Error apt-get updating from nvidia/cuda:11.5.1-base-ubuntu20.04

Today when I try to run apt-get update from the nvidia/cuda:11.5.1-base-ubuntu20.04 base docker image, I’m seeing the following error:

Step 30/39 : RUN apt-get update  && apt-get -y upgrade --only-upgrade systemd  && apt-get install -y --no-install-recommends software-properties-common  && add-apt-repository ppa:openjdk-r/ppa  && apt-get update  && apt-get install -y --allow-downgrades --allow-change-held-packages --no-install-recommends     build-essential     ca-certificates     cmake     cuda-command-line-tools-11-5     cuda-cudart-11-5     cuda-libraries-11-5     cuda-libraries-dev-11-5     curl     emacs     git     jq     libcublas-11-5=${CUBLAS_VERSION}-1     libcublas-dev-11-5=${CUBLAS_VERSION}-1     libcudnn8     libcufft-dev-11-5     libcurand-dev-11-5     libcurl4-openssl-dev     libcusolver-dev-11-5     libcusparse-dev-11-5     cuda-nvml-dev-11-5=${NVML_VERSION}-1     libgl1-mesa-glx     libglib2.0-0     libgomp1     libibverbs-dev     libnuma1     libnuma-dev     libsm6     libssl1.1     libssl-dev     libxext6     libxrender-dev     openjdk-11-jdk     openssl     vim     wget     unzip     zlib1g-dev  && rm -rf /var/lib/apt/lists/*  && apt-get clean
 ---> Running in 0a93e62ddeb8
Ign:1  InRelease
Get:2 focal-security InRelease [114 kB]
Err:3  Release
  Could not handshake: Error in the pull function. [IP: 443]
Get:4 focal InRelease [265 kB]
Get:5 focal-security/restricted amd64 Packages [1497 kB]
Get:6 focal-security/main amd64 Packages [2127 kB]
Get:7 focal-security/universe amd64 Packages [892 kB]
Get:8 focal-security/multiverse amd64 Packages [27.5 kB]
Get:9 focal-updates InRelease [114 kB]
Get:10 focal-backports InRelease [108 kB]
Get:11 focal/multiverse amd64 Packages [177 kB]
Get:12 focal/main amd64 Packages [1275 kB]
Get:13 focal/universe amd64 Packages [11.3 MB]
Get:14 focal/restricted amd64 Packages [33.4 kB]
Get:15 focal-updates/universe amd64 Packages [1186 kB]
Get:16 focal-updates/main amd64 Packages [2583 kB]
Get:17 focal-updates/multiverse amd64 Packages [30.2 kB]
Get:18 focal-updates/restricted amd64 Packages [1606 kB]
Get:19 focal-backports/universe amd64 Packages [27.4 kB]
Get:20 focal-backports/main amd64 Packages [55.1 kB]
Reading package lists...
E: The repository '  Release' does not have a Release file.

Anyone else having this issue? How can I resolve this?