diff --git a/Cargo.lock b/Cargo.lock
index 1af7bd0fb..cf50b79fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -632,9 +632,9 @@ dependencies = [
 
 [[package]]
 name = "flagset"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52a7e408202050813e6f1d9addadcaafef3dca7530c7ddfb005d4081cce6779"
+checksum = "cdeb3aa5e95cf9aabc17f060cfa0ced7b83f042390760ca53bf09df9968acaa1"
 
 [[package]]
 name = "fnv"
diff --git a/der/Cargo.toml b/der/Cargo.toml
index 73827f8c8..2bbdb5970 100644
--- a/der/Cargo.toml
+++ b/der/Cargo.toml
@@ -20,7 +20,7 @@ arbitrary = { version = "1.3", features = ["derive"], optional = true }
 bytes = { version = "1", optional = true, default-features = false }
 const-oid = { version = "=0.10.0-pre.2", optional = true }
 der_derive = { version = "=0.8.0-pre.0", optional = true }
-flagset = { version = "0.4.4", optional = true }
+flagset = { version = "0.4.5", optional = true }
 pem-rfc7468 = { version = "=1.0.0-pre.0", optional = true, features = ["alloc"] }
 time = { version = "0.3.4", optional = true, default-features = false }
 zeroize = { version = "1.5", optional = true, default-features = false }