13 files changed, 21 insertions, 21 deletions
diff --git a/src/librustdoc/Cargo.toml b/src/librustdoc/Cargo.toml
index 02a3a4e0de4..2985971a053 100644
--- a/src/librustdoc/Cargo.toml
+++ b/src/librustdoc/Cargo.toml
@@ -12,17 +12,17 @@ path = "lib.rs"
 arrayvec = { version = "0.7", default-features = false }
 askama = { version = "0.14", default-features = false, features = ["alloc", "config", "derive"] }
 base64 = "0.21.7"
-indexmap = "2"
+indexmap.workspace = true
 itertools.workspace = true
 minifier = { version = "0.3.5", default-features = false }
 pulldown-cmark-escape = { version = "0.11.0", features = ["simd"] }
 regex = "1"
 rustdoc-json-types = { path = "../rustdoc-json-types" }
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
+serde_json.workspace = true
 smallvec = "1.8.1"
 stringdex = { version = "0.0.1-alpha4" }
-tempfile = "3"
+tempfile.workspace = true
 threadpool = "1.8.1"
 tracing-tree = "0.3.0"
 tracing.workspace = true
diff --git a/src/tools/build-manifest/Cargo.toml b/src/tools/build-manifest/Cargo.toml
index efa99f181b3..05d5f21c12c 100644
--- a/src/tools/build-manifest/Cargo.toml
+++ b/src/tools/build-manifest/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 toml = "0.7"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
+serde_json.workspace = true
 anyhow = "1.0.32"
 flate2 = "1.0.26"
 xz2 = "0.1.7"
diff --git a/src/tools/collect-license-metadata/Cargo.toml b/src/tools/collect-license-metadata/Cargo.toml
index edf9e5c5393..7f2e57ced05 100644
--- a/src/tools/collect-license-metadata/Cargo.toml
+++ b/src/tools/collect-license-metadata/Cargo.toml
@@ -8,5 +8,5 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 anyhow = "1.0.65"
 serde = { version = "1.0.147", features = ["derive"] }
-serde_json = "1.0.85"
+serde_json.workspace = true
 spdx-rs = "0.5.1"
diff --git a/src/tools/compiletest/Cargo.toml b/src/tools/compiletest/Cargo.toml
index 220c29cec49..fb71275b03c 100644
--- a/src/tools/compiletest/Cargo.toml
+++ b/src/tools/compiletest/Cargo.toml
@@ -20,14 +20,14 @@ diff = "0.1.10"
 getopts = "0.2"
 glob = "0.3.0"
 home = "0.5.5"
-indexmap = "2.0.0"
+indexmap.workspace = true
 miropt-test-tools = { path = "../miropt-test-tools" }
 rayon = "1.10.0"
 regex = "1.0"
 rustfix = "0.8.1"
 semver = { version = "1.0.23", features = ["serde"] }
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
+serde_json.workspace = true
 tracing-subscriber = { version = "0.3.3", default-features = false, features = ["ansi", "env-filter", "fmt", "parking_lot", "smallvec"] }
 tracing.workspace = true
 unified-diff = "0.2.1"
@@ -35,7 +35,7 @@ walkdir = "2"
 # tidy-alphabetical-end
 
 [target.'cfg(unix)'.dependencies]
-libc = "0.2"
+libc.workspace = true
 
 [target.'cfg(windows)'.dependencies]
 miow = "0.6"
diff --git a/src/tools/coverage-dump/Cargo.toml b/src/tools/coverage-dump/Cargo.toml
index 2f703537b59..e491804c257 100644
--- a/src/tools/coverage-dump/Cargo.toml
+++ b/src/tools/coverage-dump/Cargo.toml
@@ -12,4 +12,4 @@ leb128 = "0.2.5"
 md5 = { package = "md-5" , version = "0.10.5" }
 miniz_oxide = "0.8.8"
 regex = "1.8.4"
-rustc-demangle = "0.1.23"
+rustc-demangle.workspace = true
diff --git a/src/tools/features-status-dump/Cargo.toml b/src/tools/features-status-dump/Cargo.toml
index b2976f14a01..d72555da486 100644
--- a/src/tools/features-status-dump/Cargo.toml
+++ b/src/tools/features-status-dump/Cargo.toml
@@ -8,5 +8,5 @@ edition = "2021"
 anyhow = { version = "1" }
 clap = { version = "4", features = ["derive"] }
 serde = { version = "1.0.125", features = [ "derive" ] }
-serde_json = "1.0.59"
+serde_json.workspace = true
 tidy = { path = "../tidy", features = ["build-metrics"] }
diff --git a/src/tools/generate-copyright/Cargo.toml b/src/tools/generate-copyright/Cargo.toml
index bcb3165de45..5edf1f3d88b 100644
--- a/src/tools/generate-copyright/Cargo.toml
+++ b/src/tools/generate-copyright/Cargo.toml
@@ -11,5 +11,5 @@ anyhow = "1.0.65"
 askama = "0.14.0"
 cargo_metadata = "0.21"
 serde = { version = "1.0.147", features = ["derive"] }
-serde_json = "1.0.85"
+serde_json.workspace = true
 thiserror = "1"
diff --git a/src/tools/jsondocck/Cargo.toml b/src/tools/jsondocck/Cargo.toml
index 80fc26cbe66..92fde363882 100644
--- a/src/tools/jsondocck/Cargo.toml
+++ b/src/tools/jsondocck/Cargo.toml
@@ -8,5 +8,5 @@ jsonpath-rust = "1.0.0"
 getopts = "0.2"
 regex = "1.4"
 shlex = "1.0"
-serde_json = "1.0"
+serde_json.workspace = true
 fs-err = "2.5.0"
diff --git a/src/tools/jsondoclint/Cargo.toml b/src/tools/jsondoclint/Cargo.toml
index cc8ecefd530..44beaf2ddfd 100644
--- a/src/tools/jsondoclint/Cargo.toml
+++ b/src/tools/jsondoclint/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 anyhow = "1.0.62"
 clap = { version = "4.0.15", features = ["derive"] }
 fs-err = "2.8.1"
-rustc-hash = "2.0.0"
+rustc-hash.workspace = true
 rustdoc-json-types = { version = "0.1.0", path = "../../rustdoc-json-types" }
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0.85"
+serde_json.workspace = true
diff --git a/src/tools/lint-docs/Cargo.toml b/src/tools/lint-docs/Cargo.toml
index 6e1ab84ed18..acafe17cb0c 100644
--- a/src/tools/lint-docs/Cargo.toml
+++ b/src/tools/lint-docs/Cargo.toml
@@ -8,6 +8,6 @@ description = "A script to extract the lint documentation for the rustc book."
 
 [dependencies]
 rustc-literal-escaper = "0.0.5"
-serde_json = "1.0.57"
-tempfile = "3.1.0"
+serde_json.workspace = true
+tempfile.workspace = true
 walkdir = "2.3.1"
diff --git a/src/tools/opt-dist/Cargo.toml b/src/tools/opt-dist/Cargo.toml
index f4051ae67d7..b2833a9d7f1 100644
--- a/src/tools/opt-dist/Cargo.toml
+++ b/src/tools/opt-dist/Cargo.toml
@@ -15,9 +15,9 @@ fs_extra = "1"
 camino = "1"
 tar = "0.4"
 xz = { version = "0.1", package = "xz2" }
-serde_json = "1"
+serde_json.workspace = true
 glob = "0.3"
-tempfile = "3.5"
+tempfile.workspace = true
 derive_builder = "0.20"
 clap = { version = "4", features = ["derive"] }
 tabled = { version = "0.15", default-features = false, features = ["std"] }
diff --git a/src/tools/run-make-support/Cargo.toml b/src/tools/run-make-support/Cargo.toml
index 250e0f65a9f..86ac4b9d7b4 100644
--- a/src/tools/run-make-support/Cargo.toml
+++ b/src/tools/run-make-support/Cargo.toml
@@ -12,10 +12,10 @@ edition = "2024"
 # tidy-alphabetical-start
 bstr = "1.12"
 gimli = "0.32"
-libc = "0.2"
+libc.workspace = true
 object = "0.37"
 regex = "1.11"
-serde_json = "1.0"
+serde_json.workspace = true
 similar = "2.7"
 wasmparser = { version = "0.236", default-features = false, features = ["std", "features", "validate"] }
 # tidy-alphabetical-end
diff --git a/src/tools/tidy/Cargo.toml b/src/tools/tidy/Cargo.toml
index c1f27de7ed4..f43733665ed 100644
--- a/src/tools/tidy/Cargo.toml
+++ b/src/tools/tidy/Cargo.toml
@@ -14,7 +14,7 @@ ignore = "0.4.18"
 semver = "1.0"
 serde = { version = "1.0.125", features = ["derive"], optional = true }
 termcolor = "1.1.3"
-rustc-hash = "2.0.0"
+rustc-hash.workspace = true
 fluent-syntax = "0.12"
 similar = "2.5.0"
 toml = "0.7.8"