613e398..622a623 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,8 +7,8 @@ version = "0.0.0"
 edition = "2024"
 
 [workspace.dependencies]
-code0-flow = { version = "0.0.17" }
-tucana = { version = "0.0.36", features = ["aquila"] }
+code0-flow = { version = "0.0.18" }
+tucana = { version = "0.0.39", features = ["aquila"] }
 serde_json = { version = "1.0.138" }
 log = "0.4.27"
 env_logger = "0.11.8"