diff --git a/Cargo.toml b/Cargo.toml
index eba5dad..1242a90 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,23 +16,23 @@ wayland-commons = { version = "0.25.0", optional = true }
 wayland-sys = { version = "0.25.0", optional = true }
 calloop = "0.5.1"
 bitflags = "1"
-nix = "0.15"
+nix = "0.17"
 xkbcommon = "0.4.0"
 tempfile = "3.0"
-slog = "2.1.1"
-slog-stdlog = "3.0.2"
-libloading = "0.5.0"
+slog = "2"
+slog-stdlog = "4"
+libloading = "0.6.0"
 wayland-egl = { version = "0.25.0", optional = true }
 winit = { version = "0.22.0", optional = true }
 drm = { version = "^0.4.0", git = "https://github.com/drakulix/drm-rs", branch = "develop", optional = true }
 gbm = { version = "^0.6.0", git = "https://github.com/drakulix/gbm.rs", branch = "develop", optional = true, default-features = false, features = ["drm-support"] }
-glium = { version = "0.23.0", optional = true, default-features = false }
+glium = { version = "0.27.0", optional = true, default-features = false }
 input = { version = "0.5", default-features = false, optional = true }
 udev = { version = "0.4", optional = true }
 dbus = { version = "0.8", optional = true }
 systemd = { version = "0.4.0", optional = true }
 wayland-protocols = { version = "0.25.0", features = ["unstable_protocols", "server"], optional = true }
-image = { version = "0.21.0", optional = true }
+image = { version = "0.23.0", optional = true }
 lazy_static = "1.0.0"
 thiserror = "1"
 # TODO: remove as soon as drm-rs provides an error implementing Error
@@ -42,7 +42,7 @@ failure = { version = "0.1", optional = true }
 slog-term = "2.3"
 
 [build-dependencies]
-gl_generator = { version = "0.10", optional = true }
+gl_generator = { version = "0.14", optional = true }
 
 [features]
 default = ["backend_winit", "backend_drm_legacy", "backend_drm_gbm", "backend_drm_egl", "backend_libinput", "backend_udev", "backend_session_logind", "renderer_glium", "xwayland", "wayland_frontend"]
diff --git a/anvil/Cargo.toml b/anvil/Cargo.toml
index 8cbd009..4d42e65 100644
--- a/anvil/Cargo.toml
+++ b/anvil/Cargo.toml
@@ -10,8 +10,8 @@ edition = "2018"
 slog = { version = "2.1.1" }
 slog-term = "2.3"
 slog-async = "2.2"
-rand = "0.6"
-glium = { version = "0.23.0", default-features = false }
+rand = "0.7"
+glium = { version = "0.27.0", default-features = false }
 wayland-server = "0.25.0"
 xkbcommon = "0.4.0"
 bitflags = "1.2.1"
@@ -23,7 +23,7 @@ default-features = false
 features = [ "renderer_glium", "backend_egl", "wayland_frontend" ]
 
 [build-dependencies]
-gl_generator = "0.10"
+gl_generator = "0.14"
 
 [features]
 default = [ "winit", "egl", "udev", "logind" ]
diff --git a/src/xwayland/xserver.rs b/src/xwayland/xserver.rs
index c6f9ce8..a2ce2d8 100644
--- a/src/xwayland/xserver.rs
+++ b/src/xwayland/xserver.rs
@@ -392,7 +392,10 @@ fn exec_xwayland(
     }
 
     // run it
-    let ret = ::nix::unistd::execvp(&CString::new("Xwayland").unwrap(), &args)?;
+    let ret = ::nix::unistd::execvp(
+        &CString::new("Xwayland").unwrap(),
+        &args.iter().map(AsRef::as_ref).collect::<Vec<_>>(),
+    )?;
     // small dance to actually return Void
     match ret {}
 }