diff --git a/Cargo.lock b/Cargo.lock
index 6f9dba3..c3ece31 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -767,9 +767,9 @@ dependencies = [
 
 [[package]]
 name = "libmimalloc-sys"
-version = "0.1.30"
+version = "0.1.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8c7cbf8b89019683667e347572e6d55a7df7ea36b0c4ce69961b0cde67b174"
+checksum = "81eb4061c0582dedea1cbc7aff2240300dd6982e0239d1c99e65c1dbf4a30ba7"
 dependencies = [
  "cc",
  "libc",
@@ -861,9 +861,9 @@ dependencies = [
 
 [[package]]
 name = "mimalloc"
-version = "0.1.34"
+version = "0.1.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dcb174b18635f7561a0c6c9fc2ce57218ac7523cf72c50af80e2d79ab8f3ba1"
+checksum = "9f41a2280ded0da56c8cf898babb86e8f10651a34adcfff190ae9a1159c6908d"
 dependencies = [
  "libmimalloc-sys",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index b48c0c9..c52e2a5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ build = "build.rs"
 rust-version = "1.66.1"
 
 [dependencies]
-mimalloc = { version = "0.1.31", optional = true }
+mimalloc = { version = "0.1.41", optional = true }
 calypso_parsing = { path = "libs/calypso_parsing", version = "0.1.0" }
 calypso_diagnostic = { path = "libs/calypso_diagnostic", version = "0.1.0" }
 calypso_repl = { path = "libs/calypso_repl", version = "0.1.0" }