diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a1332ade..878510e0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,7 +18,7 @@ on:
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  arm64-manylinux228-py311:
+  arm64-manylinux228-py312:
      runs-on: ubuntu-latest
      steps:
        - uses: actions/checkout@v2
@@ -27,7 +27,7 @@ jobs:
          # Use Docker Command Directly to take more control over the platform
          run: >
           docker run \
-            --env PYGMO_BUILD_TYPE=Python311 \
+            --env PYGMO_BUILD_TYPE=Python312 \
             --env GITHUB_WORKSPACE=${GITHUB_WORKSPACE} \
             --env GITHUB_REF=${GITHUB_REF} \
             --env TWINE_USERNAME=${{ secrets.TWINE_USERNAME }} \
@@ -37,7 +37,7 @@ jobs:
             --platform linux/arm64 \
             pagmo2/manylinux228_aarch64_with_deps:latest \
             bash tools/gha_manylinux.sh
-  arm64-manylinux228-py310:
+  arm64-manylinux228-py311:
      runs-on: ubuntu-latest
      steps:
        - uses: actions/checkout@v2
@@ -46,7 +46,7 @@ jobs:
          # Use Docker Command Directly to take more control over the platform
          run: >
           docker run \
-            --env PYGMO_BUILD_TYPE=Python310 \
+            --env PYGMO_BUILD_TYPE=Python311 \
             --env GITHUB_WORKSPACE=${GITHUB_WORKSPACE} \
             --env GITHUB_REF=${GITHUB_REF} \
             --env TWINE_USERNAME=${{ secrets.TWINE_USERNAME }} \
@@ -56,7 +56,7 @@ jobs:
             --platform linux/arm64 \
             pagmo2/manylinux228_aarch64_with_deps:latest \
             bash tools/gha_manylinux.sh
-  arm64-manylinux228-py39:
+  arm64-manylinux228-py310:
      runs-on: ubuntu-latest
      steps:
        - uses: actions/checkout@v2
@@ -65,7 +65,7 @@ jobs:
          # Use Docker Command Directly to take more control over the platform
          run: >
           docker run \
-            --env PYGMO_BUILD_TYPE=Python39 \
+            --env PYGMO_BUILD_TYPE=Python310 \
             --env GITHUB_WORKSPACE=${GITHUB_WORKSPACE} \
             --env GITHUB_REF=${GITHUB_REF} \
             --env TWINE_USERNAME=${{ secrets.TWINE_USERNAME }} \
@@ -75,7 +75,7 @@ jobs:
             --platform linux/arm64 \
             pagmo2/manylinux228_aarch64_with_deps:latest \
             bash tools/gha_manylinux.sh
-  arm64-manylinux228-py38:
+  arm64-manylinux228-py39:
      runs-on: ubuntu-latest
      steps:
        - uses: actions/checkout@v2
@@ -84,7 +84,7 @@ jobs:
          # Use Docker Command Directly to take more control over the platform
          run: >
           docker run \
-            --env PYGMO_BUILD_TYPE=Python38 \
+            --env PYGMO_BUILD_TYPE=Python39 \
             --env GITHUB_WORKSPACE=${GITHUB_WORKSPACE} \
             --env GITHUB_REF=${GITHUB_REF} \
             --env TWINE_USERNAME=${{ secrets.TWINE_USERNAME }} \
@@ -94,48 +94,48 @@ jobs:
             --platform linux/arm64 \
             pagmo2/manylinux228_aarch64_with_deps:latest \
             bash tools/gha_manylinux.sh
-  amd64-manylinux228-py311:
+  amd64-manylinux228-py312:
      runs-on: ubuntu-latest
      container:
       image: pagmo2/manylinux228_x86_64_with_deps:latest
       env: 
-        PYGMO_BUILD_TYPE: "Python311"
+        PYGMO_BUILD_TYPE: "Python312"
         TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
      steps:
        - uses: actions/checkout@v2
        - name: Build
          run: bash tools/gha_manylinux.sh
-  amd64-manylinux228-py310:
+  amd64-manylinux228-py311:
      runs-on: ubuntu-latest
      container:
       image: pagmo2/manylinux228_x86_64_with_deps:latest
       env: 
-        PYGMO_BUILD_TYPE: "Python310"
+        PYGMO_BUILD_TYPE: "Python311"
         TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
      steps:
        - uses: actions/checkout@v2
        - name: Build
          run: bash tools/gha_manylinux.sh
-  amd64-manylinux228-py39:
+  amd64-manylinux228-py310:
      runs-on: ubuntu-latest
      container:
       image: pagmo2/manylinux228_x86_64_with_deps:latest
       env: 
-        PYGMO_BUILD_TYPE: "Python39"
+        PYGMO_BUILD_TYPE: "Python310"
         TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
      steps:
        - uses: actions/checkout@v2
        - name: Build
          run: bash tools/gha_manylinux.sh
-  amd64-manylinux228-py38:
+  amd64-manylinux228-py39:
      runs-on: ubuntu-latest
      container:
       image: pagmo2/manylinux228_x86_64_with_deps:latest
       env: 
-        PYGMO_BUILD_TYPE: "Python38"
+        PYGMO_BUILD_TYPE: "Python39"
         TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
      steps: