diff --git a/Cargo.lock b/Cargo.lock
index b7e525b78..4b953af02 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6044,7 +6044,7 @@ checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220"
 [[package]]
 name = "petri-attractor-steps"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "async-trait",
  "globset",
@@ -6075,7 +6075,7 @@ dependencies = [
 [[package]]
 name = "petri-driver"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "async-trait",
  "getrandom 0.3.4",
@@ -6095,7 +6095,7 @@ dependencies = [
 [[package]]
 name = "petri-engine"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "petri-ir",
  "serde",
@@ -6107,7 +6107,7 @@ dependencies = [
 [[package]]
 name = "petri-execution"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "async-trait",
  "petri-driver",
@@ -6131,7 +6131,7 @@ dependencies = [
 [[package]]
 name = "petri-executor"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "async-trait",
  "libc",
@@ -6146,7 +6146,7 @@ dependencies = [
 [[package]]
 name = "petri-executor-sandbox"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "async-trait",
  "petri-executor",
@@ -6168,7 +6168,7 @@ dependencies = [
 [[package]]
 name = "petri-frontend"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "marked-yaml",
  "petri-ir",
@@ -6182,7 +6182,7 @@ dependencies = [
 [[package]]
 name = "petri-frontend-attractor"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "minijinja",
  "petri-frontend",
@@ -6199,7 +6199,7 @@ dependencies = [
 [[package]]
 name = "petri-frontend-fabro"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "petri-frontend",
  "petri-frontend-attractor",
@@ -6215,7 +6215,7 @@ dependencies = [
 [[package]]
 name = "petri-frontend-native"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "petri-frontend",
  "petri-ir",
@@ -6226,7 +6226,7 @@ dependencies = [
 [[package]]
 name = "petri-ir"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "regex",
  "serde",
@@ -6239,7 +6239,7 @@ dependencies = [
 [[package]]
 name = "petri-runtime"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "async-trait",
  "petri-driver",
@@ -6260,7 +6260,7 @@ dependencies = [
 [[package]]
 name = "petri-steps"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "async-trait",
  "petri-executor",
@@ -6276,7 +6276,7 @@ dependencies = [
 [[package]]
 name = "petri-store"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "async-trait",
  "getrandom 0.3.4",
@@ -6291,7 +6291,7 @@ dependencies = [
 [[package]]
 name = "petri-testkit"
 version = "0.1.0"
-source = "git+https://github.com/lithoscomputer/petri.git?rev=83345a8cba9b1352666f615c555860ba03a26499#83345a8cba9b1352666f615c555860ba03a26499"
+source = "git+https://github.com/lithoscomputer/petri.git?rev=4d4bdd694aa573514968f8e8321123146d2d2458#4d4bdd694aa573514968f8e8321123146d2d2458"
 dependencies = [
  "async-trait",
  "petri-driver",
diff --git a/Cargo.toml b/Cargo.toml
index aa14ca5e1..1f785630d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -132,13 +132,13 @@ pebble-cli-core = { git = "https://github.com/lithoscomputer/pebble", rev = "a39
 # lithos-llm and sandbox-driver revisions as this file, so the workspace links
 # one copy of each. Only `fabro-petri` may depend on these packages; the keys
 # carry the `petri_` prefix so the crate names say where they come from.
-petri_runtime = { git = "https://github.com/lithoscomputer/petri.git", rev = "83345a8cba9b1352666f615c555860ba03a26499", package = "petri-runtime" }
-petri_execution = { git = "https://github.com/lithoscomputer/petri.git", rev = "83345a8cba9b1352666f615c555860ba03a26499", package = "petri-execution" }
-petri_store = { git = "https://github.com/lithoscomputer/petri.git", rev = "83345a8cba9b1352666f615c555860ba03a26499", package = "petri-store" }
-petri_attractor_steps = { git = "https://github.com/lithoscomputer/petri.git", rev = "83345a8cba9b1352666f615c555860ba03a26499", package = "petri-attractor-steps" }
-petri_frontend_attractor = { git = "https://github.com/lithoscomputer/petri.git", rev = "83345a8cba9b1352666f615c555860ba03a26499", package = "petri-frontend-attractor" }
-petri_frontend_fabro = { git = "https://github.com/lithoscomputer/petri.git", rev = "83345a8cba9b1352666f615c555860ba03a26499", package = "petri-frontend-fabro" }
-petri_testkit = { git = "https://github.com/lithoscomputer/petri.git", rev = "83345a8cba9b1352666f615c555860ba03a26499", package = "petri-testkit" }
+petri_runtime = { git = "https://github.com/lithoscomputer/petri.git", rev = "4d4bdd694aa573514968f8e8321123146d2d2458", package = "petri-runtime" }
+petri_execution = { git = "https://github.com/lithoscomputer/petri.git", rev = "4d4bdd694aa573514968f8e8321123146d2d2458", package = "petri-execution" }
+petri_store = { git = "https://github.com/lithoscomputer/petri.git", rev = "4d4bdd694aa573514968f8e8321123146d2d2458", package = "petri-store" }
+petri_attractor_steps = { git = "https://github.com/lithoscomputer/petri.git", rev = "4d4bdd694aa573514968f8e8321123146d2d2458", package = "petri-attractor-steps" }
+petri_frontend_attractor = { git = "https://github.com/lithoscomputer/petri.git", rev = "4d4bdd694aa573514968f8e8321123146d2d2458", package = "petri-frontend-attractor" }
+petri_frontend_fabro = { git = "https://github.com/lithoscomputer/petri.git", rev = "4d4bdd694aa573514968f8e8321123146d2d2458", package = "petri-frontend-fabro" }
+petri_testkit = { git = "https://github.com/lithoscomputer/petri.git", rev = "4d4bdd694aa573514968f8e8321123146d2d2458", package = "petri-testkit" }
 sentry = { version = "0.35", default-features = false, features = ["backtrace", "contexts", "ureq", "rustls"] }
 fork = "0.2"
 exec = "0.3"