diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index 4db28b1..6811279 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -18,19 +18,16 @@ jobs:
       OS: 'linux'
     timeout-minutes: 2
     steps:
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: static-pip-${{ hashFiles('setup.py') }}
           restore-keys: static-pip-
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
-          # TODO: check with Python 3, but need to fix the
-          # errors first
           python-version: '3.8'
           architecture: 'x64'
-      - run: python -m pip install --upgrade pip setuptools
       - run: pip install -e .[test]
       - name: Pylint checks
         run: pylint pylsp_jsonrpc test
diff --git a/.github/workflows/test-linux.yml b/.github/workflows/test-linux.yml
index 8049e99..846c70f 100644
--- a/.github/workflows/test-linux.yml
+++ b/.github/workflows/test-linux.yml
@@ -23,17 +23,16 @@ jobs:
         PYTHON_VERSION: ['3.10', '3.9', '3.8']
     timeout-minutes: 10
     steps:
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-${{ matrix.PYTHON_VERSION }}-pip-${{ hashFiles('setup.py') }}
           restore-keys: ${{ runner.os }}-${{ matrix.PYTHON_VERSION }}-pip-
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.PYTHON_VERSION }}
           architecture: 'x64'
-      - run: python -m pip install --upgrade pip setuptools
       - run: pip install -e .[all,test]
       - run: pytest -v test/
       # Enable this if SSH debugging is required
diff --git a/.github/workflows/test-mac.yml b/.github/workflows/test-mac.yml
index 38723f9..a0fcbce 100644
--- a/.github/workflows/test-mac.yml
+++ b/.github/workflows/test-mac.yml
@@ -12,7 +12,7 @@ on:
 jobs:
   build:
     name: Mac Py${{ matrix.PYTHON_VERSION }}
-    runs-on: macos-latest
+    runs-on: macos-13
     env:
       CI: 'true'
       OS: 'macos'
@@ -23,17 +23,16 @@ jobs:
         PYTHON_VERSION: ['3.10', '3.9', '3.8']
     timeout-minutes: 10
     steps:
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/Library/Caches/pip
           key: ${{ runner.os }}-${{ matrix.PYTHON_VERSION }}-pip-${{ hashFiles('setup.py') }}
           restore-keys: ${{ runner.os }}-${{ matrix.PYTHON_VERSION }}-pip-
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.PYTHON_VERSION }}
           architecture: 'x64'
-      - run: python -m pip install --upgrade pip setuptools
       - run: pip install -e .[all,test]
       - run: pytest -v test/
       # Enable this if SSH debugging is required
diff --git a/.github/workflows/test-win.yml b/.github/workflows/test-win.yml
index 9785fb2..a089f1b 100644
--- a/.github/workflows/test-win.yml
+++ b/.github/workflows/test-win.yml
@@ -23,16 +23,15 @@ jobs:
         PYTHON_VERSION: ['3.10', '3.9', '3.8']
     timeout-minutes: 10
     steps:
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~\AppData\Local\pip\Cache
           key: ${{ runner.os }}-${{ matrix.PYTHON_VERSION }}-pip-${{ hashFiles('setup.py') }}
           restore-keys: ${{ runner.os }}-${{ matrix.PYTHON_VERSION }}-pip-
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.PYTHON_VERSION }}
           architecture: 'x64'
-      - run: python -m pip install --upgrade pip setuptools
       - run: pip install -e .[all,test]
       - run: pytest -v test/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fb0d196..45bc81a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # History of changes
 
+## Version 1.1.2 (2023/09/23)
+
+### Pull Requests Merged
+
+* [PR 26](https://github.com/python-lsp/python-lsp-jsonrpc/pull/26) - Fix tests so they're compatible with both ujson and pure json library, by [@ajohnston9](https://github.com/ajohnston9)
+
+In this release 1 pull request was closed.
+
+----
+
 ## Version 1.1.1 (2023/09/09)
 
 ### Issues Closed
diff --git a/test/test_streams.py b/test/test_streams.py
index 8ded7fe..14fe1bb 100644
--- a/test/test_streams.py
+++ b/test/test_streams.py
@@ -82,13 +82,20 @@ def test_writer(wfile, writer):
         'method': 'method',
         'params': {}
     })
-
-    assert wfile.getvalue() == (
-        b'Content-Length: 44\r\n'
-        b'Content-Type: application/vscode-jsonrpc; charset=utf8\r\n'
-        b'\r\n'
-        b'{"id":"hello","method":"method","params":{}}'
-    )
+    if 'ujson' in sys.modules:
+        assert wfile.getvalue() == (
+            b'Content-Length: 44\r\n'
+            b'Content-Type: application/vscode-jsonrpc; charset=utf8\r\n'
+            b'\r\n'
+            b'{"id":"hello","method":"method","params":{}}'
+        )
+    else:
+        assert wfile.getvalue() == (
+            b'Content-Length: 49\r\n'
+            b'Content-Type: application/vscode-jsonrpc; charset=utf8\r\n'
+            b'\r\n'
+            b'{"id": "hello", "method": "method", "params": {}}'
+        )
 
 
 class JsonDatetime(datetime.datetime):