diff --git a/.github/workflows/build-book.yaml b/.github/workflows/build-book.yaml
index e2a67e44..345c616d 100644
--- a/.github/workflows/build-book.yaml
+++ b/.github/workflows/build-book.yaml
@@ -41,8 +41,7 @@ jobs:
           DOCKER_REGISTRY: "ghcr.io"
           PUBLIC_REGISTRY_CHECK: true
           APPENDIX_FILE: "binder/appendix.txt"
-          REPO2DOCKER_EXTRA_ARGS: "--Repo2Docker.base_image=docker.io/library/buildpack-deps:bionic"
-          FORCE_REPO2DOCKER_VERSION: "2023.6.0"
+          REPO2DOCKER_EXTRA_ARGS: --Repo2Docker.base_image=docker.io/library/buildpack-deps:bionic
 
   build-book:
     runs-on: ubuntu-latest