diff --git a/.github/workflows/conda.yaml b/.github/workflows/conda.yaml
index 6c3a719ee..8b7014a34 100644
--- a/.github/workflows/conda.yaml
+++ b/.github/workflows/conda.yaml
@@ -21,7 +21,7 @@ on:
         default: false
         type: boolean
       py_version:
-        default: '3.11'
+        default: '3.12'
         type: string
 
 # This is required for setup-miniconda / conda init
@@ -81,7 +81,7 @@ jobs:
       matrix:
         # NOTE On GH actions, macOS <=13 is Intel, whereas macOS >=14 will be ARM64
         os: ['ubuntu-latest', 'macos-13', 'macos-14', 'windows-latest']
-        py: ['3.8', '3.9', '3.10', '3.11']
+        py: ['3.8', '3.9', '3.10', '3.11', '3.12']
     
     runs-on: ${{ matrix.os }}
     
diff --git a/.github/workflows/gh_pages.yaml b/.github/workflows/gh_pages.yaml
index f5587d60c..ad71d4794 100644
--- a/.github/workflows/gh_pages.yaml
+++ b/.github/workflows/gh_pages.yaml
@@ -36,7 +36,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: '3.12'
       
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 5c0b7bad2..dfb47ae5c 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -18,7 +18,7 @@ on:
         default: false
         type: boolean
       py_version:
-        default: '3.10'
+        default: '3.12'
         type: string
       runner:
         default: 'ubuntu-latest'
@@ -111,7 +111,7 @@ jobs:
       matrix:
         # NOTE On GH actions, macOS <=13 is Intel, whereas macOS >=14 will be ARM64
         os: ['ubuntu-latest', 'macos-13', 'macos-14', 'windows-latest']
-        py: ['3.8', '3.9', '3.10', '3.11']
+        py: ['3.8', '3.9', '3.10', '3.11', '3.12']
         include:
           - os: ubuntu-latest
             wheel: dist/*manylinux_*_x86_64*.whl
@@ -252,7 +252,7 @@ jobs:
               "pdfium_ver": "latest",
               "test": "true",
               "publish": "${{ inputs.publish }}",
-              "py_version": "3.11"
+              "py_version": "3.12"
             }
   
   cleanup:
diff --git a/.github/workflows/test_release.yaml b/.github/workflows/test_release.yaml
index 3e1f4888d..d7e874111 100644
--- a/.github/workflows/test_release.yaml
+++ b/.github/workflows/test_release.yaml
@@ -18,7 +18,7 @@ jobs:
       matrix:
         # NOTE On GH actions, macOS <=13 is Intel, whereas macOS >=14 will be ARM64
         os: ['ubuntu-latest', 'macos-13', 'macos-14', 'windows-latest']
-        py: ['3.8', '3.9', '3.10', '3.11']
+        py: ['3.8', '3.9', '3.10', '3.11', '3.12']
     
     runs-on: ${{ matrix.os }}
     
diff --git a/.github/workflows/test_setup.yaml b/.github/workflows/test_setup.yaml
index d95230796..4903e7800 100644
--- a/.github/workflows/test_setup.yaml
+++ b/.github/workflows/test_setup.yaml
@@ -21,7 +21,7 @@ jobs:
       matrix:
         # NOTE On GH actions, macOS <=13 is Intel, whereas macOS >=14 will be ARM64
         os: ['ubuntu-latest', 'macos-13', 'macos-14', 'windows-latest']
-        py: ['3.8', '3.9', '3.10', '3.11']
+        py: ['3.8', '3.9', '3.10', '3.11', '3.12']
     
     runs-on: ${{ matrix.os }}
     
diff --git a/.github/workflows/test_sourcebuild.yaml b/.github/workflows/test_sourcebuild.yaml
index 865160332..3bef3aec2 100644
--- a/.github/workflows/test_sourcebuild.yaml
+++ b/.github/workflows/test_sourcebuild.yaml
@@ -32,7 +32,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: '3.12'
       
       - name: Check out pypdfium2 repository
         uses: actions/checkout@v4
diff --git a/.github/workflows/trigger_conda_raw.yaml b/.github/workflows/trigger_conda_raw.yaml
index e1484294b..f323e6d09 100644
--- a/.github/workflows/trigger_conda_raw.yaml
+++ b/.github/workflows/trigger_conda_raw.yaml
@@ -25,5 +25,5 @@ jobs:
               "pdfium_ver": "latest",
               "test": "true",
               "publish": "true",
-              "py_version": "3.11"
+              "py_version": "3.12"
             }
diff --git a/.github/workflows/trigger_main.yaml b/.github/workflows/trigger_main.yaml
index 01c1b755e..f9a0c44f2 100644
--- a/.github/workflows/trigger_main.yaml
+++ b/.github/workflows/trigger_main.yaml
@@ -29,6 +29,6 @@ jobs:
               "test": "true",
               "publish": "true",
               "conda": "true",
-              "py_version": "3.10",
+              "py_version": "3.12",
               "runner": "ubuntu-latest"
             }
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 458dac4bb..b9de23cb2 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -15,7 +15,7 @@ sphinx:
 build:
   os: ubuntu-22.04
   tools:
-    python: '3.10'
+    python: '3.12'
   jobs:
     post_checkout:
       # quick fix for git describe