diff --git a/templates/tools/dockerfile/cmake_jessie_backports.include b/templates/tools/dockerfile/cmake_jessie_backports.include
index 2fc49dc8d60..6acb991cd78 100644
--- a/templates/tools/dockerfile/cmake_jessie_backports.include
+++ b/templates/tools/dockerfile/cmake_jessie_backports.include
@@ -2,5 +2,5 @@
 # Use cmake 3.6 from jessie-backports
 # should only be used for images based on debian jessie.
 
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+RUN echo "deb [check-valid-until=no] http://archive.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
 RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
diff --git a/test/distrib/cpp/run_distrib_test_cmake.sh b/test/distrib/cpp/run_distrib_test_cmake.sh
index 6ec3cab6024..06406a40d29 100755
--- a/test/distrib/cpp/run_distrib_test_cmake.sh
+++ b/test/distrib/cpp/run_distrib_test_cmake.sh
@@ -17,7 +17,7 @@ set -ex
 
 cd "$(dirname "$0")/../../.."
 
-echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+echo "deb [check-valid-until=no] http://archive.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
 apt-get update
 apt-get install -t jessie-backports -y libssl-dev
 
@@ -63,4 +63,3 @@ mkdir -p cmake/build
 cd cmake/build
 cmake ../..
 make
-
diff --git a/test/distrib/cpp/run_distrib_test_cmake_as_externalproject.sh b/test/distrib/cpp/run_distrib_test_cmake_as_externalproject.sh
index 163527fbd50..59d7674db6d 100755
--- a/test/distrib/cpp/run_distrib_test_cmake_as_externalproject.sh
+++ b/test/distrib/cpp/run_distrib_test_cmake_as_externalproject.sh
@@ -17,7 +17,7 @@ set -ex
 
 cd "$(dirname "$0")/../../.."
 
-echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+echo "deb [check-valid-until=no] http://archive.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
 apt-get update
 apt-get install -t jessie-backports -y libssl-dev
 
@@ -38,4 +38,3 @@ mkdir -p cmake/build
 cd cmake/build
 cmake ../..
 make
-
diff --git a/tools/dockerfile/distribtest/cpp_jessie_x64/Dockerfile b/tools/dockerfile/distribtest/cpp_jessie_x64/Dockerfile
index 894f114951c..dcab64aaeae 100644
--- a/tools/dockerfile/distribtest/cpp_jessie_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/cpp_jessie_x64/Dockerfile
@@ -29,7 +29,7 @@ RUN apt-get update && apt-get install -y \
 
 RUN apt-get update && apt-get install -y golang && apt-get clean
 
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+RUN echo "deb [check-valid-until=no] http://archive.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
 RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
 
 CMD ["bash"]
diff --git a/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile b/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile
index f247cc9ca54..5b2b3dbf6de 100644
--- a/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile
+++ b/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile
@@ -72,7 +72,7 @@ RUN apt-get update && apt-get install -y \
 # C# dependencies (needed to build grpc_csharp_ext)
 
 # Use cmake 3.6 from jessie-backports
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+RUN echo "deb [check-valid-until=no] http://archive.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
 RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
 
 RUN mkdir /var/local/jenkins
diff --git a/tools/dockerfile/grpc_artifact_linux_x86/Dockerfile b/tools/dockerfile/grpc_artifact_linux_x86/Dockerfile
index e403f75b594..ee0a7105389 100644
--- a/tools/dockerfile/grpc_artifact_linux_x86/Dockerfile
+++ b/tools/dockerfile/grpc_artifact_linux_x86/Dockerfile
@@ -64,7 +64,7 @@ RUN /bin/bash -l -c "gem install bundler -v 1.17.3 --no-ri --no-rdoc"
 # C# dependencies (needed to build grpc_csharp_ext)
 
 # Use cmake 3.6 from jessie-backports
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+RUN echo "deb [check-valid-until=no] http://archive.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
 RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
 
 RUN mkdir /var/local/jenkins
diff --git a/tools/dockerfile/test/cxx_jessie_x64/Dockerfile b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
index f9dc8f20d7c..c801edfa386 100644
--- a/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
@@ -76,7 +76,7 @@ RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev c
 # Use cmake 3.6 from jessie-backports
 # should only be used for images based on debian jessie.
 
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+RUN echo "deb [check-valid-until=no] http://archive.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
 RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
 
 
diff --git a/tools/dockerfile/test/cxx_jessie_x86/Dockerfile b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
index 76015c8c42d..3fdbb27f6e1 100644
--- a/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
+++ b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
@@ -79,7 +79,7 @@ RUN mkdir /var/local/jenkins
 # Use cmake 3.6 from jessie-backports
 # should only be used for images based on debian jessie.
 
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+RUN echo "deb [check-valid-until=no] http://archive.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
 RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
 
 
diff --git a/tools/dockerfile/test/fuzzer/Dockerfile b/tools/dockerfile/test/fuzzer/Dockerfile
index 7f871f2f62a..ef9305bcc8d 100644
--- a/tools/dockerfile/test/fuzzer/Dockerfile
+++ b/tools/dockerfile/test/fuzzer/Dockerfile
@@ -76,7 +76,7 @@ RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev c
 # Use cmake 3.6 from jessie-backports
 # should only be used for images based on debian jessie.
 
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+RUN echo "deb [check-valid-until=no] http://archive.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
 RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
 
 #=================