diff --git a/Cargo.lock b/Cargo.lock
index 8ccf05cc5b842..a96e068585837 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1877,16 +1877,6 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
-[[package]]
-name = "jemalloc-sys"
-version = "0.5.4+5.3.0-patched"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac6c1946e1cea1788cbfde01c993b52a10e2da07f4bac608228d1bed20bfebf2"
-dependencies = [
- "cc",
- "libc",
-]
-
 [[package]]
 name = "jobserver"
 version = "0.1.32"
@@ -2287,7 +2277,6 @@ dependencies = [
  "ctrlc",
  "directories",
  "getrandom",
- "jemalloc-sys",
  "libc",
  "libffi",
  "libloading",
@@ -2297,6 +2286,7 @@ dependencies = [
  "rustc_version",
  "smallvec",
  "tempfile",
+ "tikv-jemalloc-sys",
  "ui_test",
  "windows-sys 0.52.0",
 ]
@@ -3151,12 +3141,12 @@ checksum = "583034fd73374156e66797ed8e5b0d5690409c9226b22d87cb7f19821c05d152"
 name = "rustc-main"
 version = "0.0.0"
 dependencies = [
- "jemalloc-sys",
  "rustc_codegen_ssa",
  "rustc_driver",
  "rustc_driver_impl",
  "rustc_smir",
  "stable_mir",
+ "tikv-jemalloc-sys",
 ]
 
 [[package]]
@@ -5260,6 +5250,16 @@ dependencies = [
 name = "tier-check"
 version = "0.1.0"
 
+[[package]]
+name = "tikv-jemalloc-sys"
+version = "0.6.0+5.3.0-1-ge13ca993e8ccb9ba9847cc330696e02839f328f7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd3c60906412afa9c2b5b5a48ca6a5abe5736aec9eb48ad05037a677e52e4e2d"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "time"
 version = "0.3.36"
diff --git a/compiler/rustc/Cargo.toml b/compiler/rustc/Cargo.toml
index f85c30ac7ec5b..d24b630516a7c 100644
--- a/compiler/rustc/Cargo.toml
+++ b/compiler/rustc/Cargo.toml
@@ -20,14 +20,14 @@ rustc_smir = { path = "../rustc_smir" }
 stable_mir = { path = "../stable_mir" }
 # tidy-alphabetical-end
 
-[dependencies.jemalloc-sys]
-version = "0.5.0"
+[dependencies.tikv-jemalloc-sys]
+version = "0.6.0"
 optional = true
 features = ['unprefixed_malloc_on_supported_platforms']
 
 [features]
 # tidy-alphabetical-start
-jemalloc = ['dep:jemalloc-sys']
+jemalloc = ['dep:tikv-jemalloc-sys']
 llvm = ['rustc_driver_impl/llvm']
 max_level_info = ['rustc_driver_impl/max_level_info']
 rustc_randomized_layouts = ['rustc_driver_impl/rustc_randomized_layouts']
diff --git a/compiler/rustc/src/main.rs b/compiler/rustc/src/main.rs
index ccf88d8ff4bc8..a55a63a7bf179 100644
--- a/compiler/rustc/src/main.rs
+++ b/compiler/rustc/src/main.rs
@@ -43,6 +43,8 @@ fn main() {
     {
         use std::os::raw::{c_int, c_void};
 
+        use tikv_jemalloc_sys as jemalloc_sys;
+
         #[used]
         static _F1: unsafe extern "C" fn(usize, usize) -> *mut c_void = jemalloc_sys::calloc;
         #[used]
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index 436d36d899e58..8bc543f7e72a4 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -68,7 +68,7 @@ extern crate test;
 // See docs in https://github.com/rust-lang/rust/blob/master/compiler/rustc/src/main.rs
 // about jemalloc.
 #[cfg(feature = "jemalloc")]
-extern crate jemalloc_sys;
+extern crate tikv_jemalloc_sys as jemalloc_sys;
 
 use std::env::{self, VarError};
 use std::io::{self, IsTerminal};
diff --git a/src/tools/miri/Cargo.toml b/src/tools/miri/Cargo.toml
index cb02914fd93bf..473b4fba928b1 100644
--- a/src/tools/miri/Cargo.toml
+++ b/src/tools/miri/Cargo.toml
@@ -31,8 +31,8 @@ directories = "5"
 # Copied from `compiler/rustc/Cargo.toml`.
 # But only for some targets, it fails for others. Rustc configures this in its CI, but we can't
 # easily use that since we support of-tree builds.
-[target.'cfg(any(target_os = "linux", target_os = "macos"))'.dependencies.jemalloc-sys]
-version = "0.5.0"
+[target.'cfg(any(target_os = "linux", target_os = "macos"))'.dependencies.tikv-jemalloc-sys]
+version = "0.6.0"
 features = ['unprefixed_malloc_on_supported_platforms']
 
 [target.'cfg(unix)'.dependencies]
diff --git a/src/tools/miri/src/bin/miri.rs b/src/tools/miri/src/bin/miri.rs
index c61c62c73dad2..1e0e31f01abde 100644
--- a/src/tools/miri/src/bin/miri.rs
+++ b/src/tools/miri/src/bin/miri.rs
@@ -316,6 +316,8 @@ fn jemalloc_magic() {
     // See there for further comments.
     use std::os::raw::{c_int, c_void};
 
+    use tikv_jemalloc_sys as jemalloc_sys;
+
     #[used]
     static _F1: unsafe extern "C" fn(usize, usize) -> *mut c_void = jemalloc_sys::calloc;
     #[used]
diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs
index e065f01ebba8b..afa0b9a676076 100644
--- a/src/tools/tidy/src/deps.rs
+++ b/src/tools/tidy/src/deps.rs
@@ -307,7 +307,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[
     "intl_pluralrules",
     "itertools",
     "itoa",
-    "jemalloc-sys",
     "jobserver",
     "lazy_static",
     "leb128",
@@ -392,6 +391,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[
     "thiserror-impl",
     "thorin-dwp",
     "thread_local",
+    "tikv-jemalloc-sys",
     "time",
     "time-core",
     "time-macros",