diff --git a/glsl-to-spirv/Cargo.toml b/glsl-to-spirv/Cargo.toml
index f13f54b6..7f8956db 100644
--- a/glsl-to-spirv/Cargo.toml
+++ b/glsl-to-spirv/Cargo.toml
@@ -6,6 +6,7 @@ repository = "https://github.com/tomaka/vulkano"
 description = "Wrapper around the official GLSL to SPIR-V compiler"
 license = "MIT/Apache-2.0"
 build = "build/build.rs"
+categories = ["rendering::graphics-api"]
 
 [dependencies]
 tempdir = "0.3.5"
diff --git a/vk-sys/Cargo.toml b/vk-sys/Cargo.toml
index b0fc3019..fbbd9f00 100644
--- a/vk-sys/Cargo.toml
+++ b/vk-sys/Cargo.toml
@@ -7,3 +7,4 @@ description = "Bindings for the Vulkan graphics API"
 license = "MIT/Apache-2.0"
 documentation = "https://docs.rs/vk-sys"
 keywords = ["vulkan", "bindings", "graphics", "gpu"]
+categories = ["rendering::graphics-api"]
diff --git a/vulkano-shaders/Cargo.toml b/vulkano-shaders/Cargo.toml
index 6a86dcb6..a1bc0290 100644
--- a/vulkano-shaders/Cargo.toml
+++ b/vulkano-shaders/Cargo.toml
@@ -6,6 +6,7 @@ repository = "https://github.com/tomaka/vulkano"
 description = "Shaders "
 license = "MIT/Apache-2.0"
 documentation = "http://tomaka.github.io/vulkano/vulkano/index.html"
+categories = ["rendering::graphics-api"]
 
 [dependencies]
 glsl-to-spirv = { version = "0.1.2", path = "../glsl-to-spirv" }
diff --git a/vulkano-win/Cargo.toml b/vulkano-win/Cargo.toml
index 9f5e371e..c8b1d86b 100644
--- a/vulkano-win/Cargo.toml
+++ b/vulkano-win/Cargo.toml
@@ -5,6 +5,7 @@ authors = ["Pierre Krieger <pierre.krieger1708@gmail.com>"]
 repository = "https://github.com/tomaka/vulkano"
 description = "Link between vulkano and winit"
 license = "MIT/Apache-2.0"
+categories = ["rendering::graphics-api"]
 
 [dependencies]
 vulkano = { version = "0.3.0", path = "../vulkano" }
diff --git a/vulkano/Cargo.toml b/vulkano/Cargo.toml
index 45297bb7..1567a4cc 100644
--- a/vulkano/Cargo.toml
+++ b/vulkano/Cargo.toml
@@ -6,6 +6,7 @@ repository = "https://github.com/tomaka/vulkano"
 description = "Safe wrapper for the Vulkan graphics API"
 license = "MIT/Apache-2.0"
 documentation = "https://docs.rs/vulkano"
+categories = ["rendering::graphics-api"]
 
 [dependencies]
 crossbeam = "0.2.10"