diff --git a/runner/actions-runner-dind.dockerfile b/runner/actions-runner-dind.dockerfile
index 4a2ea4d4..fbcbc7fa 100644
--- a/runner/actions-runner-dind.dockerfile
+++ b/runner/actions-runner-dind.dockerfile
@@ -54,7 +54,8 @@ RUN adduser --disabled-password --gecos "" --uid 1000 runner \
     && groupadd docker \
     && usermod -aG sudo runner \
     && usermod -aG docker runner \
-    && echo "%sudo   ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers
+    && echo "%sudo   ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers \
+    && echo "Defaults env_keep += \"DEBIAN_FRONTEND\"" >> /etc/sudoers
 
 # arch command on OS X reports "i386" for Intel CPUs regardless of bitness
 # Docker download supports arm64 as aarch64 & amd64 / i386 as x86_64
diff --git a/runner/actions-runner.dockerfile b/runner/actions-runner.dockerfile
index b50225eb..4697e624 100644
--- a/runner/actions-runner.dockerfile
+++ b/runner/actions-runner.dockerfile
@@ -66,7 +66,8 @@ RUN set -vx; \
     && groupadd docker \
     && usermod -aG sudo runner \
     && usermod -aG docker runner \
-    && echo "%sudo   ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers
+    && echo "%sudo   ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers \
+    && echo "Defaults env_keep += \"DEBIAN_FRONTEND\"" >> /etc/sudoers
 
 # Uncomment the below COPY to use your own custom build of actions-runner.
 #