diff --git a/.github/workflows/artifacts.yml b/.github/workflows/artifacts.yml
index 8fdae9c5a7..d8f55cfce1 100644
--- a/.github/workflows/artifacts.yml
+++ b/.github/workflows/artifacts.yml
@@ -231,6 +231,14 @@ jobs:
     - name: Build demjson
       shell: bash
       run: |
+        curl -sSo Python-3.11.11.tar.xz https://www.python.org/ftp/python/3.11.11/Python-3.11.11.tar.xz
+        tar -xJf Python-3.11.11.tar.xz
+        cd Python-3.11.11
+        sudo ./configure --prefix=/opt/python/3.11.11/ --enable-optimizations --with-lto --with-computed-gotos --with-system-ffi
+        sudo make -j "$(nproc)"
+        sudo make altinstall
+        cd ..
+        rm Python-3.11.11.tar.xz
         curl -sSo pip.pyz https://bootstrap.pypa.io/pip/pip.pyz
         python pip.pyz -V
         python pip.pyz install setuptools==57.5.0
@@ -347,6 +355,14 @@ jobs:
     - name: Build demjson
       shell: bash
       run: |
+        curl -sSo Python-3.11.11.tar.xz https://www.python.org/ftp/python/3.11.11/Python-3.11.11.tar.xz
+        tar -xJf Python-3.11.11.tar.xz
+        cd Python-3.11.11
+        sudo ./configure --prefix=/opt/python/3.11.11/ --enable-optimizations --with-lto --with-computed-gotos --with-system-ffi
+        sudo make -j "$(nproc)"
+        sudo make altinstall
+        cd ..
+        rm Python-3.11.11.tar.xz
         curl -sSo pip.pyz https://bootstrap.pypa.io/pip/pip.pyz
         python pip.pyz -V
         python pip.pyz install setuptools==57.5.0
diff --git a/.github/workflows/jsonlint.yml b/.github/workflows/jsonlint.yml
index 2c52342e29..4dd871ec5b 100644
--- a/.github/workflows/jsonlint.yml
+++ b/.github/workflows/jsonlint.yml
@@ -13,6 +13,14 @@ jobs:
     - name: Build demjson
       shell: bash
       run: |
+        curl -sSo Python-3.11.11.tar.xz https://www.python.org/ftp/python/3.11.11/Python-3.11.11.tar.xz
+        tar -xJf Python-3.11.11.tar.xz
+        cd Python-3.11.11
+        sudo ./configure --prefix=/opt/python/3.11.11/ --enable-optimizations --with-lto --with-computed-gotos --with-system-ffi
+        sudo make -j "$(nproc)"
+        sudo make altinstall
+        cd ..
+        rm Python-3.11.11.tar.xz
         curl -sSo pip.pyz https://bootstrap.pypa.io/pip/pip.pyz
         python pip.pyz -V
         python pip.pyz install setuptools==57.5.0