diff --git a/CHANGELOG.md b/CHANGELOG.md
index 500eb1d4..e578d2e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Unreleased
 
+* On X11, prevent a compilation failure in release mode for versions of Rust greater than or equal to 1.30.
+
 # Version 0.17.0 (2018-08-02)
 
 - Cocoa and core-graphics updates.
diff --git a/Cargo.toml b/Cargo.toml
index 0a6600cb..7d6d21dc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -56,6 +56,6 @@ features = [
 [target.'cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "openbsd", target_os = "netbsd"))'.dependencies]
 wayland-client = { version = "0.20.10", features = [ "dlopen", "egl", "cursor"] }
 smithay-client-toolkit = "0.2.6"
-x11-dl = "2.17.5"
+x11-dl = "2.18.3"
 parking_lot = "0.6"
 percent-encoding = "1.0"