diff --git a/gl/Cargo.toml b/gl/Cargo.toml
index df9f0a6..46d511f 100644
--- a/gl/Cargo.toml
+++ b/gl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gl"
-version = "0.14.0"
+version = "0.14.1"
 authors = [
     "Brendan Zabarauskas <bjzaba@yahoo.com.au>",
     "Corey Richardson",
@@ -16,7 +16,7 @@ categories = ["api-bindings", "rendering::graphics-api"]
 keywords = ["gl", "egl", "opengl", "khronos"]
 
 [build-dependencies]
-gl_generator = { version = "0.14.0", path = "../gl_generator" }
+gl_generator = { version = "0.15.0", path = "../gl_generator" }
 
 [dev-dependencies]
 glutin = "0.24"
diff --git a/gl/src/lib.rs b/gl/src/lib.rs
index 607a156..bd92889 100644
--- a/gl/src/lib.rs
+++ b/gl/src/lib.rs
@@ -78,6 +78,7 @@
     clippy::too_many_arguments,
     clippy::unused_unit
 )]
+#![no_std]
 
 include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
 
diff --git a/gl_generator/Cargo.toml b/gl_generator/Cargo.toml
index b90beca..d6f136b 100644
--- a/gl_generator/Cargo.toml
+++ b/gl_generator/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gl_generator"
-version = "0.14.0"
+version = "0.15.0"
 authors = [
     "Brendan Zabarauskas <bjzaba@yahoo.com.au>",
     "Corey Richardson",
diff --git a/gl_generator/README.md b/gl_generator/README.md
index c553523..fbd081c 100644
--- a/gl_generator/README.md
+++ b/gl_generator/README.md
@@ -53,6 +53,8 @@ fn main() {
 Then use it like this:
 
 ```rust
+extern crate core;  // or #![no_std] for no_std support
+
 mod gl {
     include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
 }
diff --git a/gl_generator/generators/debug_struct_gen.rs b/gl_generator/generators/debug_struct_gen.rs
index b826a86..a3520ee 100644
--- a/gl_generator/generators/debug_struct_gen.rs
+++ b/gl_generator/generators/debug_struct_gen.rs
@@ -44,9 +44,9 @@ where
         dest,
         r#"
         mod __gl_imports {{
-            pub use std::mem;
-            pub use std::marker::Send;
-            pub use std::os::raw;
+            pub use core::mem;
+            pub use core::marker::Send;
+            pub use core::ffi as raw;
         }}
     "#
     )
diff --git a/gl_generator/generators/global_gen.rs b/gl_generator/generators/global_gen.rs
index 11bae56..c1af4b9 100644
--- a/gl_generator/generators/global_gen.rs
+++ b/gl_generator/generators/global_gen.rs
@@ -47,8 +47,8 @@ where
         dest,
         r#"
         mod __gl_imports {{
-            pub use std::mem;
-            pub use std::os::raw;
+            pub use core::mem;
+            pub use core::ffi as raw;
         }}
     "#
     )
diff --git a/gl_generator/generators/static_gen.rs b/gl_generator/generators/static_gen.rs
index a1d2a91..9b8dc50 100644
--- a/gl_generator/generators/static_gen.rs
+++ b/gl_generator/generators/static_gen.rs
@@ -41,8 +41,8 @@ where
         dest,
         r#"
         mod __gl_imports {{
-            pub use std::mem;
-            pub use std::os::raw;
+            pub use core::mem;
+            pub use core::ffi as raw;
         }}
     "#
     )
diff --git a/gl_generator/generators/static_struct_gen.rs b/gl_generator/generators/static_struct_gen.rs
index 0e385cb..8e99c22 100644
--- a/gl_generator/generators/static_struct_gen.rs
+++ b/gl_generator/generators/static_struct_gen.rs
@@ -43,8 +43,8 @@ where
         dest,
         r#"
         mod __gl_imports {{
-            pub use std::mem;
-            pub use std::os::raw;
+            pub use core::mem;
+            pub use core::ffi as raw;
         }}
     "#
     )
diff --git a/gl_generator/generators/struct_gen.rs b/gl_generator/generators/struct_gen.rs
index 5dcef6f..7e6bba9 100644
--- a/gl_generator/generators/struct_gen.rs
+++ b/gl_generator/generators/struct_gen.rs
@@ -44,9 +44,9 @@ where
         dest,
         r#"
         mod __gl_imports {{
-            pub use std::mem;
-            pub use std::marker::Send;
-            pub use std::os::raw;
+            pub use core::mem;
+            pub use core::marker::Send;
+            pub use core::ffi as raw;
         }}
     "#
     )
diff --git a/tests/test_add_registries/lib.rs b/tests/test_add_registries/lib.rs
index 5285906..43697f5 100644
--- a/tests/test_add_registries/lib.rs
+++ b/tests/test_add_registries/lib.rs
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+extern crate core;
+
 pub mod gl {
     #![allow(
         clippy::missing_safety_doc,
diff --git a/tests/test_gen_symbols/lib.rs b/tests/test_gen_symbols/lib.rs
index 122ad7e..930049d 100644
--- a/tests/test_gen_symbols/lib.rs
+++ b/tests/test_gen_symbols/lib.rs
@@ -19,6 +19,8 @@
     clippy::upper_case_acronyms
 )]
 
+extern crate core;
+
 use std::os::raw;
 
 include!(concat!(env!("OUT_DIR"), "/test_gen_symbols.rs"));
diff --git a/tests/test_no_warnings/lib.rs b/tests/test_no_warnings/lib.rs
index 519e2ea..0c053e3 100644
--- a/tests/test_no_warnings/lib.rs
+++ b/tests/test_no_warnings/lib.rs
@@ -28,4 +28,6 @@
     clippy::upper_case_acronyms,
 )]
 
+extern crate core;
+
 include!(concat!(env!("OUT_DIR"), "/test_no_warnings.rs"));
diff --git a/tests/test_symbols/lib.rs b/tests/test_symbols/lib.rs
index c0a56da..fcc992a 100644
--- a/tests/test_symbols/lib.rs
+++ b/tests/test_symbols/lib.rs
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+extern crate core;
+
 use std::os::raw;
 
 pub mod gl {
diff --git a/tests/test_with_extensions/lib.rs b/tests/test_with_extensions/lib.rs
index 07a2a02..7dfe5f5 100644
--- a/tests/test_with_extensions/lib.rs
+++ b/tests/test_with_extensions/lib.rs
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+extern crate core;
+
 pub mod gl {
     #![allow(
         clippy::missing_safety_doc,