diff --git a/Cargo.lock b/Cargo.lock
index 6df1b5d..ef050cc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1556,8 +1556,7 @@ checksum = "3eaf3ede3fee6db1a4c2ee091bf8a8b4dccdc6d17f656fb07896ee72867612f2"
 [[package]]
 name = "libmimalloc-sys"
 version = "0.1.49"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a45a52f43e1c16f667ccfe4dd8c85b7f7c204fd5e3bf46c5b0db9a5c3c0b8e9"
+source = "git+https://github.com/xonatius/mimalloc_rust.git?rev=6d4c41bb10c6d9da1d1b6f07b38c4cc051667f11#6d4c41bb10c6d9da1d1b6f07b38c4cc051667f11"
 dependencies = [
  "cc",
 ]
@@ -1680,8 +1679,7 @@ checksum = "cf8baf1c55e62ffcace7a9f06f4bd9cd3f0c4beb022d3b367256b91b87513d98"
 [[package]]
 name = "mimalloc"
 version = "0.1.52"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d4139bb28d14ad1facf21d5eb8825051b326e172d216b39f6d31df53cc97862"
+source = "git+https://github.com/xonatius/mimalloc_rust.git?rev=6d4c41bb10c6d9da1d1b6f07b38c4cc051667f11#6d4c41bb10c6d9da1d1b6f07b38c4cc051667f11"
 dependencies = [
  "libmimalloc-sys",
 ]
@@ -3157,7 +3155,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
 dependencies = [
  "fastrand",
- "getrandom 0.4.3",
+ "getrandom 0.3.4",
  "once_cell",
  "rustix",
  "windows-sys",
diff --git a/Cargo.toml b/Cargo.toml
index 41f5058..9067ce2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,8 @@ tracing-opentelemetry = "0.33"
 tracing-subscriber = "0.3"
 uniffi = "0.31"
 validator = "0.21"
-mimalloc = "0.1.52"
+# TODO: Use a crates.io release after it includes the fix for https://github.com/microsoft/mimalloc/issues/1287.
+mimalloc = { git = "https://github.com/xonatius/mimalloc_rust.git", rev = "6d4c41bb10c6d9da1d1b6f07b38c4cc051667f11" }
 
 [workspace.lints.rust]
 missing_docs = "warn"