diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index fdbd965..79195d4 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        series: [6x, 7x, 8x]
+        series: [7x, 8x]
     steps:
     - uses: actions/checkout@master
     - run: ./build.sh ${{ matrix.series }}
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index d4e79b4..d98410f 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        series: [6x, 7x, 8x, snapshot]
+        series: [7x, 8x, snapshot]
     steps:
     - uses: actions/checkout@master
     - run: ./build.sh ${{ matrix.series }}
diff --git a/README.md b/README.md
index 09f08ff..8b7adfc 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 8.8 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 8.9 REPL:
 
 ```
-$ docker run -it racket/racket:8.8
+$ docker run -it racket/racket:8.9
 ```
 
 #### 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:8.8-full`.
+`racket/racket:8.9-full`.
 
 Versions: 6.1 and above. Racket CS images are available for 7.4 and above.
 
diff --git a/build.sh b/build.sh
index 1843cef..a7e6b7b 100755
--- a/build.sh
+++ b/build.sh
@@ -122,7 +122,7 @@ foreach () {
   done;
 };
 
-declare -r LATEST_RACKET_VERSION="8.8";
+declare -r LATEST_RACKET_VERSION="8.9";
 
 tag_latest () {
   declare -r repository="${1}";
@@ -130,7 +130,7 @@ tag_latest () {
 };
 
 build_all_8x () {
-  foreach build_8x "8.0" "8.1" "8.2" "8.3" "8.4" "8.5" "8.6" "8.7" "8.8";
+  foreach build_8x "8.0" "8.1" "8.2" "8.3" "8.4" "8.5" "8.6" "8.7" "8.8" "8.9";
   tag_latest "${DOCKER_REPOSITORY}";
   tag_latest "${SECONDARY_DOCKER_REPOSITORY}";
 }