diff --git a/crypto/fipsmodule/FIPS.md b/crypto/fipsmodule/FIPS.md
index 3a733a81f..9b58ab383 100644
--- a/crypto/fipsmodule/FIPS.md
+++ b/crypto/fipsmodule/FIPS.md
@@ -12,6 +12,7 @@ BoringCrypto has undergone the following validations:
 1. 2018-07-30: certificate [#3318](https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/3318), [security policy](/crypto/fipsmodule/policydocs/BoringCrypto-Security-Policy-20180730.docx) (in docx format).
 1. 2019-08-08: certificate [#3678](https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/3678), [security policy](/crypto/fipsmodule/policydocs/BoringCrypto-Security-Policy-20190808.docx) (in docx format).
 1. 2019-10-20: certificate [#3753](https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/3753), [security policy](/crypto/fipsmodule/policydocs/BoringCrypto-Android-Security-Policy-20191020.docx) (in docx format).
+1. 2021-01-28: certificate [#4156](https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/4156).
 
 ## Running ACVP tests