diff --git a/crates/asn1-parser/README.md b/crates/asn1-parser/README.md
index bf30f91..3797940 100644
--- a/crates/asn1-parser/README.md
+++ b/crates/asn1-parser/README.md
@@ -30,7 +30,7 @@ This `asn1` parser is aimed to parse input bytes and return an AST as the result
 
 ---
 
-- [ ] [GeneralizedTime](https://www.oss.com/asn1/resources/asn1-made-simple/asn1-quick-reference/generalizedtime.html)
+- [X] [GeneralizedTime](https://www.oss.com/asn1/resources/asn1-made-simple/asn1-quick-reference/generalizedtime.html)
 - [ ] [Time](https://www.oss.com/asn1/resources/asn1-made-simple/asn1-quick-reference/time.html)
 - [X] [UtcTime](https://www.oss.com/asn1/resources/asn1-made-simple/asn1-quick-reference/utctime.html)
 - [ ] [TimeOfDay](https://www.oss.com/asn1/resources/asn1-made-simple/asn1-quick-reference/timeofday.html)