diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index a24624f..b9df95c 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        series: [7x, 8x_1, 8x_2]
+        series: [8x_1, 8x_2]
     steps:
     - uses: actions/checkout@master
     - run: ./build.sh ${{ matrix.series }}
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index c33393f..a983a68 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        series: [7x, 8x_1, 8x_2, snapshot]
+        series: [8x_1, 8x_2, snapshot]
     steps:
     - uses: actions/checkout@master
     - run: ./build.sh ${{ matrix.series }}
diff --git a/README.md b/README.md
index 79e0c10..70d10b5 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
 # racket-docker
 
-Docker images for various Racket versions available on DockerHub as [`racket/racket:<version>`](https://hub.docker.com/r/racket/racket/). For example, to run a Racket 8.17 REPL:
+Docker images for various Racket versions available on DockerHub as [`racket/racket:<version>`](https://hub.docker.com/r/racket/racket/). For example, to run a Racket 8.18 REPL:
 
 ```
-$ docker run -it racket/racket:8.17-full
+$ docker run -it racket/racket:8.18-full
 ```
 
 #### Normal images
@@ -16,7 +16,7 @@ These images use the `minimal-install` of Racket to avoid pulling in things like
 DrRacket or Scribble. This also means many `raco` commands such as `raco make`
 will be missing; install the `compiler-lib` package to get most of the standard
 `raco` commands. Alternatively, use the "full" images instead such as
-`racket/racket:8.17-full`.
+`racket/racket:8.18-full`.
 
 Versions: 6.1 and above. Racket CS images are available for 7.4 and above.
 
@@ -44,12 +44,14 @@ the full distribution of the CS variant of Racket 7.9.
 
 #### Racket before Chez (BC) images
 
-As of the 8.0 release, Racket BC images are tagged with `-bc` and
-`-bc-full`.  For example, `racket/racket:8.0-bc-full` is the full
-distribution of the BC variant of Racket 8.0, whereas
+As of the 8.0 release, Racket BC images are tagged with `-bc`
+and `-bc-full`. For example, `racket/racket:8.0-bc-full` is
+the full distribution of the BC variant of Racket 8.0, whereas
 `racket/racket:7.9-full` is the full distribution of the BC variant of
 Racket 7.9 (before CS was made the default).
 
+Racket BC images are only available up to version 8.17.
+
 
 ## Local development
 
diff --git a/build.sh b/build.sh
index 174a438..f5f2046 100755
--- a/build.sh
+++ b/build.sh
@@ -51,17 +51,11 @@ installer_url () {
 build_snapshot () {
   declare -r version="snapshot";
 
-  declare -r installer="https://users.cs.utah.edu/plt/snapshots/current/installers/racket-minimal-current-x86_64-linux-jesse.sh";
+  declare -r installer="https://users.cs.utah.edu/plt/snapshots/current/installers/racket-minimal-current-x86_64-linux-buster.sh";
   build "racket" "${installer}" "${version}" "${version}";
 
-  declare -r bc_installer="https://users.cs.utah.edu/plt/snapshots/current/installers/racket-minimal-current-x86_64-linux-bc.sh";
-  build "racket" "${bc_installer}" "${version}" "${version}-bc";
-
-  declare -r full_installer="https://users.cs.utah.edu/plt/snapshots/current/installers/racket-current-x86_64-linux-jesse.sh";
+  declare -r full_installer="https://users.cs.utah.edu/plt/snapshots/current/installers/racket-current-x86_64-linux-buster.sh";
   build "racket" "${full_installer}" "${version}" "${version}-full";
-
-  declare -r full_bc_installer="https://users.cs.utah.edu/plt/snapshots/current/installers/racket-current-x86_64-linux-bc.sh";
-  build "racket" "${full_bc_installer}" "${version}" "${version}-bc-full";
 }
 
 build_8x () {
@@ -71,17 +65,22 @@ build_8x () {
   declare -r installer=$(installer_url "${version}" "${installer_path}") || exit "${?}";
   build "racket" "${installer}" "${version}" "${version}";
 
-  declare -r bc_installer_path="racket-minimal-${version}-x86_64-linux-bc.sh";
-  declare -r bc_installer=$(installer_url "${version}" "${bc_installer_path}") || exit "${?}";
-  build "racket" "${bc_installer}" "${version}" "${version}-bc";
-
   declare -r full_installer_path="racket-${version}-x86_64-linux-natipkg.sh";
   declare -r full_installer=$(installer_url "${version}" "${full_installer_path}") || exit "${?}";
   build "racket" "${full_installer}" "${version}" "${version}-full";
 
-  declare -r full_bc_installer_path="racket-${version}-x86_64-linux-bc.sh";
-  declare -r full_bc_installer=$(installer_url "${version}" "${full_bc_installer_path}") || exit "${?}";
-  build "racket" "${full_bc_installer}" "${version}" "${version}-bc-full";
+  # Starting with 8.18, BC builds are no longer provided. The next
+  # version is likely going to be 9.0, so we only need to check for
+  # 8.18 as of this writing.
+  if [ "$version" != "8.18" ]; then
+      declare -r bc_installer_path="racket-minimal-${version}-x86_64-linux-bc.sh";
+      declare -r bc_installer=$(installer_url "${version}" "${bc_installer_path}") || exit "${?}";
+      build "racket" "${bc_installer}" "${version}" "${version}-bc";
+
+      declare -r full_bc_installer_path="racket-${version}-x86_64-linux-bc.sh";
+      declare -r full_bc_installer=$(installer_url "${version}" "${full_bc_installer_path}") || exit "${?}";
+      build "racket" "${full_bc_installer}" "${version}" "${version}-bc-full";
+  fi
 };
 
 build_7x () {
@@ -124,7 +123,7 @@ foreach () {
   done;
 };
 
-declare -r LATEST_RACKET_VERSION="8.17";
+declare -r LATEST_RACKET_VERSION="8.18";
 
 tag_latest () {
   declare -r repository="${1}";
@@ -133,7 +132,7 @@ tag_latest () {
 
 # The 8x series is split into two to avoid running into storage limits in CI.
 build_8x_2 () {
-  foreach build_8x "8.10" "8.11" "8.11.1" "8.12" "8.13" "8.14" "8.15" "8.16" "8.17";
+  foreach build_8x "8.10" "8.11" "8.11.1" "8.12" "8.13" "8.14" "8.15" "8.16" "8.17" "8.18";
   tag_latest "${DOCKER_REPOSITORY}";
   tag_latest "${SECONDARY_DOCKER_REPOSITORY}";
 }