diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 313f252a..e23a5232 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -52,7 +52,7 @@ FROM base
 
 # For Tesseract 5
 RUN apt-get update && apt-get install -y --no-install-recommends \
-  software-properties-common
+  software-properties-common gpg-agent
 RUN add-apt-repository -y ppa:alex-p/tesseract-ocr-devel
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bc02d363..045a3f04 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,9 +31,13 @@ jobs:
           - os: ubuntu-latest
             python: "3.9"
           - os: ubuntu-latest
-            python: "pypy3.8"
+            python: "3.10"
           - os: ubuntu-latest
-            python: "pypy3.9"
+            python: "3.11.0-rc.2 - 3.11.0"
+          # - os: ubuntu-latest
+          #   python: "pypy3.8"
+          #- os: ubuntu-latest
+          #  python: "pypy3.9"
           - os: ubuntu-latest
             python: "3.9"
             tesseract5: true
@@ -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/tests/test_validation.py b/tests/test_validation.py
index 192925f8..6472ad1f 100644
--- a/tests/test_validation.py
+++ b/tests/test_validation.py
@@ -98,6 +98,8 @@ def test_output_tty():
 
 
 def test_report_file_size(tmp_path, caplog):
+    logging.getLogger('pikepdf._qpdf').setLevel(logging.CRITICAL)  # Suppress logging
+
     in_ = tmp_path / 'a.pdf'
     out = tmp_path / 'b.pdf'
     pdf = pikepdf.new()