diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 064e56a8..44204dd0 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "1.8.1"
+    ".": "1.9.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a5dc698..271b64d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.9.0](https://github.com/launchdarkly/ldcli/compare/v1.8.1...v1.9.0) (2024-12-09)
+
+
+### Features
+
+* Add options to sync environment at dev-server startup ([#463](https://github.com/launchdarkly/ldcli/issues/463)) ([a9f61c5](https://github.com/launchdarkly/ldcli/commit/a9f61c5d4051c2664e57e19f9d4a82d682f78a3c))
+
 ## [1.8.1](https://github.com/launchdarkly/ldcli/compare/v1.8.0...v1.8.1) (2024-10-29)
 
 
diff --git a/PROVENANCE.md b/PROVENANCE.md
index 3a9a7a69..d27160fb 100644
--- a/PROVENANCE.md
+++ b/PROVENANCE.md
@@ -5,7 +5,7 @@ LaunchDarkly uses the [SLSA framework](https://slsa.dev/spec/v1.0/about) (Supply
 As part of [SLSA requirements for level 3 compliance](https://slsa.dev/spec/v1.0/requirements), LaunchDarkly publishes provenance about our package builds using [GitHub's generic SLSA3 provenance generator](https://github.com/slsa-framework/slsa-github-generator/blob/main/internal/builders/generic/README.md#generation-of-slsa3-provenance-for-arbitrary-projects) for distribution alongside our packages.
 
 <!-- x-release-please-start-version -->
-These attestations are available for download from the GitHub release page for the release version under Assets > `ldcli_1.8.1_multiple_provenance.intoto.jsonl`.
+These attestations are available for download from the GitHub release page for the release version under Assets > `ldcli_1.9.0_multiple_provenance.intoto.jsonl`.
 <!-- x-release-please-end -->
 
 To verify SLSA provenance attestations, we recommend using [slsa-verifier](https://github.com/slsa-framework/slsa-verifier). Example usage for verifying packages for Linux is included below: 
@@ -13,7 +13,7 @@ To verify SLSA provenance attestations, we recommend using [slsa-verifier](https
 <!-- x-release-please-start-version -->
 ```
 # Set the version of the PACKAGE to verify
-PACKAGE_VERSION=1.8.1
+PACKAGE_VERSION=1.9.0
 ```
 <!-- x-release-please-end -->
 
diff --git a/package.json b/package.json
index dbbd057e..5d08919a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@launchdarkly/ldcli",
   "description": "The official command line interface for managing LaunchDarkly feature flags.",
-  "version": "1.8.1",
+  "version": "1.9.0",
   "main": "index.js",
   "scripts": {
     "postinstall": "go-npm install",