diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dd277d62ab..6dfa30832f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
       fail-fast: false
       matrix:
         os:  [ubuntu-22.04, macos-12]
-        python-version: ['3.12']
+        python-version: ['3.13-dev']
         tests: [functional]
 
     env:
@@ -74,22 +74,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - {os: ubuntu-22.04, python-version: '3.12', tracdb: sqlite,     tests: functional}
-        - {os: ubuntu-22.04, python-version: '3.12', tracdb: postgresql, tests: functional}
-        - {os: ubuntu-22.04, python-version: '3.12', tracdb: mysql,      tests: functional}
-        - {os: ubuntu-22.04, python-version: '3.12', tracdb: ''}
-        - {os: ubuntu-22.04, python-version: '3.11', tracdb: ''}
-        - {os: ubuntu-22.04, python-version: '3.10', tracdb: ''}
-        - {os: ubuntu-22.04, python-version: '3.9',  tracdb: ''}
-        - {os: ubuntu-22.04, python-version: '3.8',  tracdb: ''}
-        - {os: ubuntu-22.04, python-version: '3.7',  tracdb: ''}
-        - {os: ubuntu-20.04, python-version: '3.6',  tracdb: ''}
-        - {os: ubuntu-20.04, python-version: '3.5',  tracdb: ''}
-        - {os: macos-12,     python-version: '3.12', tracdb: sqlite,     tests: functional}
-        - {os: macos-12,     python-version: '3.12', tracdb: postgresql}
-        - {os: macos-12,     python-version: '3.12', tracdb: mysql}
-        - {os: macos-12,     python-version: '3.12', tracdb: ''}
-        - {os: macos-12,     python-version: '3.11', tracdb: ''}
+        - {os: ubuntu-22.04, python-version: '3.13-dev', tracdb: sqlite,     tests: functional}
+        - {os: macos-12,     python-version: '3.13-dev', tracdb: sqlite,     tests: functional}
 
     env:
       MATRIX_OS: ${{ matrix.os }}
@@ -152,16 +138,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - {os: ubuntu-22.04, python-version: '3.12'}
-        - {os: ubuntu-22.04, python-version: '3.11'}
-        - {os: ubuntu-22.04, python-version: '3.10'}
-        - {os: ubuntu-22.04, python-version: '3.9'}
-        - {os: ubuntu-22.04, python-version: '3.8'}
-        - {os: ubuntu-22.04, python-version: '3.7'}
-        - {os: ubuntu-20.04, python-version: '3.6'}
-        - {os: ubuntu-20.04, python-version: '3.5'}
-        - {os: macos-12,     python-version: '3.12'}
-        - {os: macos-12,     python-version: '3.11'}
+        - {os: ubuntu-22.04, python-version: '3.13-dev'}
+        - {os: macos-12,     python-version: '3.13-dev'}
 
     env:
       MATRIX_OS: ${{ matrix.os }}
@@ -221,7 +199,7 @@ jobs:
       matrix:
         os: [windows-2022]
         architecture: [x64]
-        python-version: ['3.12']
+        python-version: ['3.13-dev']
         tests: [functional]
 
     env:
@@ -274,7 +252,7 @@ jobs:
       matrix:
         os: [windows-2022]
         architecture: [x64]
-        python-version: ['3.12']
+        python-version: ['3.13-dev']
         subversion-version: ['1.14.3']
         tracdb: ['', sqlite, postgresql, mysql]
         include:
@@ -340,7 +318,7 @@ jobs:
       matrix:
         os: [windows-2022]
         architecture: [x64]
-        python-version: ['3.12']
+        python-version: ['3.13-dev']
         subversion-version: ['1.14.3']
 
     env:
@@ -422,7 +400,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-22.04]
-        python-version: ['3.12']
+        python-version: ['3.13-dev']
 
     needs: [posix-test-minimum, posix-test, windows-test-minimum, windows-test]