diff --git a/.github/workflows/test-datalad_catalog-maint.yaml b/.github/workflows/test-datalad_catalog-maint.yaml
index 6129a70..ba17fa1 100644
--- a/.github/workflows/test-datalad_catalog-maint.yaml
+++ b/.github/workflows/test-datalad_catalog-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_catalog-master.yaml b/.github/workflows/test-datalad_catalog-master.yaml
index 576c9fc..1a37ef7 100644
--- a/.github/workflows/test-datalad_catalog-master.yaml
+++ b/.github/workflows/test-datalad_catalog-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_container-maint.yaml b/.github/workflows/test-datalad_container-maint.yaml
index 2077419..a8c3284 100644
--- a/.github/workflows/test-datalad_container-maint.yaml
+++ b/.github/workflows/test-datalad_container-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_container-master.yaml b/.github/workflows/test-datalad_container-master.yaml
index 66f0c61..b7842d7 100644
--- a/.github/workflows/test-datalad_container-master.yaml
+++ b/.github/workflows/test-datalad_container-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_crawler-maint.yaml b/.github/workflows/test-datalad_crawler-maint.yaml
index d903856..3fb5aa1 100644
--- a/.github/workflows/test-datalad_crawler-maint.yaml
+++ b/.github/workflows/test-datalad_crawler-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_crawler-master.yaml b/.github/workflows/test-datalad_crawler-master.yaml
index c191213..4e73513 100644
--- a/.github/workflows/test-datalad_crawler-master.yaml
+++ b/.github/workflows/test-datalad_crawler-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_dataverse-maint.yaml b/.github/workflows/test-datalad_dataverse-maint.yaml
index 1e0da38..1fec5e5 100644
--- a/.github/workflows/test-datalad_dataverse-maint.yaml
+++ b/.github/workflows/test-datalad_dataverse-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_dataverse-master.yaml b/.github/workflows/test-datalad_dataverse-master.yaml
index 407c5f5..025c5ee 100644
--- a/.github/workflows/test-datalad_dataverse-master.yaml
+++ b/.github/workflows/test-datalad_dataverse-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_deprecated-maint.yaml b/.github/workflows/test-datalad_deprecated-maint.yaml
index fdf448f..a47032f 100644
--- a/.github/workflows/test-datalad_deprecated-maint.yaml
+++ b/.github/workflows/test-datalad_deprecated-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_deprecated-master.yaml b/.github/workflows/test-datalad_deprecated-master.yaml
index 03a0552..aff3d3a 100644
--- a/.github/workflows/test-datalad_deprecated-master.yaml
+++ b/.github/workflows/test-datalad_deprecated-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_fuse-maint.yaml b/.github/workflows/test-datalad_fuse-maint.yaml
index c86ce03..5e2a98f 100644
--- a/.github/workflows/test-datalad_fuse-maint.yaml
+++ b/.github/workflows/test-datalad_fuse-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_fuse-master.yaml b/.github/workflows/test-datalad_fuse-master.yaml
index f8ad8f4..0f7aa99 100644
--- a/.github/workflows/test-datalad_fuse-master.yaml
+++ b/.github/workflows/test-datalad_fuse-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_metalad-maint.yaml b/.github/workflows/test-datalad_metalad-maint.yaml
index 29eff69..7d6c630 100644
--- a/.github/workflows/test-datalad_metalad-maint.yaml
+++ b/.github/workflows/test-datalad_metalad-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_metalad-master.yaml b/.github/workflows/test-datalad_metalad-master.yaml
index d70d1f8..3bb701a 100644
--- a/.github/workflows/test-datalad_metalad-master.yaml
+++ b/.github/workflows/test-datalad_metalad-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_neuroimaging-maint.yaml b/.github/workflows/test-datalad_neuroimaging-maint.yaml
index 8327657..568c991 100644
--- a/.github/workflows/test-datalad_neuroimaging-maint.yaml
+++ b/.github/workflows/test-datalad_neuroimaging-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_neuroimaging-master.yaml b/.github/workflows/test-datalad_neuroimaging-master.yaml
index f764697..05ad945 100644
--- a/.github/workflows/test-datalad_neuroimaging-master.yaml
+++ b/.github/workflows/test-datalad_neuroimaging-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_next-maint.yaml b/.github/workflows/test-datalad_next-maint.yaml
index 9df8ca1..90f317a 100644
--- a/.github/workflows/test-datalad_next-maint.yaml
+++ b/.github/workflows/test-datalad_next-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_next-master.yaml b/.github/workflows/test-datalad_next-master.yaml
index ef088a4..de7dea2 100644
--- a/.github/workflows/test-datalad_next-master.yaml
+++ b/.github/workflows/test-datalad_next-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_osf-maint.yaml b/.github/workflows/test-datalad_osf-maint.yaml
index db2def4..15537ab 100644
--- a/.github/workflows/test-datalad_osf-maint.yaml
+++ b/.github/workflows/test-datalad_osf-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_osf-master.yaml b/.github/workflows/test-datalad_osf-master.yaml
index 62574dd..7f3127a 100644
--- a/.github/workflows/test-datalad_osf-master.yaml
+++ b/.github/workflows/test-datalad_osf-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_ukbiobank-maint.yaml b/.github/workflows/test-datalad_ukbiobank-maint.yaml
index c0c501c..1706e76 100644
--- a/.github/workflows/test-datalad_ukbiobank-maint.yaml
+++ b/.github/workflows/test-datalad_ukbiobank-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_ukbiobank-master.yaml b/.github/workflows/test-datalad_ukbiobank-master.yaml
index 18f31be..ba2156d 100644
--- a/.github/workflows/test-datalad_ukbiobank-master.yaml
+++ b/.github/workflows/test-datalad_ukbiobank-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_xnat-maint.yaml b/.github/workflows/test-datalad_xnat-maint.yaml
index 63fd3eb..6c874b7 100644
--- a/.github/workflows/test-datalad_xnat-maint.yaml
+++ b/.github/workflows/test-datalad_xnat-maint.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (maint)
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test-datalad_xnat-master.yaml b/.github/workflows/test-datalad_xnat-master.yaml
index 762b0db..498a70a 100644
--- a/.github/workflows/test-datalad_xnat-master.yaml
+++ b/.github/workflows/test-datalad_xnat-master.yaml
@@ -58,10 +58,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad (master)
       run: |
         python -m pip install --upgrade pip
diff --git a/templates/.github/workflows/test-{{extension.name}}-{{datalad_branch}}.yaml b/templates/.github/workflows/test-{{extension.name}}-{{datalad_branch}}.yaml
index 02d3bcd..369dc95 100644
--- a/templates/.github/workflows/test-{{extension.name}}-{{datalad_branch}}.yaml
+++ b/templates/.github/workflows/test-{{extension.name}}-{{datalad_branch}}.yaml
@@ -62,10 +62,10 @@ jobs:
       run: |
         git config --global user.email "test@github.land"
         git config --global user.name "GitHub Almighty"
-    - name: Set up Python 3.9
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.12
     - name: Install DataLad ({{ datalad_branch }})
       run: |
         python -m pip install --upgrade pip