diff --git a/dev/tasks/linux-packages/apache-arrow/apt/ubuntu-focal/Dockerfile b/dev/tasks/linux-packages/apache-arrow/apt/ubuntu-focal/Dockerfile
index 63bafe11fe..2b656c7752 100644
--- a/dev/tasks/linux-packages/apache-arrow/apt/ubuntu-focal/Dockerfile
+++ b/dev/tasks/linux-packages/apache-arrow/apt/ubuntu-focal/Dockerfile
@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 
-ARG FROM=ubuntu:focal
+ARG FROM=ubuntu:20.04
 FROM ${FROM}
 
 RUN \