diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3029b55b2..afb7c55dc9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -170,9 +170,6 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Removed duplicated file extension when uploading model checkpoints with `NeptuneLogger` ([#11015](https://github.com/PyTorchLightning/pytorch-lightning/pull/11015))
 
 
-- Changed `LSFEnvironment` to use `LSB_DJOB_RANKFILE` environment variable instead of `LSB_HOSTS` for determining node rank and main address ([#10825](https://github.com/PyTorchLightning/pytorch-lightning/pull/10825))
-
-
 - Removed `__getstate__` and `__setstate__` of `RichProgressBar` ([#11100](https://github.com/PyTorchLightning/pytorch-lightning/pull/11100))
 
 
@@ -244,6 +241,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Sorted `SimpleProfiler(extended=False)` summary based on mean duration for each hook ([#11671](https://github.com/PyTorchLightning/pytorch-lightning/pull/11671))
 
 
+- Avoid enforcing `shuffle=False` for eval dataloaders ([#11575](https://github.com/PyTorchLightning/pytorch-lightning/pull/11575))
+
+
 ### Deprecated
 
 - Deprecated `ClusterEnvironment.master_{address,port}` in favor of `ClusterEnvironment.main_{address,port}` ([#10103](https://github.com/PyTorchLightning/pytorch-lightning/pull/10103))
@@ -473,6 +473,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed wrong typehint for `Trainer.lightning_optimizers` ([#11155](https://github.com/PyTorchLightning/pytorch-lightning/pull/11155))
 
 
+- Fixed the lr-scheduler state not being dumped to checkpoint when using the deepspeed strategy ([#11307](https://github.com/PyTorchLightning/pytorch-lightning/pull/11307))
+
+
 - Fixed bug where the path for "last" checkpoints was not getting saved correctly which caused newer runs to not remove the previous "last" checkpoint ([#11481](https://github.com/PyTorchLightning/pytorch-lightning/pull/11481))
 
 
@@ -488,19 +491,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed type promotion when tensors of higher category than float are logged ([#11401](https://github.com/PyTorchLightning/pytorch-lightning/pull/11401))
 
 
-- Fixed the lr-scheduler state not being dumped to checkpoint when using the deepspeed strategy ([#11307](https://github.com/PyTorchLightning/pytorch-lightning/pull/11307))
-
-
-- Fixed bug where progress bar was not being disabled when not in rank zero during predict ([#11377](https://github.com/PyTorchLightning/pytorch-lightning/pull/11377))
-
-
 - Fixed `SimpleProfiler` summary ([#11414](https://github.com/PyTorchLightning/pytorch-lightning/pull/11414))
 
 
-- Avoid enforcing `shuffle=False` for eval dataloaders ([#11575](https://github.com/PyTorchLightning/pytorch-lightning/pull/11575))
-
-
-- Disbled sampler replacement when using `IterableDataset` ([#11507](https://github.com/PyTorchLightning/pytorch-lightning/pull/11507))
+- Fixed bug where progress bar was not being disabled when not in rank zero during predict ([#11377](https://github.com/PyTorchLightning/pytorch-lightning/pull/11377))
 
 
 - Fixed an issue to avoid val bar disappear after `trainer.validate()` ([#11700](https://github.com/PyTorchLightning/pytorch-lightning/pull/11700))
@@ -527,6 +521,20 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed an issue to avoid validation loop run on restart ([#11552](https://github.com/PyTorchLightning/pytorch-lightning/pull/11552))
 
 
+## [1.5.9] - 2022-01-20
+
+### Fixed
+
+- Pinned sphinx-autodoc-typehints with <v1.15 ([#11400](https://github.com/PyTorchLightning/pytorch-lightning/pull/11400))
+- Skipped testing with PyTorch 1.7 and Python 3.9 on Ubuntu ([#11217](https://github.com/PyTorchLightning/pytorch-lightning/pull/11217))
+- Fixed type promotion when tensors of higher category than float are logged ([#11401](https://github.com/PyTorchLightning/pytorch-lightning/pull/11401))
+- Fixed the format of the configuration saved automatically by the CLI's `SaveConfigCallback` ([#11532](https://github.com/PyTorchLightning/pytorch-lightning/pull/11532))
+
+### Changed
+- Changed `LSFEnvironment` to use `LSB_DJOB_RANKFILE` environment variable instead of `LSB_HOSTS` for determining node rank and main address ([#10825](https://github.com/PyTorchLightning/pytorch-lightning/pull/10825))
+- Disabled sampler replacement when using `IterableDataset` ([#11507](https://github.com/PyTorchLightning/pytorch-lightning/pull/11507))
+
+
 ## [1.5.8] - 2022-01-05
 
 ### Fixed