diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e0893fd..bdfd2f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -67,7 +67,7 @@ jobs:
       - run: sudo apt-get install -y libdrm-dev libwayland-dev
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.65.0
+          toolchain: 1.66.0
           profile: minimal
           components: clippy
           default: true
@@ -78,12 +78,12 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-          key: ${{ runner.os }}-cargo-rust_1_65-${{ hashFiles('**/Cargo.toml') }}
+          key: ${{ runner.os }}-cargo-rust_1_66-${{ hashFiles('**/Cargo.toml') }}
       - name: Build cache
         uses: actions/cache@v2
         with:
           path: target
-          key: ${{ runner.os }}-build-rust_1_65-check-${{ hashFiles('**/Cargo.toml') }}
+          key: ${{ runner.os }}-build-rust_1_66-check-${{ hashFiles('**/Cargo.toml') }}
       - name: Downgrade to MSRV package versions
         run: cargo update -p home --precise 0.5.5
       - name: Clippy check
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cc3909..ea4b065 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.16.0
+
+- Update drm-rs to 0.14
+- Fix `use_bindgen` feature
+
 ## 0.15.0
 
 - Update drm-rs to 0.12
diff --git a/Cargo.toml b/Cargo.toml
index 80dba2c..97eb738 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ description = "libgbm bindings for rust"
 license = "MIT"
 documentation = "https://docs.rs/gbm"
 repository = "https://github.com/Smithay/gbm.rs"
-version = "0.15.0"
+version = "0.16.0"
 keywords = ["wayland", "gbm", "drm", "bindings"]
 categories = ["external-ffi-bindings"]
 authors = ["Victoria Brekenfeld <github@drakulix.de>"]
@@ -21,7 +21,7 @@ version = "0.3.0"
 path = "./gbm-sys"
 
 [dependencies.drm]
-version = "0.12.0"
+version = "0.14.0"
 optional = true
 
 [dependencies.wayland-server]
@@ -42,7 +42,7 @@ features = ["derive"]
 optional = true
 
 [dev-dependencies.drm]
-version = "0.12.0"
+version = "0.14.0"
 
 [features]
 default = ["import-wayland", "import-egl", "drm-support"]
diff --git a/README.md b/README.md
index 1d90c0d..54120a8 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ provided through the `drm-support` feature.
 Add to your Cargo.toml
 
 ```toml
-gbm = "0.15.0"
+gbm = "0.16.0"
 ```
 
 ## Example
diff --git a/gbm-sys/build.rs b/gbm-sys/build.rs
index b23dd16..4dfc5dc 100644
--- a/gbm-sys/build.rs
+++ b/gbm-sys/build.rs
@@ -1,10 +1,10 @@
-#[cfg(feature = "gen")]
+#[cfg(feature = "use_bindgen")]
 extern crate bindgen;
 
-#[cfg(not(feature = "gen"))]
+#[cfg(not(feature = "use_bindgen"))]
 fn main() {}
 
-#[cfg(feature = "gen")]
+#[cfg(feature = "use_bindgen")]
 fn main() {
     use std::{env, path::Path};
 
diff --git a/gbm-sys/src/lib.rs b/gbm-sys/src/lib.rs
index 2c95bcf..77c6bda 100644
--- a/gbm-sys/src/lib.rs
+++ b/gbm-sys/src/lib.rs
@@ -4,10 +4,10 @@
 // it is not so.
 #![cfg_attr(test, allow(deref_nullptr))]
 
-#[cfg(feature = "gen")]
+#[cfg(feature = "use_bindgen")]
 include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
 
-#[cfg(not(feature = "gen"))]
+#[cfg(not(feature = "use_bindgen"))]
 include!("bindings.rs");
 
 #[link(name = "gbm")]
diff --git a/src/buffer_object.rs b/src/buffer_object.rs
index b16c8a6..610851f 100644
--- a/src/buffer_object.rs
+++ b/src/buffer_object.rs
@@ -1,3 +1,5 @@
+#![allow(clippy::unnecessary_cast)]
+
 use crate::{AsRaw, Device, DeviceDestroyedError, Format, Modifier, Ptr, WeakPtr};
 
 #[cfg(feature = "drm-support")]
diff --git a/src/device.rs b/src/device.rs
index b5aa670..ca39918 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -265,7 +265,7 @@ impl<T: AsFd> Device<T> {
         let ptr = unsafe {
             ffi::gbm_bo_import(
                 *self.ffi,
-                ffi::GBM_BO_IMPORT_WL_BUFFER as u32,
+                ffi::GBM_BO_IMPORT_WL_BUFFER,
                 buffer.id().as_ptr() as *mut _,
                 usage.bits(),
             )
@@ -298,7 +298,7 @@ impl<T: AsFd> Device<T> {
     ) -> IoResult<BufferObject<U>> {
         let ptr = ffi::gbm_bo_import(
             *self.ffi,
-            ffi::GBM_BO_IMPORT_EGL_IMAGE as u32,
+            ffi::GBM_BO_IMPORT_EGL_IMAGE,
             buffer,
             usage.bits(),
         );
@@ -337,7 +337,7 @@ impl<T: AsFd> Device<T> {
         let ptr = unsafe {
             ffi::gbm_bo_import(
                 *self.ffi,
-                ffi::GBM_BO_IMPORT_FD as u32,
+                ffi::GBM_BO_IMPORT_FD,
                 &mut fd_data as *mut ffi::gbm_import_fd_data as *mut _,
                 usage.bits(),
             )
@@ -385,7 +385,7 @@ impl<T: AsFd> Device<T> {
         let ptr = unsafe {
             ffi::gbm_bo_import(
                 *self.ffi,
-                ffi::GBM_BO_IMPORT_FD_MODIFIER as u32,
+                ffi::GBM_BO_IMPORT_FD_MODIFIER,
                 &mut fd_data as *mut ffi::gbm_import_fd_modifier_data as *mut _,
                 usage.bits(),
             )