diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e533b87c..08332857 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,11 +8,11 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [18.x]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install
@@ -23,11 +23,11 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x]
+        node-version: [14.x, 16.x, 18.x, 20.x]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install
@@ -44,9 +44,9 @@ jobs:
         node-version: [16.x]
         bundler: [webpack, browserify]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install
@@ -64,9 +64,9 @@ jobs:
       matrix:
         node-version: [16.x]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install
@@ -78,11 +78,11 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [18.x]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 54d23fe0..4e66ae78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
   and identifiers.
   - Skip test with 'U' escapes. Will enable when [rdf-canonize][] dependency is
     updated.
+- Test on Node.js 20.x.
 
 ## 8.1.1 - 2023-02-25
 
diff --git a/lib/expand.js b/lib/expand.js
index 2695a415..559079e9 100644
--- a/lib/expand.js
+++ b/lib/expand.js
@@ -634,7 +634,7 @@ async function _expandObject({
           }
           return v;
         }),
-        {propertyIsArray: options.isFrame});
+        {propertyIsArray: !!options.isFrame});
       continue;
     }
 
@@ -775,8 +775,7 @@ async function _expandObject({
 
       expandedValue = await api.expand({
         activeCtx,
-        activeProperty:
-        '@reverse',
+        activeProperty: '@reverse',
         element: value,
         options
       });
@@ -881,7 +880,7 @@ async function _expandObject({
       });
     } else {
       // recurse into @list or @set
-      const isList = (expandedProperty === '@list');
+      const isList = expandedProperty === '@list';
       if(isList || expandedProperty === '@set') {
         let nextActiveProperty = activeProperty;
         if(isList && expandedActiveProperty === '@graph') {
diff --git a/package.json b/package.json
index acad97e8..a2d0cea9 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "lib/**/*.js"
   ],
   "dependencies": {
-    "@digitalbazaar/http-client": "^3.2.0",
+    "@digitalbazaar/http-client": "^3.4.1",
     "canonicalize": "^1.0.1",
     "lru-cache": "^6.0.0",
     "rdf-canonize": "^3.0.0"