diff --git a/crates/flycheck/Cargo.toml b/crates/flycheck/Cargo.toml
index 44499bc794..3d9436d690 100644
--- a/crates/flycheck/Cargo.toml
+++ b/crates/flycheck/Cargo.toml
@@ -12,7 +12,7 @@ doctest = false
 [dependencies]
 crossbeam-channel = "0.5.0"
 log = "0.4.8"
-cargo_metadata = "0.12.0"
+cargo_metadata = "=0.12.0"
 serde_json = "1.0.48"
 jod-thread = "0.1.1"
 
diff --git a/crates/proc_macro_srv/Cargo.toml b/crates/proc_macro_srv/Cargo.toml
index 048b321869..7293729688 100644
--- a/crates/proc_macro_srv/Cargo.toml
+++ b/crates/proc_macro_srv/Cargo.toml
@@ -20,7 +20,7 @@ proc_macro_api = { path = "../proc_macro_api", version = "0.0.0" }
 test_utils = { path = "../test_utils", version = "0.0.0" }
 
 [dev-dependencies]
-cargo_metadata = "0.12.0"
+cargo_metadata = "=0.12.0"
 difference = "2.0.0"
 
 # used as proc macro test targets
diff --git a/crates/project_model/Cargo.toml b/crates/project_model/Cargo.toml
index 2d53bcbcca..e0c591603e 100644
--- a/crates/project_model/Cargo.toml
+++ b/crates/project_model/Cargo.toml
@@ -12,7 +12,7 @@ doctest = false
 [dependencies]
 log = "0.4.8"
 rustc-hash = "1.1.0"
-cargo_metadata = "0.12.0"
+cargo_metadata = "=0.12.0"
 serde = { version = "1.0.106", features = ["derive"] }
 serde_json = "1.0.48"
 anyhow = "1.0.26"