diff --git a/README.md b/README.md
index f16c47d..edc8d4b 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ JWE JSON Serialization cross-tested with [JWCrypto](https://github.com/latchset/
 Library is fully FIPS compliant since v2.1
 
 ## Which version?
-- v5.1 support for experimental algorithms RSA-OAEP-384, RSA-OAEP-512
+- v5.1 support for experimental algorithms RSA-OAEP-384, RSA-OAEP-512 and forced strict AES-GCM to avoid trancated tags (see https://github.com/dotnet/runtime/issues/71366)
 
 - v5.0 brings Linux, OSX and FreeBSD compatibility for [ECDH encryption](#ecdh-es-and-ecdh-es-with-aes-key-wrap-key-management-family-of-algorithms) as long as managed `ECDsa` keys support. Fixes cross compatibility issues with encryption over NIST P-384, P-521 curves. And introduces new [security fixes and controls](#customizing-compression).