diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e297030b..e135d249 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -110,7 +110,7 @@ jobs:
       matrix:
         os:
           - macos-latest
-          # - ubuntu-latest
+          - ubuntu-latest
           # - windows-latest
         sdk:
           - latest
@@ -161,7 +161,7 @@ jobs:
       matrix:
         os:
           - macos-latest
-          # - ubuntu-latest
+          - ubuntu-latest
           # - windows-latest
         sdk:
           - latest
diff --git a/Cargo.lock b/Cargo.lock
index 48811522..736bfaf4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -362,7 +362,7 @@ dependencies = [
 
 [[package]]
 name = "cargo-playdate"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
  "anyhow",
  "byteorder",
@@ -1973,9 +1973,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
 
 [[package]]
 name = "libgit2-sys"
@@ -2574,7 +2574,7 @@ dependencies = [
 
 [[package]]
 name = "playdate-sys"
-version = "0.1.4"
+version = "0.1.5"
 dependencies = [
  "heapless",
  "playdate-bindgen",
@@ -3393,9 +3393,9 @@ checksum = "98e90c70c9f0d4d1ee6d0a7d04aa06cb9bbd53d8cfbdd62a0269a7c2eb640552"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
 [[package]]
 name = "unicode-normalization"
diff --git a/api/sys/Cargo.toml b/api/sys/Cargo.toml
index ccde9694..b87abb47 100644
--- a/api/sys/Cargo.toml
+++ b/api/sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "playdate-sys"
-version = "0.1.4"
+version = "0.1.5"
 edition = "2021"
 build = "src/build.rs"
 
diff --git a/api/sys/src/lib.rs b/api/sys/src/lib.rs
index 33721a15..7af972ae 100644
--- a/api/sys/src/lib.rs
+++ b/api/sys/src/lib.rs
@@ -124,7 +124,8 @@ pub mod misc {
 
 			#[doc(hidden)]
 			#[no_mangle]
-			#[cfg(target_os = "windows")]
+			// it not needed on MacOS
+			#[cfg(not(target_os = "macos"))]
 			// TODO: Somehow link with proper impl: https://stackoverflow.com/q/76439798/829264
 			pub extern "C" fn _sbrk() {}
 		};
diff --git a/cargo/Cargo.toml b/cargo/Cargo.toml
index dda6faef..c1bde2a7 100644
--- a/cargo/Cargo.toml
+++ b/cargo/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cargo-playdate"
-version = "0.1.2"
+version = "0.1.3"
 edition = "2021"
 
 readme = "README.md"
diff --git a/cargo/tests/build/simple.rs b/cargo/tests/build/simple.rs
index 09d7ef88..f9684a6e 100644
--- a/cargo/tests/build/simple.rs
+++ b/cargo/tests/build/simple.rs
@@ -98,6 +98,12 @@ fn dev_lib_debug() -> Result<()> {
 }
 
 
+fn dylib_name() -> String {
+	const DYLIB_EXT: &str = dylib_suffix_for_host();
+	"pdex.".to_owned() + DYLIB_EXT
+}
+
+
 #[test]
 /// target: default host
 fn sim_host_release() -> Result<()> {
@@ -112,7 +118,7 @@ fn sim_host_release() -> Result<()> {
 		let cargo_target_fullname = format!("{cargo_package_name}-{LIB_NAME}");
 		let artifact = export_dir.join("playdate")
 		                         .join(cargo_target_fullname)
-		                         .join(PathBuf::from("build/pdex.dylib"));
+		                         .join(PathBuf::from("build/").join(dylib_name()));
 		test_artifact_sim(&artifact, false)
 	}
 
@@ -131,7 +137,7 @@ fn sim_host_debug() -> Result<()> {
 		let cargo_target_fullname = format!("{cargo_package_name}-{LIB_NAME}");
 		let artifact = export_dir.join("playdate")
 		                         .join(cargo_target_fullname)
-		                         .join(PathBuf::from("build/pdex.dylib"));
+		                         .join(PathBuf::from("build/").join(dylib_name()));
 		test_artifact_sim(&artifact, false)
 	}
 
@@ -152,7 +158,7 @@ fn sim_host_release_exp() -> Result<()> {
 		let cargo_target_fullname = format!("{cargo_package_name}-{LIB_NAME}");
 		let artifact = export_dir.join("playdate")
 		                         .join(cargo_target_fullname)
-		                         .join(PathBuf::from("build/pdex.dylib"));
+		                         .join(PathBuf::from("build/").join(dylib_name()));
 		test_artifact_sim(&artifact, false)
 	}
 
@@ -171,7 +177,7 @@ fn dev_sim_release_exp() -> Result<()> {
 	                                                           .map(OsStr::new);
 	let expectations = [
 	                    ("pdex.elf", dev_target, true),
-	                    ("pdex.dylib", &host_target, false),
+	                    (&dylib_name(), &host_target, false),
 	];
 
 	for path in simple_crates()? {
@@ -283,7 +289,7 @@ mod examples {
 
 		let expectations = [
 		                    ("pdex.elf", dev_target, true),
-		                    ("pdex.dylib", &host_target, false),
+		                    (&dylib_name(), &host_target, false),
 		];
 
 		for path in simple_crates()? {
diff --git a/cargo/tests/crates/simple/bin.rs b/cargo/tests/crates/simple/bin.rs
index 363f17a6..97f807d5 100644
--- a/cargo/tests/crates/simple/bin.rs
+++ b/cargo/tests/crates/simple/bin.rs
@@ -6,4 +6,5 @@ extern crate game;
 use game::eventHandlerShim;
 
 #[used]
-pub static EVENT_HANDLER_SHIM: extern "C" fn(*const pd::ffi::PlaydateAPI, pd::ffi::PDSystemEvent, u32) -> i32 = eventHandlerShim;
+pub static EVENT_HANDLER_SHIM: extern "C" fn(*const pd::ffi::PlaydateAPI, pd::ffi::PDSystemEvent, u32) -> i32 =
+	eventHandlerShim;