diff --git a/sdk/chaos/azure-mgmt-chaos/_meta.json b/sdk/chaos/azure-mgmt-chaos/_meta.json
index fa16ba4a6c48..d31ad2a45031 100644
--- a/sdk/chaos/azure-mgmt-chaos/_meta.json
+++ b/sdk/chaos/azure-mgmt-chaos/_meta.json
@@ -4,7 +4,7 @@
     "@autorest/python@5.8.4",
     "@autorest/modelerfour@4.19.2"
   ],
-  "commit": "1e00e8d52c5da01410e898db01c4954c7bd29ba5",
+  "commit": "942a287c3a9415862b107d1010eaa761f99c9f8e",
   "repository_url": "https://github.com/Azure/azure-rest-api-specs",
   "autorest_command": "autorest specification/chaos/resource-manager/readme.md --multiapi --python --python-mode=update --python-sdks-folder=/home/vsts/work/1/s/azure-sdk-for-python/sdk --track2 --use=@autorest/python@5.8.4 --use=@autorest/modelerfour@4.19.2 --version=3.4.5",
   "readme": "specification/chaos/resource-manager/readme.md"
diff --git a/sdk/chaos/azure-mgmt-chaos/azure/mgmt/chaos/_version.py b/sdk/chaos/azure-mgmt-chaos/azure/mgmt/chaos/_version.py
index dfa6ee022f15..e5754a47ce68 100644
--- a/sdk/chaos/azure-mgmt-chaos/azure/mgmt/chaos/_version.py
+++ b/sdk/chaos/azure-mgmt-chaos/azure/mgmt/chaos/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "1.0.0b2"
+VERSION = "1.0.0b1"