diff --git a/webgear-benchmarks/webgear-benchmarks.cabal b/webgear-benchmarks/webgear-benchmarks.cabal
index cf94e64..b1efbd8 100644
--- a/webgear-benchmarks/webgear-benchmarks.cabal
+++ b/webgear-benchmarks/webgear-benchmarks.cabal
@@ -36,8 +36,7 @@ executable bench-users
                     , servant-server        >=0.16 && <0.19
                     , scotty                >=0.11.6 && <0.13
                     , webgear-server
-  ghc-options:        -O2
-                      -threaded
+  ghc-options:        -threaded
                       -rtsopts
                       -with-rtsopts=-N
                       -fwrite-ide-info
diff --git a/webgear-examples/webgear-examples.cabal b/webgear-examples/webgear-examples.cabal
index 84695c5..564a069 100644
--- a/webgear-examples/webgear-examples.cabal
+++ b/webgear-examples/webgear-examples.cabal
@@ -32,8 +32,7 @@ executable users
                     , http-types            ==0.12.*
                     , tagged                ==0.8.*
                     , webgear-server
-  ghc-options:        -O2
-                      -threaded
+  ghc-options:        -threaded
                       -rtsopts
                       -with-rtsopts=-N
                       -fwrite-ide-info
diff --git a/webgear-server/ChangeLog.md b/webgear-server/ChangeLog.md
index 0b0f8f4..115aee9 100644
--- a/webgear-server/ChangeLog.md
+++ b/webgear-server/ChangeLog.md
@@ -2,8 +2,13 @@
 
 ## Unreleased changes
 
+## [0.1.0] - 2020-08-16
+
 ### Added
 
 - Support basic traits and middlewares
 - Automated tests
 - Documentation
+
+[0.1.0]: https://github.com/rkaippully/webgear/compare/0.0.0...0.1.0
+[Unreleased]: https://github.com/rkaippully/webgear/compare/0.1.0...HEAD
diff --git a/webgear-server/webgear-server.cabal b/webgear-server/webgear-server.cabal
index 2618b2a..4e6d6bf 100644
--- a/webgear-server/webgear-server.cabal
+++ b/webgear-server/webgear-server.cabal
@@ -78,8 +78,7 @@ common webgear-common
                     , http-api-data         ==0.4.*
                     , aeson                 ==1.4.*
                     , tagged                ==0.8.*
-  ghc-options:        -O2
-                      -fwrite-ide-info
+  ghc-options:        -fwrite-ide-info
                       -hiedir=.hie
                       -Wall
                       -Wno-unticked-promoted-constructors