diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e88eed3..714c865 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,7 @@ test-default:
       - cargo/
       - target/
 
-test-all:
+test-full:
   stage: test
   image: rust:1.42-slim
   before_script:
@@ -28,7 +28,7 @@ test-all:
     - apt install -y --no-install-recommends libpq-dev
     - cargo -V
   script:
-    - cargo test --workspace --all-features
+    - cargo test --no-default-features --features full
   cache:
     key: cargo-1-42-all
     paths:
@@ -64,7 +64,7 @@ test-trybuild-ui:
     - apt install -y --no-install-recommends libpq-dev
     - cargo -V
   script:
-    - cargo test --workspace --all-features --tests -- --ignored
+    - cargo test --no-default-features --features full --tests -- --ignored
   cache:
     key: cargo-1-48-all
     paths:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a0929d..7248bc2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
  - The cors handler can now copy headers from the request if desired
  - All fields of `Response` are now private
+ - If not enabling the `openapi` feature, `without-openapi` has to be enabled
 
 ## [0.1.1] - 2020-12-28
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index 2d7d073..c7ad1b4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,11 +46,16 @@ thiserror = "1.0.18"
 trybuild = "1.0.27"
 
 [features]
-default = ["cors", "errorlog"]
+default = ["cors", "errorlog", "without-openapi"]
+full = ["auth", "cors", "database", "errorlog", "openapi"]
+
 auth = ["gotham_restful_derive/auth", "base64", "cookie", "jsonwebtoken"]
 cors = []
-errorlog = []
 database = ["gotham_restful_derive/database", "gotham_middleware_diesel"]
+errorlog = []
+
+# These features are exclusive - https://gitlab.com/msrd0/gotham-restful/-/issues/4
+without-openapi = []
 openapi = ["gotham_restful_derive/openapi", "indexmap", "openapiv3"]
 
 [package.metadata.docs.rs]
diff --git a/src/lib.rs b/src/lib.rs
index 24e8297..9096bbe 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -378,6 +378,12 @@ directory, that might help you. Any help writing more examples is highly appreci
  [`State`]: ../gotham/state/struct.State.html
 */
 
+#[cfg(all(feature = "openapi", feature = "without-openapi"))]
+compile_error!("The 'openapi' and 'without-openapi' features cannot be combined");
+
+#[cfg(all(not(feature = "openapi"), not(feature = "without-openapi")))]
+compile_error!("Either the 'openapi' or 'without-openapi' feature needs to be enabled");
+
 // weird proc macro issue
 extern crate self as gotham_restful;