try

docker/AlmaLinux8.Dockerfile

@@ -14,7 +14,6 @@ RUN dnf config-manager --set-enabled powertools
 RUN dnf install -y -q \
     git \
     git-lfs \
-    python39 \
     wget \
     gcc-toolset-11 \
     gcc-toolset-11-libubsan-devel \
@@ -40,6 +39,18 @@ RUN dnf module install -y -q nvidia-driver:535-dkms
 RUN echo "source /opt/rh/gcc-toolset-11/enable" >> /etc/bashrc
 SHELL ["/bin/bash", "--login", "-c"]
 
+# Install newer version of Python
+RUN wget https://www.python.org/ftp/python/3.9.6/Python-3.9.6.tgz && \
+    tar xzf Python-3.9.6.tgz && \
+    cd Python-3.9.6 && \
+    ./configure --enable-optimizations --enable-loadable-sqlite-extensions && \
+    make altinstall && \
+    cd .. && \
+    rm Python-3.9.6.tgz && \
+    rm -rf Python-3.9.6 && \
+    ln -sf /usr/local/bin/python3.9 /usr/bin/python3 && \
+    ln -sf /usr/local/bin/pip3.9 /usr/bin/pip3
+
 # Install newer version of CMake
 RUN wget https://cmake.org/files/v3.24/cmake-3.24.2.tar.gz && \
     tar xzf cmake-3.24.2.tar.gz && \