diff --git a/Earthfile b/Earthfile
index 33eaa695..2dfdc21a 100644
--- a/Earthfile
+++ b/Earthfile
@@ -209,6 +209,15 @@ run.n:
     RUN haxe client.hxml
     SAVE ARTIFACT run.n AS LOCAL run.n
 
+haxelib-binary:
+    FROM +devcontainer
+    COPY .git .git
+    COPY src src
+    COPY hx3compat hx3compat
+    COPY client_cpp.hxml haxelib.json .
+    RUN haxe client_cpp.hxml
+    SAVE ARTIFACT haxelib AS LOCAL haxelib
+
 package-haxelib:
     FROM +devcontainer-base
     COPY src src
@@ -518,6 +527,7 @@ ci-tests:
     # for package.hxml
     COPY haxelib.json README.md .
     COPY +run.n/run.n .
+    COPY +haxelib-binary/haxelib .
 
     COPY +ci-runner/ci.n bin/ci.n
     ENV HAXELIB_SERVER=localhost
diff --git a/libs.hxml b/libs.hxml
index ef9ca5b3..02cf8bac 100644
--- a/libs.hxml
+++ b/libs.hxml
@@ -29,4 +29,5 @@
 -cmd curl -sSLk https://lib.haxe.org/files/3.0/ufront-2,0,0.zip -o haxelib_global/ufront.zip && neko run.n install --always --skip-dependencies haxelib_global/ufront.zip
 -cmd curl -sSLk https://lib.haxe.org/files/3.0/utest-1,9,6.zip -o haxelib_global/utest.zip && neko run.n install --always --skip-dependencies haxelib_global/utest.zip
 -cmd curl -sSLk https://lib.haxe.org/files/3.0/hxnodejs-12,1,0.zip -o haxelib_global/hxnodejs.zip && neko run.n install --always --skip-dependencies haxelib_global/hxnodejs.zip
+-cmd curl -sSLk https://lib.haxe.org/files/3.0/hxcpp-4,3,2.zip -o haxelib_global/hxcpp.zip && neko run.n install --always --skip-dependencies haxelib_global/hxcpp.zip
 -cmd neko run.n dev record-macros lib/record-macros
diff --git a/test/IntegrationTests.hx b/test/IntegrationTests.hx
index 532c1466..cc6f2b19 100644
--- a/test/IntegrationTests.hx
+++ b/test/IntegrationTests.hx
@@ -97,6 +97,8 @@ class IntegrationTests extends TestBase {
 	function haxelib(args:Array<String>, ?input:String):Process {
 		final p = #if system_haxelib
 			new Process("haxelib", ["-R", serverUrl].concat(args));
+		#elseif haxelib_path
+			new Process(haxe.macro.Compiler.getDefine("haxelib_path"), ["-R", serverUrl].concat(args));
 		#else
 			new Process("neko", [haxelibBin, "-R", serverUrl].concat(args));
 		#end
diff --git a/test/RunCi.hx b/test/RunCi.hx
index 268b178e..40c4dd0f 100644
--- a/test/RunCi.hx
+++ b/test/RunCi.hx
@@ -370,19 +370,6 @@ Listen 2000
 	}
 
 	static function integrationTests():Void {
-		function test():Void {
-			switch (Sys.getEnv("TRAVIS_HAXE_VERSION")) {
-				case null, "development":
-					runCommand("haxe", ["integration_tests.hxml"]);
-				case "3.1.3":
-					runCommand("haxe", ["integration_tests.hxml", "-D", "system_haxelib"]);
-				case _:
-					runCommand("haxe", ["integration_tests.hxml"]);
-					runCommand("neko", ["bin/integration_tests.n"]);
-					runCommand("haxe", ["integration_tests.hxml", "-D", "system_haxelib"]);
-			}
-			runCommand("neko", ["bin/integration_tests.n"]);
-		}
 		var dbConfigPath = Path.join(["www", "dbconfig.json"]);
 		saveContent(dbConfigPath, Json.stringify({
 			user: Sys.getEnv("HAXELIB_DB_USER"),
@@ -391,7 +378,14 @@ Listen 2000
 			port: Std.parseInt(Sys.getEnv("HAXELIB_DB_PORT")),
 			database: Sys.getEnv("HAXELIB_DB_NAME"),
 		}, "\t"));
-		test();
+		runCommand("haxe", ["integration_tests.hxml"]);
+		runCommand("neko", ["bin/integration_tests.n"]);
+		runCommand("haxe", [
+			"integration_tests.hxml",
+			"-D",
+			'haxelib_path=${Path.join([Sys.getCwd(), "haxelib"])}'
+		]);
+		runCommand("neko", ["bin/integration_tests.n"]);
 	}
 
 	static function deploy():Void {