diff --git a/docs/cachedir.md b/docs/cachedir.md
index ea036f2..4cd46f5 100644
--- a/docs/cachedir.md
+++ b/docs/cachedir.md
@@ -19,5 +19,5 @@ variable [`CJDK_CACHE_DIR`](environ-cjdk-cache-dir).
 
 You can safely delete the cache directory at any time, provided that **cjdk**
 and the JDKs installed by it are not in use. You can use the
-[`cjdk clear-cache`](cli.md#clear-cache) command or the
-[`cjdk.clear_cache()`](api.md#cjdk.clear_cache) function to do this.
+[`cjdk clear-cache`](cli-clear-cache) command or the
+[`cjdk.clear_cache()`](cjdk.clear_cache) function to do this.
diff --git a/docs/cli.md b/docs/cli.md
index 2cdd580..b2634fa 100644
--- a/docs/cli.md
+++ b/docs/cli.md
@@ -115,6 +115,8 @@ shown was on macOS.)
 
 ## Managing the cache
 
+(cli-clear-cache)=
+
 ### `clear-cache`
 
 ```{command-output} cjdk clear-cache --help
diff --git a/docs/example-run-jgo.md b/docs/example-run-jgo.md
index 23488bb..6d7a106 100644
--- a/docs/example-run-jgo.md
+++ b/docs/example-run-jgo.md
@@ -33,8 +33,8 @@ from contextlib import contextmanager
 
 ```{code-cell} ipython3
 # From https://maven.apache.org/download.html
-maven_url = "tgz+https://dlcdn.apache.org/maven/maven-3/3.9.6/binaries/apache-maven-3.9.6-bin.tar.gz"
-maven_sha512 = "706f01b20dec0305a822ab614d51f32b07ee11d0218175e55450242e49d2156386483b506b3a4e8a03ac8611bae96395fd5eec15f50d3013d5deed6d1ee18224"
+maven_url = "tgz+https://dlcdn.apache.org/maven/maven-3/3.9.12/binaries/apache-maven-3.9.12-bin.tar.gz"
+maven_sha512 = "0a1be79f02466533fc1a80abbef8796e4f737c46c6574ede5658b110899942a94db634477dfd3745501c80aef9aac0d4f841d38574373f7e2d24cce89d694f70"
 ```
 
 ```{code-cell} ipython3