diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a595065..cf4fbc6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,48 @@
 # Revision History
 
+## 2.0.0rc1 (Aug 30, 2018)
+
+Changes included in release:
+
+- Added algorithms:
+    - basic:
+        - Camel algorithm
+        - Evolution Strategy
+        - Fireworks algorithm
+        - Glowworm swarm optimization
+        - Harmony search algorithm
+        - Krill Herd Algorithm
+        - Monkey King Evolution
+        - Multiple trajectory search
+        - Sine Cosine Algorithm
+    - modified:
+        - Dynamic population size self-adaptive differential evolution algorithm
+    - other:
+        - Anarchic society optimization algorithm
+        - Hill climbing algorithm
+        - Multiple trajectory search
+        - Nelder mead method or downhill simplex method or amoeba method
+        - Simulated annealing algorithm
+
+- Added benchmarks functions:
+    - Discus
+    - Dixon-Price
+    - Elliptic
+    - HGBat
+    - Katsuura
+    - Levy
+    - Michalewicz
+    - Perm
+    - Powell
+    - Sphere2 -> Sphere with different powers
+    - Sphere3 -> Rotated hyper-ellipsoid
+    - Trid
+    - Weierstrass
+    - Zakharov
+
+- **breaking changes** in algorithms structure
+- various bugfixes
+
 ## 1.0.1 (Mar 21, 2018)
 
 This release reflects the changes from Journal of Open Source Software (JOSS) review:
diff --git a/README.rst b/README.rst
index 72ccdf0d..612f74ee 100644
--- a/README.rst
+++ b/README.rst
@@ -198,6 +198,49 @@ fits your purposes or that it is bug-free. Use it at your own risk!
 Revision History
 ================
 
+2.0.0rc1 (Aug 30, 2018)
+-----------------------
+Changes included in release:
+
+- Added algorithms:
+    - basic:
+        - Camel algorithm
+        - Evolution Strategy
+        - Fireworks algorithm
+        - Glowworm swarm optimization
+        - Harmony search algorithm
+        - Krill Herd Algorithm
+        - Monkey King Evolution
+        - Multiple trajectory search
+        - Sine Cosine Algorithm
+    - modified:
+        - Dynamic population size self-adaptive differential evolution algorithm
+    - other:
+        - Anarchic society optimization algorithm
+        - Hill climbing algorithm
+        - Multiple trajectory search
+        - Nelder mead method or downhill simplex method or amoeba method
+        - Simulated annealing algorithm
+
+- Added benchmarks functions:
+    - Discus
+    - Dixon-Price
+    - Elliptic
+    - HGBat
+    - Katsuura
+    - Levy
+    - Michalewicz
+    - Perm
+    - Powell
+    - Sphere2 -> Sphere with different powers
+    - Sphere3 -> Rotated hyper-ellipsoid
+    - Trid
+    - Weierstrass
+    - Zakharov
+
+- **breaking changes** in algorithms structure
+- various bugfixes
+
 1.0.1 (Mar 21, 2018)
 --------------------
 This release reflects the changes from Journal of Open Source Software (JOSS) review:
diff --git a/docs/source/changelog.rst b/docs/source/changelog.rst
index 9c79dd89..5ed21901 100644
--- a/docs/source/changelog.rst
+++ b/docs/source/changelog.rst
@@ -3,6 +3,49 @@ Changelog
 
 We are using `semantic versioning <https://semver.org/>`_.
 
+2.0.0rc1 (Aug 30, 2018)
+-----------------------
+Changes included in release:
+
+- Added algorithms:
+    - basic:
+        - Camel algorithm
+        - Evolution Strategy
+        - Fireworks algorithm
+        - Glowworm swarm optimization
+        - Harmony search algorithm
+        - Krill Herd Algorithm
+        - Monkey King Evolution
+        - Multiple trajectory search
+        - Sine Cosine Algorithm
+    - modified:
+        - Dynamic population size self-adaptive differential evolution algorithm
+    - other:
+        - Anarchic society optimization algorithm
+        - Hill climbing algorithm
+        - Multiple trajectory search
+        - Nelder mead method or downhill simplex method or amoeba method
+        - Simulated annealing algorithm
+
+- Added benchmarks functions:
+    - Discus
+    - Dixon-Price
+    - Elliptic
+    - HGBat
+    - Katsuura
+    - Levy
+    - Michalewicz
+    - Perm
+    - Powell
+    - Sphere2 -> Sphere with different powers
+    - Sphere3 -> Rotated hyper-ellipsoid
+    - Trid
+    - Weierstrass
+    - Zakharov
+
+- **breaking changes** in algorithms structure
+- various bugfixes
+
 1.0.1 (Mar 21, 2018)
 --------------------
 This release reflects the changes from Journal of Open Source Software (JOSS) review: