diff --git a/Cargo.toml b/Cargo.toml
index a7727fe..1512ed0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,9 +6,10 @@ edition = "2018"
 [lib]
 crate-type = ["cdylib"]
 
+# `parking_lot` version 0.12 bumped their MSRV to 1.49, use 0.11 to stay compatible with 1.48.
 [dependencies]
 ctor = "0.1.21"
 libc = "0.2.102"
-parking_lot = "0.12.0"
+parking_lot = "0.11.2"
 serde = { version = "1.0.130", features = ["derive"] }
 toml = "0.5.8"