diff --git a/Cargo.lock b/Cargo.lock
index 07f76e8ecd4..e2a42023b9c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3119,9 +3119,9 @@ dependencies = [
 
 [[package]]
 name = "serde_spanned"
-version = "0.6.5"
+version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb3622f419d1296904700073ea6cc23ad690adbd66f13ea683df73298736f0c1"
+checksum = "79e674e01f999af37c49f70a6ede167a8a60b2503e56c5599532a65baa5969a0"
 dependencies = [
  "serde",
 ]
@@ -3444,9 +3444,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "toml"
-version = "0.8.12"
+version = "0.8.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9dd1545e8208b4a5af1aa9bbd0b4cf7e9ea08fabc5d0a5c67fcaafa17433aa3"
+checksum = "6f49eb2ab21d2f26bd6db7bf383edc527a7ebaee412d17af4d40fdccd442f335"
 dependencies = [
  "serde",
  "serde_spanned",
@@ -3456,18 +3456,18 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.5"
+version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
+checksum = "4badfd56924ae69bcc9039335b2e017639ce3f9b001c393c1b2d1ef846ce2cbf"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "toml_edit"
-version = "0.22.12"
+version = "0.22.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3328d4f68a705b2a4498da1d580585d39a6510f98318a2cec3018a7ec61ddef"
+checksum = "f21c7aaf97f1bd9ca9d4f9e73b0a6c74bd5afef56f2bc931943a6e1c37e04e38"
 dependencies = [
  "indexmap",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index b88e0b3fd9f..ae1f13a62ab 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -96,8 +96,8 @@ tar = { version = "0.4.40", default-features = false }
 tempfile = "3.10.1"
 thiserror = "1.0.59"
 time = { version = "0.3.36", features = ["parsing", "formatting", "serde"] }
-toml = "0.8.12"
-toml_edit = { version = "0.22.12", features = ["serde"] }
+toml = "0.8.14"
+toml_edit = { version = "0.22.14", features = ["serde"] }
 tracing = "0.1.40" # be compatible with rustc_log: https://github.com/rust-lang/rust/blob/e51e98dde6a/compiler/rustc_log/Cargo.toml#L9
 tracing-chrome = "0.7.2"
 tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
diff --git a/tests/testsuite/bad_config.rs b/tests/testsuite/bad_config.rs
index 3ed3cce127e..15b718d4fae 100644
--- a/tests/testsuite/bad_config.rs
+++ b/tests/testsuite/bad_config.rs
@@ -2922,16 +2922,16 @@ fn bad_target_cfg() {
         .with_stderr(
             "\
 [ERROR] error in [..]/foo/.cargo/config.toml: \
-could not load config key `target.\"cfg(not(target_os = \\\"none\\\"))\".runner`
+could not load config key `target.'cfg(not(target_os = \"none\"))'.runner`
 
 Caused by:
   error in [..]/foo/.cargo/config.toml: \
-  could not load config key `target.\"cfg(not(target_os = \\\"none\\\"))\".runner`
+  could not load config key `target.'cfg(not(target_os = \"none\"))'.runner`
 
 Caused by:
-  invalid configuration for key `target.\"cfg(not(target_os = \\\"none\\\"))\".runner`
+  invalid configuration for key `target.'cfg(not(target_os = \"none\"))'.runner`
   expected a string or array of strings, but found a boolean for \
-  `target.\"cfg(not(target_os = \\\"none\\\"))\".runner` in [..]/foo/.cargo/config.toml
+  `target.'cfg(not(target_os = \"none\"))'.runner` in [..]/foo/.cargo/config.toml
 ",
         )
         .run();
diff --git a/tests/testsuite/cargo_add/target_cfg/mod.rs b/tests/testsuite/cargo_add/target_cfg/mod.rs
index 762816b033a..90acfc246e4 100644
--- a/tests/testsuite/cargo_add/target_cfg/mod.rs
+++ b/tests/testsuite/cargo_add/target_cfg/mod.rs
@@ -28,7 +28,7 @@ fn case() {
 
     snapbox::cmd::Command::cargo_ui()
         .arg("add")
-        .arg_line("my-package1 my-package2 --target cfg(unix)")
+        .arg_line("my-package1 my-package2 --target 'cfg(target_os=\"linux\")'")
         .current_dir(cwd)
         .assert()
         .success()
diff --git a/tests/testsuite/cargo_add/target_cfg/out/Cargo.toml b/tests/testsuite/cargo_add/target_cfg/out/Cargo.toml
index 7779fcabdfa..3977ca84fbd 100644
--- a/tests/testsuite/cargo_add/target_cfg/out/Cargo.toml
+++ b/tests/testsuite/cargo_add/target_cfg/out/Cargo.toml
@@ -5,6 +5,6 @@ name = "cargo-list-test-fixture"
 version = "0.0.0"
 edition = "2015"
 
-[target."cfg(unix)".dependencies]
+[target.'cfg(target_os="linux")'.dependencies]
 my-package1 = "99999.0.0"
 my-package2 = "99999.0.0"
diff --git a/tests/testsuite/cargo_add/target_cfg/stderr.term.svg b/tests/testsuite/cargo_add/target_cfg/stderr.term.svg
index 5a05eb01b5a..491ed799125 100644
--- a/tests/testsuite/cargo_add/target_cfg/stderr.term.svg
+++ b/tests/testsuite/cargo_add/target_cfg/stderr.term.svg
@@ -1,4 +1,4 @@
-<svg width="740px" height="110px" xmlns="http://www.w3.org/2000/svg">
+<svg width="751px" height="110px" xmlns="http://www.w3.org/2000/svg">
   <style>
     .fg { fill: #AAAAAA }
     .bg { background: #000000 }
@@ -20,9 +20,9 @@
   <text xml:space="preserve" class="container fg">
     <tspan x="10px" y="28px"><tspan class="fg-green bold">    Updating</tspan><tspan> `dummy-registry` index</tspan>
 </tspan>
-    <tspan x="10px" y="46px"><tspan class="fg-green bold">      Adding</tspan><tspan> my-package1 v99999.0.0 to dependencies for target `cfg(unix)`</tspan>
+    <tspan x="10px" y="46px"><tspan class="fg-green bold">      Adding</tspan><tspan> my-package1 v99999.0.0 to dependencies for target `cfg(target_os="linux")`</tspan>
 </tspan>
-    <tspan x="10px" y="64px"><tspan class="fg-green bold">      Adding</tspan><tspan> my-package2 v99999.0.0 to dependencies for target `cfg(unix)`</tspan>
+    <tspan x="10px" y="64px"><tspan class="fg-green bold">      Adding</tspan><tspan> my-package2 v99999.0.0 to dependencies for target `cfg(target_os="linux")`</tspan>
 </tspan>
     <tspan x="10px" y="82px"><tspan class="fg-green bold">     Locking</tspan><tspan> 3 packages to latest compatible versions</tspan>
 </tspan>
diff --git a/tests/testsuite/cargo_config/mod.rs b/tests/testsuite/cargo_config/mod.rs
index c1769fb536a..e4ce992c36c 100644
--- a/tests/testsuite/cargo_config/mod.rs
+++ b/tests/testsuite/cargo_config/mod.rs
@@ -88,7 +88,7 @@ build.rustflags = [\"--flag-global\", \"--flag-directory\"]
 extra-table.somekey = \"somevalue\"
 profile.dev.opt-level = 3
 profile.dev.package.foo.opt-level = 1
-target.\"cfg(target_os = \\\"linux\\\")\".runner = \"runme\"
+target.'cfg(target_os = \"linux\")'.runner = \"runme\"
 # The following environment variables may affect the loaded values.
 # CARGO_ALIAS_BAR=[..]cat dog[..]
 # CARGO_BUILD_JOBS=100
@@ -265,7 +265,7 @@ build.rustflags = [
 extra-table.somekey = \"somevalue\" # [ROOT]/home/.cargo/config.toml
 profile.dev.opt-level = 3 # [ROOT]/home/.cargo/config.toml
 profile.dev.package.foo.opt-level = 1 # [ROOT]/home/.cargo/config.toml
-target.\"cfg(target_os = \\\"linux\\\")\".runner = \"runme\" # [ROOT]/home/.cargo/config.toml
+target.'cfg(target_os = \"linux\")'.runner = \"runme\" # [ROOT]/home/.cargo/config.toml
 # The following environment variables may affect the loaded values.
 # CARGO_HOME=[ROOT]/home/.cargo
 ",
@@ -361,7 +361,7 @@ build.rustflags = [\"--flag-global\"]
 extra-table.somekey = \"somevalue\"
 profile.dev.opt-level = 3
 profile.dev.package.foo.opt-level = 1
-target.\"cfg(target_os = \\\"linux\\\")\".runner = \"runme\"
+target.'cfg(target_os = \"linux\")'.runner = \"runme\"
 
 ",
         )
@@ -513,7 +513,7 @@ build.rustflags = [\"--flag-global\"]
 extra-table.somekey = \"somevalue\"
 profile.dev.opt-level = 3
 profile.dev.package.foo.opt-level = 1
-target.\"cfg(target_os = \\\"linux\\\")\".runner = \"runme\"
+target.'cfg(target_os = \"linux\")'.runner = \"runme\"
 
 ",
         )