diff --git a/Cargo.lock b/Cargo.lock
index 6392adf..029c584 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -297,7 +297,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "gfx-backend-dx11"
 version = "0.1.0"
-source = "git+https://github.com/gfx-rs/gfx#513acbc7b4876bdf2499328ddf383a2e7f6d034f"
+source = "git+https://github.com/gfx-rs/gfx#14820d33a0b8e0363f78aae6df71d1bc60b9f367"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "derivative 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -314,7 +314,7 @@ dependencies = [
 [[package]]
 name = "gfx-backend-dx12"
 version = "0.1.0"
-source = "git+https://github.com/gfx-rs/gfx#513acbc7b4876bdf2499328ddf383a2e7f6d034f"
+source = "git+https://github.com/gfx-rs/gfx#14820d33a0b8e0363f78aae6df71d1bc60b9f367"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "derivative 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -330,7 +330,7 @@ dependencies = [
 [[package]]
 name = "gfx-backend-metal"
 version = "0.1.0"
-source = "git+https://github.com/gfx-rs/gfx#513acbc7b4876bdf2499328ddf383a2e7f6d034f"
+source = "git+https://github.com/gfx-rs/gfx#14820d33a0b8e0363f78aae6df71d1bc60b9f367"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "block 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -351,7 +351,7 @@ dependencies = [
 [[package]]
 name = "gfx-backend-vulkan"
 version = "0.1.0"
-source = "git+https://github.com/gfx-rs/gfx#513acbc7b4876bdf2499328ddf383a2e7f6d034f"
+source = "git+https://github.com/gfx-rs/gfx#14820d33a0b8e0363f78aae6df71d1bc60b9f367"
 dependencies = [
  "ash 0.24.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -368,7 +368,7 @@ dependencies = [
 [[package]]
 name = "gfx-hal"
 version = "0.1.0"
-source = "git+https://github.com/gfx-rs/gfx#513acbc7b4876bdf2499328ddf383a2e7f6d034f"
+source = "git+https://github.com/gfx-rs/gfx#14820d33a0b8e0363f78aae6df71d1bc60b9f367"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",