diff --git a/.buckconfig.antlir b/.buckconfig.antlir
index 8714888a01..397ab54dc7 100644
--- a/.buckconfig.antlir
+++ b/.buckconfig.antlir
@@ -7,5 +7,5 @@
 
 [external_cell_antlir]
     git_origin = https://github.com/facebookincubator/antlir
-    commit_hash = fc04e955bb8078c0d618f4482731fe1f2f818434
+    commit_hash = 1cbbe054be415a765bdbbf1f166bd4abc05b10b3
 
diff --git a/third-party/rust/BUCK b/third-party/rust/BUCK
index f469936115..e5d3d6129c 100644
--- a/third-party/rust/BUCK
+++ b/third-party/rust/BUCK
@@ -7,14 +7,14 @@ load(":defs.bzl", "third_party_rust_cxx_library")
 git_fetch(
     name = "fbthrift-d83134f25cdb7b98.git",
     repo = "https://github.com/facebook/fbthrift.git",
-    rev = "c6c5564e281668105d0a2dbd99616b8aac615487",
+    rev = "18d61d4cf0a319cb819506f0e9582ddf28623e5d",
     visibility = [],
 )
 
 git_fetch(
     name = "starlark-rust-a9d911d33fd77ff2.git",
     repo = "https://github.com/facebook/starlark-rust.git",
-    rev = "0ea922835cc82411d3afa179e28dd7655c85c6c6",
+    rev = "dd0e519a3e142d9fb4e8612183f591fbf3239e27",
     visibility = [],
 )
 
@@ -1240,20 +1240,21 @@ cargo.rust_library(
 )
 
 http_archive(
-    name = "castaway-0.2.2.crate",
-    sha256 = "8a17ed5635fc8536268e5d4de1e22e81ac34419e5f052d4d51f4e01dcc263fcc",
-    strip_prefix = "castaway-0.2.2",
-    urls = ["https://static.crates.io/crates/castaway/0.2.2/download"],
+    name = "castaway-0.2.3.crate",
+    sha256 = "0abae9be0aaf9ea96a3b1b8b1b55c602ca751eba1b1500220cea4ecbafe7c0d5",
+    strip_prefix = "castaway-0.2.3",
+    urls = ["https://static.crates.io/crates/castaway/0.2.3/download"],
     visibility = [],
 )
 
 cargo.rust_library(
-    name = "castaway-0.2.2",
-    srcs = [":castaway-0.2.2.crate"],
+    name = "castaway-0.2.3",
+    srcs = [":castaway-0.2.3.crate"],
     crate = "castaway",
-    crate_root = "castaway-0.2.2.crate/src/lib.rs",
+    crate_root = "castaway-0.2.3.crate/src/lib.rs",
     edition = "2018",
     features = [
+        "alloc",
         "default",
         "std",
     ],
@@ -2087,7 +2088,7 @@ cargo.rust_library(
     edition = "2021",
     visibility = [],
     deps = [
-        ":castaway-0.2.2",
+        ":castaway-0.2.3",
         ":itoa-1.0.11",
         ":ryu-1.0.18",
     ],