diff --git a/Cargo.lock b/Cargo.lock
index 44956c715..ac6e3ce06 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1059,9 +1059,9 @@ dependencies = [
 
 [[package]]
 name = "libmimalloc-sys"
-version = "0.1.30"
+version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8c7cbf8b89019683667e347572e6d55a7df7ea36b0c4ce69961b0cde67b174"
+checksum = "04d1c67deb83e6b75fa4fe3309e09cfeade12e7721d95322af500d3814ea60c9"
 dependencies = [
  "cc",
  "cty",
@@ -1160,9 +1160,9 @@ dependencies = [
 
 [[package]]
 name = "mimalloc"
-version = "0.1.34"
+version = "0.1.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dcb174b18635f7561a0c6c9fc2ce57218ac7523cf72c50af80e2d79ab8f3ba1"
+checksum = "9b2374e2999959a7b583e1811a1ddbf1d3a4b9496eceb9746f1192a59d871eca"
 dependencies = [
  "libmimalloc-sys",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index ce902bc01..917bee662 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,8 +40,8 @@ num-format = "*"
 comfy-table = "6.*"
 pulldown-cmark = { version = "0.9.*", default-features = false, features = ["simd"] }
 horrorshow = "0.8.*"
-mimalloc = { version = "*", default-features = false }
-libmimalloc-sys = { version = "*",  features = ["extended"] }
+mimalloc = { version = "=0.1.32", default-features = false }
+libmimalloc-sys = { version = "=0.1.28",  features = ["extended"] }
 nested="*"
 compact_str = "0.6.*"
 ureq = "*"