diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 37d78d26..d9e25498 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -68,6 +68,7 @@ jobs:
             cargo test -p utoipa --features openapi_extensions,yaml
           elif [[ "${{ matrix.testset }}" == "utoipa-gen" ]] && [[ ${{ steps.changes.outputs.gen_changed }} == true ]]; then
             cargo test -p utoipa-gen --features utoipa/actix_extras,chrono,decimal,json,utoipa/uuid,utoipa/json
+            cargo test -p utoipa-gen --test schema_derive_test --features json,utoipa/json,utoipa/time,time
 
             cargo test -p utoipa-gen --test path_response_derive_test_no_serde_json --no-default-features
             cargo test -p utoipa-gen --test schema_derive_no_serde_json --no-default-features
diff --git a/scripts/test.sh b/scripts/test.sh
index 6ee99bcd..c8a88873 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -10,6 +10,7 @@ if [[ "$crate" == "utoipa" ]]; then
     cargo test -p utoipa --features openapi_extensions
 elif [[ "$crate" == "utoipa-gen" ]]; then
     cargo test -p utoipa-gen --features utoipa/actix_extras,chrono,decimal,json,utoipa/uuid,utoipa/json
+    cargo test -p utoipa-gen --test schema_derive_test --features json,utoipa/json,utoipa/time,time
 
     cargo test -p utoipa-gen --test path_response_derive_test_no_serde_json --no-default-features
     cargo test -p utoipa-gen --test schema_derive_no_serde_json --no-default-features
diff --git a/utoipa-gen/Cargo.toml b/utoipa-gen/Cargo.toml
index 706700f4..1d654053 100644
--- a/utoipa-gen/Cargo.toml
+++ b/utoipa-gen/Cargo.toml
@@ -35,6 +35,7 @@ smallvec = { version = "1.9.0", features = [ "serde" ] }
 rust_decimal = "1"
 chrono = { version  = "0.4", features = ["serde"] }
 assert-json-diff = "2"
+time = { version = "0.3.11", features = [ "serde-human-readable" ] }
 
 [features]
 debug = []