diff --git a/README_SOURCE.md b/README_SOURCE.md
index 12ab52b4..a8f1bbad 100644
--- a/README_SOURCE.md
+++ b/README_SOURCE.md
@@ -453,6 +453,7 @@ _Libraries related to the financial domain._
 
 - [Cassandre](https://github.com/cassandre-tech/cassandre-trading-bot) - Trading bot framework.
 - [Joda-Money](https://github.com/JodaOrg/joda-money) - Basic currency and money classes and algorithms not provided by the JDK.
+- [nablatensor](https://github.com/nablatensor-dev/nablatensor) - Adjoint automatic differentiation for quantitative finance; records a valuation once and replays the tape to get a price and every Greek from one reverse sweep, on CPU, SIMD or GPU.
 - [OpenGamma Strata](https://github.com/OpenGamma/Strata) - Analytics and market risk library for financial products.
 - [Philadelphia](https://github.com/paritytrading/philadelphia) - Low-latency financial information exchange.
 - [Stripe](https://github.com/stripe/stripe-java) - Integration with the Stripe API.