diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f9a15f41..824b7ef5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,6 +30,10 @@ jobs:
             python: "3.10"
           - os: ubuntu-latest
             python: "3.9"
+          - os: ubuntu-latest
+            python: "3.10"
+          - os: ubuntu-latest
+            python: "3.11.0-rc.2 - 3.11.0"
           - os: ubuntu-latest
             python: "pypy3.8"
           - os: ubuntu-latest
@@ -92,7 +96,7 @@ jobs:
       - name: Install Python packages
         run: |
           python -m pip install --upgrade pip wheel
-          python -m pip install .[test]
+          python -m pip install --prefer-binary .[test]
 
       - name: Report versions
         run: |
@@ -118,7 +122,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest]
-        python: ["3.9", "3.10"]
+        python: ["3.9", "3.10"] # 2022-09-20: pikepdf/lxml not available for cp311
 
     env:
       OS: ${{ matrix.os }}
@@ -148,7 +152,7 @@ jobs:
       - name: Install Python packages
         run: |
           python -m pip install --upgrade pip wheel
-          python -m pip install .[test]
+          python -m pip install --prefer-binary .[test]
 
       - name: Report versions
         run: |
@@ -173,7 +177,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest]
-        python: ["3.9", "3.10"]
+        python: ["3.9", "3.10"] # 2022-09-20: pikepdf/lxml not available for cp311
 
     env:
       OS: ${{ matrix.os }}
@@ -197,7 +201,7 @@ jobs:
       - name: Install Python packages
         run: |
           python -m pip install --upgrade pip wheel
-          python -m pip install .[test]
+          python -m pip install --prefer-binary .[test]
 
       - name: Test
         run: |
diff --git a/pyproject.toml b/pyproject.toml
index 24ab6659..ce072676 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
   "img2pdf>=0.3.0", # pure Python
   "packaging>=20",
   "pdfminer.six!=20200720,>=20191110",
-  "pikepdf!=5.0.0,>=4.0.0",
+  "pikepdf>=5.0.1",
   "pluggy>=0.13.0",
   "reportlab>=3.5.66",
   "tqdm>=4",