diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29dad7a77423..6dbc1bd55ec1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,19 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project does not yet adhere to [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
 for setuptools_scm/PEP 440 reasons.
 
+## 1.0rc9 aka Release Candidate 9 - 2020-03-16
+
+
+### Changed
+- This is a hard fork/breaking change from RC6/7/8. The current plan is to drop the flag at noon pacific time, today 3/16.
+- Using the real prefarm keys for this test
+
+### Fixed
+- Found and fixed another green flag related issue
+- Fixed an issue with weight proofs where all sub-epochs were sampled, and the size of the weight proof kept growing
+- Fixed an issue with install-gui.sh, where npm audit fix was failing. (Thanks @Depado!)
+
+
 ## 1.0rc8 aka Release Candidate 8 - 2020-03-15
 
 ### Added
diff --git a/install-gui.sh b/install-gui.sh
index b6a48faa1437..79cab140ba6b 100644
--- a/install-gui.sh
+++ b/install-gui.sh
@@ -80,7 +80,7 @@ if [ ! "$CI" ]; then
 	fi
 
 	npm install
-	npm audit fix
+	npm audit fix || true
 	npm run locale:extract
 	npm run locale:compile
 	npm run build
diff --git a/src/cmds/init.py b/src/cmds/init.py
index 1771a3d9fd9b..4ee8a6b94846 100644
--- a/src/cmds/init.py
+++ b/src/cmds/init.py
@@ -380,9 +380,9 @@ def chia_init(root_path: Path):
         # This is reached if CHIA_ROOT is set, or if user has run chia init twice
         # before a new update.
         config: Dict = load_config(root_path, "config.yaml")
-        if config["selected_network"] != "testnet8":
+        if config["selected_network"] != "testnet9":
             # Rc6, Rc7 -> Rc8 migration
-            tmp_path = Path(os.path.expanduser(Path("~/.chia/testnet8-tmp")))
+            tmp_path = Path(os.path.expanduser(Path("~/.chia/testnet9-tmp")))
             if tmp_path.exists():
                 shutil.rmtree(tmp_path)
             assert migrate_from(root_path, tmp_path, manifest, DO_NOT_MIGRATE_SETTINGS)
diff --git a/src/util/initial-config.yaml b/src/util/initial-config.yaml
index 4e94085e6acd..3b5be82bcd16 100644
--- a/src/util/initial-config.yaml
+++ b/src/util/initial-config.yaml
@@ -33,6 +33,13 @@ network_overrides: &network_overrides
       NETWORK_TYPE: 1
       GENESIS_PRE_FARM_POOL_PUZZLE_HASH: "70ac50c1faf71293113e7572e538234065ead0c193241256a620d6f52e06d86a"
       GENESIS_PRE_FARM_FARMER_PUZZLE_HASH: "9e6a07d5cbc019b2fdef559d7c7f8d2a80412546ad6e00c67a19bcdcacd32cab"
+    testnet9:
+      DIFFICULTY_CONSTANT_FACTOR: 36893488147419103232 # 2^65
+      INITIAL_FREEZE_PERIOD: 3000
+      GENESIS_CHALLENGE: null
+      NETWORK_TYPE: 1
+      GENESIS_PRE_FARM_POOL_PUZZLE_HASH: "d23da14695a188ae5708dd152263c4db883eb27edeb936178d4d988b8f3ce5fc"
+      GENESIS_PRE_FARM_FARMER_PUZZLE_HASH: "3d8765d3a597ec1d99663f6c9816d915b9f68613ac94009884c4addaefcce6af"
   config:
     mainnet:
       address_prefix: "xch"
@@ -44,9 +51,11 @@ network_overrides: &network_overrides
       address_prefix: "txch"
     testnet8:
       address_prefix: "txch"
+    testnet9:
+      address_prefix: "txch"
 
-selected_network: &selected_network "testnet8"
-ALERTS_URL: https://download.chia.net/notify/testnet_8_alert.txt
+selected_network: &selected_network "testnet9"
+ALERTS_URL: https://download.chia.net/notify/testnet_9_alert.txt
 CHIA_ALERTS_PUBKEY: 89b7fd87cb56e926ecefb879a29aae308be01f31980569f6a75a69d2a9a69daefd71fb778d865f7c50d6c967e3025937
 
 # public ssl ca is included in source code