diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 75a28890..3c921684 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -5,7 +5,48 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.1.0] - 2023-11-27
+
+### Added
+
+- Unifying SAT xor diff and checker models
+- create new a51 stream cipher with fsr component.
+- create new tinyjambu permutation with fsr component.
+- create new spongent pi permutation with fsr component.
+- component_values to Minizinc output model
+- Adding graph generator based on cipher component IDs
+- create new BEA-1 cipher
+- Adding max number of carries
+- vectorized implementation of neural_network distinguishers and support for training round selection
+- possibility to check differential trails automatically
+- Compounded Xor Differential Cipher
+- Salsa Permutation
+
+### Changed
+
+- Moved get_key_schedule_component_ids
+- replaced BEA1 concatenate component for CP compatibility
+- update cipher documentation with BEA-1
+- window_size heuristic
+- Latin Dances Ciphers
+- Extracting init method from Salsa/Chacha
+- Extracting methods from Salsa/ChaCha Extracting common methods from Salsa/ChaCha to util latin dances
+- removing duplicate code
+
+### Fixed
+
+- Add ciphers folder to SonarCloud exclusion.
+- xor-diff-mzn-model
+- upgrade Tensorflow to work with m1 architecture
+- compactification of cipher in SAT
+- fix the bug of the nist_statistical_tests_test.py when the experiments folder existed, then the nist sts tools will stopped. fix the bug that some nist test files generated during runtime has incorrect read write permission.
+- MILP external file paths are now absolute
+- solver name added to input files names for testing cp models
+- find_one_xor_differential_trail in cp two steps model
+- test_find_all_xor_differential_trails_with_fixed_weight in two steps version
+- number of active sboxes constraint generation
+- updated instructions to set up Sagemath Python interpreter into PyCharm
+- Kissat parsing
 
 ## [1.0.0] - 2023-04-28
 
@@ -13,5 +54,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Everything! First public release.
 
-[unreleased]: https://github.com/Crypto-TII/claasp/compare/v1.0.0...HEAD
+[1.1.0]: https://github.com/Crypto-TII/claasp/releases/tag/v1.1.0
 [1.0.0]: https://github.com/Crypto-TII/claasp/releases/tag/v1.0.0
diff --git a/update_changelog.py b/update_changelog.py
index 7765df1e..a7786567 100644
--- a/update_changelog.py
+++ b/update_changelog.py
@@ -186,7 +186,7 @@ def get_headers_from_two_latest_releases(changelog_content: str) -> Tuple[str, s
 
 
 def update_changelog_version() -> None:
-    with open('./CHANGELOG.md', 'r+') as changelog_file:
+    with open('./docs/CHANGELOG.md', 'r+') as changelog_file:
         current_changelog = copy.deepcopy(changelog_file.read())
         new_version, previous_version = find_versions_from(current_changelog, commits)
         current_changelog = update_changelog(current_changelog, new_version, previous_version)