diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 76f427ea8..f2cea9b56 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -2,5 +2,6 @@
   "js": "1.1.1",
   "python/dotpromptz": "0.1.4",
   "python/handlebarrz": "0.1.3",
-  "go": "0.1.0"
+  "go": "0.1.0",
+  "java": "1.0.0"
 }
diff --git a/java/CHANGELOG.md b/java/CHANGELOG.md
new file mode 100644
index 000000000..2767d5c5b
--- /dev/null
+++ b/java/CHANGELOG.md
@@ -0,0 +1,20 @@
+# Changelog
+
+## 1.0.0 (2025-12-24)
+
+
+### Features
+
+* cargo workspace configuration and bazel build files for hermetic environment ([#257](https://github.com/google/dotprompt/issues/257)) ([aef822e](https://github.com/google/dotprompt/commit/aef822ed484d256ba95a3544e132a9b33e0dc02d))
+* **java:** add basic types used elsewhere ([#381](https://github.com/google/dotprompt/issues/381)) ([1e51a69](https://github.com/google/dotprompt/commit/1e51a690a839ac84d50f627c88784617c08e1ebc))
+* **java:** add handlebars helpers implementation ([#380](https://github.com/google/dotprompt/issues/380)) ([56579b7](https://github.com/google/dotprompt/commit/56579b794e0053b8c00780cd3e2680a7f102844f))
+* **java:** add java formatter ([#270](https://github.com/google/dotprompt/issues/270)) ([00add2e](https://github.com/google/dotprompt/commit/00add2edf72babfbae3f391a84b521f142fc947d))
+* **java:** parsers ([#383](https://github.com/google/dotprompt/issues/383)) ([a5fdd61](https://github.com/google/dotprompt/commit/a5fdd612d248637f791c6108cae2eb59c76c659e))
+* **java:** resolver and store types ([#382](https://github.com/google/dotprompt/issues/382)) ([27931e1](https://github.com/google/dotprompt/commit/27931e14c6bb3199ff0fbd7afc8a732c0150a6b9))
+* use the HEAD version of addlicense ([#280](https://github.com/google/dotprompt/issues/280)) ([bdf0d36](https://github.com/google/dotprompt/commit/bdf0d36a430a363de4163f48394546cba884eaaf))
+
+
+### Bug Fixes
+
+* **java:** pin version for handlebars v4.4.0 ([#309](https://github.com/google/dotprompt/issues/309)) ([17a510f](https://github.com/google/dotprompt/commit/17a510ff51fdc49c8e696fa3798b55243830e558))
+* update lock file ([#258](https://github.com/google/dotprompt/issues/258)) ([13a4b25](https://github.com/google/dotprompt/commit/13a4b2592a71aa0585af6ce6f42d92e0da9a8f3c))