diff --git a/Cargo.toml b/Cargo.toml
index 1cb0585e..02238873 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ debug = true
 opt-level = 1 # required for the tail calls in inflate to optimize
 
 [workspace.dependencies]
-libz-sys = { version = "1.1.24", default-features = false, features = ["zlib-ng"] } # use libz-ng in libz compat mode
+libz-sys = { version = "1.1.29", default-features = false, features = ["zlib-ng"] } # use libz-ng in libz compat mode
 arbitrary = { version = "1.0" }
 quickcheck = { version = "1.0.3", default-features = false, features = [] }