diff --git a/.mise/envs/jmx-exporter/mise.toml b/.mise/envs/jmx-exporter/mise.toml
index a04b4948c..1e9a6e438 100644
--- a/.mise/envs/jmx-exporter/mise.toml
+++ b/.mise/envs/jmx-exporter/mise.toml
@@ -2,7 +2,7 @@
 # its spotless google-java-format predates JDK 25 support. Build it under an LTS
 # JDK the release supports instead.
 [tools]
-java = "temurin-21.0.11+10.0.LTS"
+java = "temurin-25.0.3+9.0.LTS"
 
 [tasks.compat-test]
 description = "Run JMX Exporter compatibility tests under a supported JDK"
diff --git a/.mise/envs/micrometer/mise.toml b/.mise/envs/micrometer/mise.toml
index e5318c1d6..8e1dfd489 100644
--- a/.mise/envs/micrometer/mise.toml
+++ b/.mise/envs/micrometer/mise.toml
@@ -2,7 +2,7 @@
 # its bundled Kotlin compiler predates JDK 25 support. Build it under an LTS JDK
 # the release supports instead.
 [tools]
-java = "temurin-21.0.11+10.0.LTS"
+java = "temurin-25.0.3+9.0.LTS"
 
 [tasks.compat-test]
 description = "Run Micrometer compatibility tests under a supported JDK"