diff --git a/rust/libraries/acars_connection_manager/Cargo.toml b/rust/libraries/acars_connection_manager/Cargo.toml
index 3792de54..2f483d3a 100644
--- a/rust/libraries/acars_connection_manager/Cargo.toml
+++ b/rust/libraries/acars_connection_manager/Cargo.toml
@@ -6,7 +6,7 @@ edition.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-sdre-stubborn-io = { git = "https://github.com/sdr-enthusiasts/sdre-stubborn-io.git" }
+sdre-stubborn-io = { git = "https://github.com/sdr-enthusiasts/sdre-stubborn-io.git", version = "0.4.2" }
 log = "0.4.20"
 tokio = { version = "1.34.0", features = ["full", "tracing"] }
 tokio-util = { version = "0.7.10", features = ["full"] }