diff --git a/Cargo.lock b/Cargo.lock
index f3bd3d6b76b..b736e00400d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -294,13 +294,14 @@ dependencies = [
 
 [[package]]
 name = "dashmap"
-version = "5.2.0"
+version = "5.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c8858831f7781322e539ea39e72449c46b059638250c14344fec8d0aa6e539c"
+checksum = "3495912c9c1ccf2e18976439f4443f3fee0fd61f424ff99fde6a66b15ecb448f"
 dependencies = [
  "cfg-if",
- "num_cpus",
- "parking_lot 0.12.0",
+ "hashbrown 0.12.1",
+ "lock_api",
+ "parking_lot_core 0.9.3",
 ]
 
 [[package]]
@@ -505,15 +506,14 @@ dependencies = [
  "either",
  "expect-test",
  "fst",
+ "hashbrown 0.12.1",
  "hir-expand",
  "indexmap",
  "itertools",
  "la-arena",
  "limit",
- "lock_api",
  "mbe",
  "once_cell",
- "parking_lot 0.12.0",
  "profile",
  "rustc-hash",
  "smallvec",
diff --git a/crates/hir-def/Cargo.toml b/crates/hir-def/Cargo.toml
index 82222129361..def8428d732 100644
--- a/crates/hir-def/Cargo.toml
+++ b/crates/hir-def/Cargo.toml
@@ -10,23 +10,23 @@ rust-version = "1.57"
 doctest = false
 
 [dependencies]
+anymap = "0.12.1"
+arrayvec = "0.7.2"
 bitflags = "1.3.2"
 cov-mark = "2.0.0-pre.1"
-dashmap = { version = "5.2.0", features = ["raw-api"] }
-lock_api = "0.4.6"
-parking_lot = "0.12.0"
-tracing = "0.1.32"
+# We need to freeze the version of the crate, as the raw-api feature is considered unstable
+dashmap = { version = "=5.3.4", features = ["raw-api"] }
+drop_bomb = "0.1.5"
+either = "1.6.1"
+fst = { version = "0.4.7", default-features = false }
+hashbrown = { version = "0.12.1", default-features = false }
+indexmap = "1.8.0"
+itertools = "0.10.3"
+la-arena = { version = "0.3.0", path = "../../lib/la-arena" }
 once_cell = "1.10.0"
 rustc-hash = "1.1.0"
-either = "1.6.1"
-anymap = "0.12.1"
-drop_bomb = "0.1.5"
-fst = { version = "0.4.7", default-features = false }
-itertools = "0.10.3"
-indexmap = "1.8.0"
 smallvec = "1.8.0"
-arrayvec = "0.7.2"
-la-arena = { version = "0.3.0", path = "../../lib/la-arena" }
+tracing = "0.1.32"
 
 stdx = { path = "../stdx", version = "0.0.0" }
 base-db = { path = "../base-db", version = "0.0.0" }
diff --git a/crates/hir-def/src/intern.rs b/crates/hir-def/src/intern.rs
index f5a4f5ec4e3..f08521a3403 100644
--- a/crates/hir-def/src/intern.rs
+++ b/crates/hir-def/src/intern.rs
@@ -3,7 +3,6 @@
 //! Eventually this should probably be replaced with salsa-based interning.
 
 use std::{
-    collections::HashMap,
     fmt::{self, Debug, Display},
     hash::{BuildHasherDefault, Hash, Hasher},
     ops::Deref,
@@ -11,17 +10,15 @@ use std::{
 };
 
 use dashmap::{DashMap, SharedValue};
-use lock_api::RwLockWriteGuard;
+use hashbrown::HashMap;
 use once_cell::sync::OnceCell;
-use parking_lot::RawRwLock;
 use rustc_hash::FxHasher;
 
 use crate::generics::GenericParams;
 
 type InternMap<T> = DashMap<Arc<T>, (), BuildHasherDefault<FxHasher>>;
-type Guard<T> = RwLockWriteGuard<
+type Guard<T> = dashmap::RwLockWriteGuard<
     'static,
-    RawRwLock,
     HashMap<Arc<T>, SharedValue<()>, BuildHasherDefault<FxHasher>>,
 >;