diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index f947368..41d691a 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         os: [ ubuntu, macos ]
         hhvm:
-          - '4.60'
+          - '4.76'
           - latest
           - nightly
     runs-on: ${{matrix.os}}-latest
diff --git a/composer.json b/composer.json
index 17ec18c..691df71 100644
--- a/composer.json
+++ b/composer.json
@@ -7,11 +7,11 @@
     }
   },
   "require": {
-    "hhvm": "^4.60",
+    "hhvm": "^4.76",
     "hhvm/hsl": "^4.0",
     "hhvm/type-assert": "^4.0",
     "hhvm/hsl-experimental": "^4.58.0rc1",
-    "hhvm/hsl-io": "^0.2.0"
+    "hhvm/hsl-io": "^0.3.0"
   },
   "require-dev": {
     "facebook/fbexpect": "^2.6.1",
diff --git a/tests/InteractivityTest.hack b/tests/InteractivityTest.hack
index e4cd325..2ce448c 100644
--- a/tests/InteractivityTest.hack
+++ b/tests/InteractivityTest.hack
@@ -72,7 +72,7 @@ final class InteractivityTest extends TestCase {
     concurrent {
       $ret = await $cli->mainAsync();
       await async {
-        expect(await $out->readAsync())->toEqual('> ');
+        expect(await $out->readAllowPartialSuccessAsync())->toEqual('> ');
         await $in->writeAllAsync("exit 123\n");
         $in->close();
       };