diff --git a/.github/workflows/test-datalad_catalog-maint.yaml b/.github/workflows/test-datalad_catalog-maint.yaml
index 52c366b..6129a70 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 b191ccf..576c9fc 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 64b7334..2077419 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 dc97735..66f0c61 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 662bd1f..d903856 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 2f2f3c4..c191213 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 cb696ee..1e0da38 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 29b05b6..407c5f5 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 88c8d4a..fdf448f 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 05363d9..03a0552 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 9751782..c86ce03 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 34ee56e..f8ad8f4 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 99c9132..29eff69 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 3d39aaf..d70d1f8 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 ad96748..8327657 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 f14998c..f764697 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 547ab7a..9df8ca1 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 44ec0d1..ef088a4 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 f69531c..db2def4 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 3ebb49e..62574dd 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 69b5585..c0c501c 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 699bfad..18f31be 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 921fcae..63fd3eb 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 cc8d68c..762b0db 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - 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 1d8abce..02d3bcd 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 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Install DataLad ({{ datalad_branch }})
       run: |
         python -m pip install --upgrade pip