diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d67d88..5943f57 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [commit-and-tag-version](https://github.com/absolute-version/commit-and-tag-version) for commit guidelines.
 
+## 0.34.0 (2023-07-21)
+
+
+### Features
+
+* Add OSSF Scorecard badge to top-level README
+
 ## 0.33.0 (2023-07-20)
 
 
diff --git a/README.md b/README.md
index 7166d52..3ba69a9 100644
--- a/README.md
+++ b/README.md
@@ -29,3 +29,7 @@ For example, to execute `curl`:
 ```sh
 tools/curl --help
 ```
+
+---
+
+[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/privacysandbox/build-system/badge)](https://securityscorecards.dev/viewer/?uri=github.com/privacysandbox/build-system)
diff --git a/version.txt b/version.txt
index 7d07a19..75544d7 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.33.0
\ No newline at end of file
+0.34.0
\ No newline at end of file