diff --git a/README.md b/README.md
index 0427b9936c..f03d785426 100644
--- a/README.md
+++ b/README.md
@@ -134,7 +134,7 @@ build
     └── metadata.json
 ```
 
-For the Github release, you just need to upload the `checksums.txt` and `celestia-app_Linux_x86_64.tar.gz` files. 
+For the Github release, you just need to upload the `checksums.txt` and `celestia-app_Linux_x86_64.tar.gz` files.
 
 ### Docs
 
@@ -145,6 +145,10 @@ Package-specific READMEs aim to explain implementation details for developers th
 - [x/blob](./x/blob/README.md)
 - [x/qgb](./x/qgb/README.md)
 
+## Audits
+
+[Informal Systems](https://informal.systems/) audited celestia-app [v1.0.0-rc6](https://github.com/celestiaorg/celestia-app/releases/tag/v1.0.0-rc6) in Q3 of 2023. See [audit/informal-systems.pdf](audit/informal-systems.pdf) for the full report.
+
 ## Careers
 
 We are hiring Go engineers! Join us in building the future of blockchain scaling and interoperability. [Apply here](https://jobs.lever.co/celestia).
diff --git a/audit/informal-systems.pdf b/audit/informal-systems.pdf
new file mode 100644
index 0000000000..7e8451e6e7
Binary files /dev/null and b/audit/informal-systems.pdf differ