diff --git a/Cargo.lock b/Cargo.lock
index 8ab2ed19..7a8baa10 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -147,6 +147,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "bit-vec"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b71798fca2c1fe1086445a7258a4bc81e6e49dcd24c8d0dd9a1e57395b603f51"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "bitflags"
 version = "2.11.0"
@@ -927,6 +936,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
 dependencies = [
  "serde_core",
+ "serde_derive",
 ]
 
 [[package]]
@@ -1381,10 +1391,11 @@ dependencies = [
 
 [[package]]
 name = "yasna"
-version = "0.5.2"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e17bb3549cc1321ae1296b9cdc2698e2b6cb1992adfa19a8c72e5b7a738f44cd"
+checksum = "b5f6765e852b9b4dc8e2a76843e4d64d1cea8e79bcde0b6901aea8e7c7f08282"
 dependencies = [
+ "bit-vec",
  "time",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index d821de35..17c838b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,5 +24,5 @@ ring = "0.17"
 rustls-webpki = { version = "0.103", features = ["ring", "std"] }
 time = { version = "0.3.6", default-features = false }
 x509-parser = "0.18"
-yasna = { version = "0.5.2", features = ["time", "std"] }
+yasna = { version = "0.6", features = ["time", "std"] }
 zeroize = { version = "1.2" }