diff --git a/crate_universe/3rdparty/crates/BUILD.bazel b/crate_universe/3rdparty/crates/BUILD.bazel
index bddceab261..ae999a9d52 100644
--- a/crate_universe/3rdparty/crates/BUILD.bazel
+++ b/crate_universe/3rdparty/crates/BUILD.bazel
@@ -63,7 +63,7 @@ alias(
 
 alias(
     name = "cargo_toml",
-    actual = "@cui__cargo_toml-0.17.1//:cargo_toml",
+    actual = "@cui__cargo_toml-0.19.2//:cargo_toml",
     tags = ["manual"],
 )
 
diff --git a/crate_universe/3rdparty/crates/BUILD.cargo_toml-0.17.1.bazel b/crate_universe/3rdparty/crates/BUILD.cargo_toml-0.19.2.bazel
similarity index 99%
rename from crate_universe/3rdparty/crates/BUILD.cargo_toml-0.17.1.bazel
rename to crate_universe/3rdparty/crates/BUILD.cargo_toml-0.19.2.bazel
index 5f7e82496a..96edafd142 100644
--- a/crate_universe/3rdparty/crates/BUILD.cargo_toml-0.17.1.bazel
+++ b/crate_universe/3rdparty/crates/BUILD.cargo_toml-0.19.2.bazel
@@ -77,7 +77,7 @@ rust_library(
         "@rules_rust//rust/platform:x86_64-unknown-none": [],
         "//conditions:default": ["@platforms//:incompatible"],
     }),
-    version = "0.17.1",
+    version = "0.19.2",
     deps = [
         "@cui__serde-1.0.190//:serde",
         "@cui__toml-0.8.10//:toml",
diff --git a/crate_universe/3rdparty/crates/defs.bzl b/crate_universe/3rdparty/crates/defs.bzl
index 83fa4c9930..225e3b8aca 100644
--- a/crate_universe/3rdparty/crates/defs.bzl
+++ b/crate_universe/3rdparty/crates/defs.bzl
@@ -300,7 +300,7 @@ _NORMAL_DEPENDENCIES = {
             "cargo-lock": Label("@cui__cargo-lock-9.0.0//:cargo_lock"),
             "cargo-platform": Label("@cui__cargo-platform-0.1.4//:cargo_platform"),
             "cargo_metadata": Label("@cui__cargo_metadata-0.18.1//:cargo_metadata"),
-            "cargo_toml": Label("@cui__cargo_toml-0.17.1//:cargo_toml"),
+            "cargo_toml": Label("@cui__cargo_toml-0.19.2//:cargo_toml"),
             "cfg-expr": Label("@cui__cfg-expr-0.15.5//:cfg_expr"),
             "clap": Label("@cui__clap-4.3.11//:clap"),
             "crates-index": Label("@cui__crates-index-2.2.0//:crates_index"),
@@ -781,12 +781,12 @@ def crate_repositories():
 
     maybe(
         http_archive,
-        name = "cui__cargo_toml-0.17.1",
-        sha256 = "4d1ece59890e746567b467253aea0adbe8a21784d0b025d8a306f66c391c2957",
+        name = "cui__cargo_toml-0.19.2",
+        sha256 = "a98356df42a2eb1bd8f1793ae4ee4de48e384dd974ce5eac8eee802edb7492be",
         type = "tar.gz",
-        urls = ["https://crates.io/api/v1/crates/cargo_toml/0.17.1/download"],
-        strip_prefix = "cargo_toml-0.17.1",
-        build_file = Label("@rules_rust//crate_universe/3rdparty/crates:BUILD.cargo_toml-0.17.1.bazel"),
+        urls = ["https://crates.io/api/v1/crates/cargo_toml/0.19.2/download"],
+        strip_prefix = "cargo_toml-0.19.2",
+        build_file = Label("@rules_rust//crate_universe/3rdparty/crates:BUILD.cargo_toml-0.19.2.bazel"),
     )
 
     maybe(
@@ -3355,7 +3355,7 @@ def crate_repositories():
         struct(repo = "cui__cargo-lock-9.0.0", is_dev_dep = False),
         struct(repo = "cui__cargo-platform-0.1.4", is_dev_dep = False),
         struct(repo = "cui__cargo_metadata-0.18.1", is_dev_dep = False),
-        struct(repo = "cui__cargo_toml-0.17.1", is_dev_dep = False),
+        struct(repo = "cui__cargo_toml-0.19.2", is_dev_dep = False),
         struct(repo = "cui__cfg-expr-0.15.5", is_dev_dep = False),
         struct(repo = "cui__clap-4.3.11", is_dev_dep = False),
         struct(repo = "cui__crates-index-2.2.0", is_dev_dep = False),
diff --git a/crate_universe/Cargo.lock b/crate_universe/Cargo.lock
index 41e2b5fca3..6c0bbf3219 100644
--- a/crate_universe/Cargo.lock
+++ b/crate_universe/Cargo.lock
@@ -169,7 +169,7 @@ dependencies = [
 
 [[package]]
 name = "cargo-bazel"
-version = "0.11.0"
+version = "0.12.0"
 dependencies = [
  "anyhow",
  "camino",
@@ -239,9 +239,9 @@ dependencies = [
 
 [[package]]
 name = "cargo_toml"
-version = "0.17.1"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d1ece59890e746567b467253aea0adbe8a21784d0b025d8a306f66c391c2957"
+checksum = "a98356df42a2eb1bd8f1793ae4ee4de48e384dd974ce5eac8eee802edb7492be"
 dependencies = [
  "serde",
  "toml 0.8.10",
diff --git a/crate_universe/Cargo.toml b/crate_universe/Cargo.toml
index 2c71ef7fd2..f15e23f635 100644
--- a/crate_universe/Cargo.toml
+++ b/crate_universe/Cargo.toml
@@ -7,7 +7,7 @@ exclude = ["test_data"]
 
 [package]
 name = "cargo-bazel"
-version = "0.11.0"
+version = "0.12.0"
 authors = [
     "Andre Brisco - andre.brisco@protonmail.com",
 ]
@@ -28,7 +28,7 @@ default = ["cargo"]
 anyhow = "1.0.75"
 camino = "1.1.6"
 cargo_metadata = "0.18.1"
-cargo_toml = "0.17.1"
+cargo_toml = "0.19.2"
 cargo-lock = "9.0.0"
 cargo-platform = "0.1.4"
 cfg-expr = "0.15.5"
diff --git a/crate_universe/src/splicing/splicer.rs b/crate_universe/src/splicing/splicer.rs
index 4093ab6ffb..5e93171e88 100644
--- a/crate_universe/src/splicing/splicer.rs
+++ b/crate_universe/src/splicing/splicer.rs
@@ -478,7 +478,7 @@ impl<'a> SplicerKind<'a> {
         for (name, details) in direct_packages_manifest.iter() {
             manifest.dependencies.insert(
                 name.clone(),
-                cargo_toml::Dependency::Detailed(details.clone()),
+                cargo_toml::Dependency::Detailed(Box::new(details.clone())),
             );
         }
 
diff --git a/crate_universe/version.bzl b/crate_universe/version.bzl
index a70cad9e7c..672ca43328 100644
--- a/crate_universe/version.bzl
+++ b/crate_universe/version.bzl
@@ -1,3 +1,3 @@
 """ Version info for the `cargo-bazel` repository """
 
-VERSION = "0.11.0"
+VERSION = "0.12.0"