diff --git a/Cargo.lock b/Cargo.lock
index 8e074dd6..f0cdc7b5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -683,9 +683,9 @@ dependencies = [
 
 [[package]]
 name = "subtle"
-version = "2.5.0"
+version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
diff --git a/Cargo.toml b/Cargo.toml
index bc017393..7bba5f36 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ num-traits = { version= "0.2.9", default-features = false, features = ["libm"] }
 num-integer = { version = "0.1.39", default-features = false }
 rand_core = { version = "0.6.4", default-features = false }
 const-oid = { version = "=0.10.0-pre.2", default-features = false }
-subtle = { version = "2.1.1", default-features = false }
+subtle = { version = "2.6.1", default-features = false }
 digest = { version = "=0.11.0-pre.8", default-features = false, features = ["alloc", "oid"] }
 pkcs1 = { version = "=0.8.0-pre.0", default-features = false, features = ["alloc", "pkcs8"] }
 pkcs8 = { version = "=0.11.0-pre.0", default-features = false, features = ["alloc"] }