diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1580391f..c2774e4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 # Changelog
+### 2.0.0 - 2023-09-22
+- feat: adding ordinary least squares regression solver. Updating quantile regression to solve dual [#11](https://github.com/washingtonpost/elex-solver/pull/11)
 
 ### 1.1.0 - 2023-04-21
 - fix: Not regularizing intercept coefficient + better warning handling [#8](https://github.com/washingtonpost/elex-solver/pull/8)
diff --git a/setup.py b/setup.py
index 8a2236d7..681c4df9 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
     LONG_DESCRIPTION = f.read()
 
 # The full version, including alpha/beta/rc tags
-RELEASE = "1.1.0"
+RELEASE = "2.0.0"
 # The short X.Y version
 VERSION = ".".join(RELEASE.split(".")[:2])