diff --git a/.github/workflows/mops-test.yml b/.github/workflows/mops-test.yml
index 92d6783..6db078f 100644
--- a/.github/workflows/mops-test.yml
+++ b/.github/workflows/mops-test.yml
@@ -12,16 +12,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: 18
-
-      - name: install moc
-        run: npx mocv use latest
-
-      - name: install mops
-        run: npm i ic-mops -g
+          node-version: 20
+      - uses: ZenVoich/setup-mops@v1
 
       - name: install mops packages
         run: mops install
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d3f851..c8737ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+## 2.0.0
+
+- Requires `moc` version `0.11.0` or higher.
+- Added `testsys` function to run tests with `system` capability. (by @skilesare)
+
+Example:
+```motoko
+testsys<system>("test", func<system>() {
+  myFunc<system>();
+});
+```
+
 ## 1.2.0
 
 - Fixed test run in `wasi` mode
diff --git a/README.md b/README.md
index 582fbf8..291766b 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,17 @@ await suite("my async test suite", func() : async () {
 });
 ```
 
+## Tests with `<system>` capability
+Use `testsys` to run tests with `system` capability.
+
+```motoko
+import {testsys} "mo:test";
+
+testsys<system>("test", func<system>() {
+    myFunc<system>();
+});
+```
+
 # Expect
 
 ```motoko
diff --git a/mops.toml b/mops.toml
index 7661beb..bd086d7 100644
--- a/mops.toml
+++ b/mops.toml
@@ -7,4 +7,11 @@ keywords = [ "test", "testing", "unit", "suite", "expect", "matchers", "mops" ]
 license = "MIT"
 
 [dependencies]
-base = "0.10.2"
\ No newline at end of file
+base = "0.11.1"
+
+[toolchain]
+moc = "0.11.1"
+wasmtime = "19.0.0"
+
+[requirements]
+moc = "0.11.0"
\ No newline at end of file
diff --git a/src/async.mo b/src/async.mo
index f528ffd..15d28a7 100644
--- a/src/async.mo
+++ b/src/async.mo
@@ -9,11 +9,17 @@ module {
 		Debug.print("mops:1:end " # name);
 	};
 
+	public func testsys<system>(name : Text, fn : <system>() -> async ()) : async () {
+		Debug.print("mops:1:start " # name);
+		await fn<system>();
+		Debug.print("mops:1:end " # name);
+	};
+
 	public func suite(name : Text, fn : () -> async ()) : async () {
 		await test(name, fn);
 	};
 
-	public func skip(name : Text, fn : () -> async ()) : async () {
+	public func skip(name : Text, _fn : () -> async ()) : async () {
 		Debug.print("mops:1:skip " # name);
 	};
 
diff --git a/src/lib.mo b/src/lib.mo
index 3968fa6..4f7cafa 100644
--- a/src/lib.mo
+++ b/src/lib.mo
@@ -18,7 +18,7 @@ module {
 		test(name, fn);
 	};
 
-	public func skip(name : Text, fn : () -> ()) {
+	public func skip(name : Text, _fn : () -> ()) {
 		Debug.print("mops:1:skip " # name);
 	};
 
diff --git a/test/async.test.mo b/test/async.test.mo
index e2de5eb..d650aad 100644
--- a/test/async.test.mo
+++ b/test/async.test.mo
@@ -1,16 +1,16 @@
 import Debug "mo:base/Debug";
 import {suite; test} "../src/async";
 
-await suite("async suite", func(): async () {
-	await test("async test", func(): async () {
+await suite("async suite", func() : async () {
+	await test("async test", func() : async () {
 		assert true;
 	});
 
-	await test("async test", func(): async () {
+	await test("async test", func() : async () {
 		assert true;
 	});
 });
 
-await test("sole async test", func(): async () {
+await test("sole async test", func() : async () {
 	assert true;
 });
\ No newline at end of file
diff --git a/test/system-async.test.mo b/test/system-async.test.mo
new file mode 100644
index 0000000..e6db72b
--- /dev/null
+++ b/test/system-async.test.mo
@@ -0,0 +1,18 @@
+import Debug "mo:base/Debug";
+import {test; testsys} "../src/async";
+
+func sys<system>() {};
+
+await test("test", func() : async () {
+	assert true;
+});
+
+testsys<system>("test 1", func<system>() : async() {
+	await testsys<system>("test 1.1", func<system>() : async() {
+		sys<system>();
+	});
+
+	await testsys<system>("test 1.2", func<system>() : async() {
+		sys<system>();
+	});
+});
\ No newline at end of file
diff --git a/test/system.test.mo b/test/system.test.mo
new file mode 100644
index 0000000..d8dd095
--- /dev/null
+++ b/test/system.test.mo
@@ -0,0 +1,18 @@
+import Debug "mo:base/Debug";
+import {test; testsys} "../src";
+
+func sys<system>() {};
+
+test("test", func() {
+	assert true;
+});
+
+testsys<system>("test 1", func<system>() {
+	testsys<system>("test 1.1", func<system>() {
+		sys<system>();
+	});
+
+	testsys<system>("test 1.2", func<system>() {
+		sys<system>();
+	});
+});
\ No newline at end of file