diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 974163d05..84de9e1d7 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
   "guppylang": "1.0.0-a5",
-  "guppylang-internals": "1.0.0-a5"
+  "guppylang-internals": "1.0.0-a6"
 }
diff --git a/guppylang-internals/CHANGELOG.md b/guppylang-internals/CHANGELOG.md
index a24a4b20a..f6d2cd54a 100644
--- a/guppylang-internals/CHANGELOG.md
+++ b/guppylang-internals/CHANGELOG.md
@@ -3,6 +3,37 @@
 First release of `guppylang_internals` package containing refactored out internal components
 from `guppylang`.
 
+## [1.0.0-a6](https://github.com/Quantinuum/guppylang/compare/guppylang-internals-v1.0.0-a5...guppylang-internals-v1.0.0-a6) (2026-06-19)
+
+
+### ⚠ BREAKING CHANGES
+
+* Remove deprecated reexports and leave custom import errors ([#1886](https://github.com/Quantinuum/guppylang/issues/1886))
+* Remove deprecated decorators, functions, and sync dummy interface ([#1855](https://github.com/Quantinuum/guppylang/issues/1855))
+* Allow implicit self args in protocols ([#1770](https://github.com/Quantinuum/guppylang/issues/1770))
+* rename result and state_result to output and state_output ([#1871](https://github.com/Quantinuum/guppylang/issues/1871))
+
+### Features
+
+* Allow implicit self args in protocols ([#1770](https://github.com/Quantinuum/guppylang/issues/1770)) ([cecc955](https://github.com/Quantinuum/guppylang/commit/cecc955a50c00fc8fc3c770e7ccbfb932d845b5b))
+
+
+### Bug Fixes
+
+* Disable imprecise array indexing check ([#1859](https://github.com/Quantinuum/guppylang/issues/1859)) ([9f2afe0](https://github.com/Quantinuum/guppylang/commit/9f2afe045e886869bfa6789f2e7ed0a064e12e10))
+
+
+### Performance Improvements
+
+* More efficient calling frame detection ([#1884](https://github.com/Quantinuum/guppylang/issues/1884)) ([487a8ac](https://github.com/Quantinuum/guppylang/commit/487a8ac51068cec688d3794fcd59848896157a34))
+
+
+### Code Refactoring
+
+* Remove deprecated decorators, functions, and sync dummy interface ([#1855](https://github.com/Quantinuum/guppylang/issues/1855)) ([68b217c](https://github.com/Quantinuum/guppylang/commit/68b217c92350b3e3ebe40779b7d97e0955f945f9))
+* Remove deprecated reexports and leave custom import errors ([#1886](https://github.com/Quantinuum/guppylang/issues/1886)) ([3c19192](https://github.com/Quantinuum/guppylang/commit/3c1919266b82e039017394f23bccf9381fda5a6b))
+* rename result and state_result to output and state_output ([#1871](https://github.com/Quantinuum/guppylang/issues/1871)) ([a6a6ff6](https://github.com/Quantinuum/guppylang/commit/a6a6ff6ce3220fec258b22cb412cb8314d661302))
+
 ## [1.0.0-a5](https://github.com/Quantinuum/guppylang/compare/guppylang-internals-v1.0.0-a4...guppylang-internals-v1.0.0-a5) (2026-06-15)
 
 
diff --git a/guppylang-internals/pyproject.toml b/guppylang-internals/pyproject.toml
index a99c845a8..c41b7815a 100644
--- a/guppylang-internals/pyproject.toml
+++ b/guppylang-internals/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "guppylang-internals"
-version = "1.0.0-a5"
+version = "1.0.0-a6"
 requires-python = ">=3.10,<4"
 description = "Compiler internals for `guppylang` package."
 license = { file = "LICENCE" }
diff --git a/guppylang-internals/src/guppylang_internals/__init__.py b/guppylang-internals/src/guppylang_internals/__init__.py
index 2a31946be..0eda81bd8 100644
--- a/guppylang-internals/src/guppylang_internals/__init__.py
+++ b/guppylang-internals/src/guppylang_internals/__init__.py
@@ -1,3 +1,3 @@
 # This is updated by our release-please workflow, triggered by this
 # annotation: x-release-please-version
-__version__ = "1.0.0-a5"
+__version__ = "1.0.0-a6"