diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d923b0f..e916a5e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         toolchain:
-          - 1.60.0 # MSRV
+          - 1.66.1 # MSRV
           - stable
           - beta
           - nightly
diff --git a/.gitignore b/.gitignore
index 96ef6c0..0c98f0d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /target
+/.idea
 Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
index c268efb..98e97ad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.6.0"
 authors = ["The Enarx Project Developers"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.60"
+rust-version = "1.66"
 homepage = "https://github.com/enarx/sgx"
 repository = "https://github.com/enarx/sgx"
 description = "Library for Intel SGX"
@@ -25,19 +25,19 @@ is-it-maintained-open-issues = { repository = "enarx/sgx" }
 rcrypto = ["rand", "rsa", "sha2", "num-integer", "num-traits", "const-oid", "der", "x509",]
 
 [dependencies]
-x86_64 = { version = "^0.14.6", default-features = false }
-openssl = { version = "^0.10.36", optional = true }
-bitflags = "^1.3.2"
+x86_64 = { version = "^0.14.11", default-features = false }
+openssl = { version = "^0.10.57", optional = true }
+bitflags = "^2.4.0"
 
 # Used by the rcrypto feature (see above).
-num-integer = { version = "^0.1.44", optional = true }
-num-traits = { version = "^0.2.14", optional = true }
-rand = { version = "^0.8.4", optional = true }
-sha2 = { version = "0.10.2", features = ["oid"], optional = true }
-rsa = { version = "0.8.1", features = ["sha2"], optional = true }
+num-integer = { version = "^0.1.45", optional = true }
+num-traits = { version = "^0.2.16", optional = true }
+rand = { version = "^0.8.5", optional = true }
+sha2 = { version = "0.10.8", features = ["oid"], optional = true }
+rsa = { version = "0.9.2", features = ["sha2"], optional = true }
 const-oid = { version = "0.9.1", default-features = false, optional = true }
-der = { version = "0.6.1", optional = true }
-x509 = { version = "0.1", package = "x509-cert", default-features = false, optional = true }
+der = { version = "0.7.8", optional = true }
+x509 = { version = "0.2.4", package = "x509-cert", default-features = false, optional = true }
 
 [target.'cfg(target_arch = "x86_64")'.dependencies]
 xsave = { version = "^2.0.0", default-features = false }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index d6414d5..7703945 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.60"
+channel = "1.66"
 profile = "minimal"
diff --git a/src/crypto/rcrypto.rs b/src/crypto/rcrypto.rs
index 2e13287..9f04b31 100644
--- a/src/crypto/rcrypto.rs
+++ b/src/crypto/rcrypto.rs
@@ -3,7 +3,8 @@
 use num_integer::Integer;
 use num_traits::ToPrimitive;
 use rand::thread_rng;
-use rsa::{pkcs1::DecodeRsaPrivateKey, BigUint, Pkcs1v15Sign, PublicKeyParts, RsaPrivateKey};
+use rsa::traits::PublicKeyParts;
+use rsa::{pkcs1::DecodeRsaPrivateKey, BigUint, Pkcs1v15Sign, RsaPrivateKey};
 use sha2::{Digest, Sha256};
 
 fn arr_from_big(value: &BigUint) -> [u8; 384] {
diff --git a/src/page/flags.rs b/src/page/flags.rs
index 2b41fbc..092227a 100644
--- a/src/page/flags.rs
+++ b/src/page/flags.rs
@@ -5,6 +5,7 @@ bitflags::bitflags! {
     ///
     /// This type identifies the flags of one or more pages. Some of these
     /// flags indicate permissions. Others, indicate state.
+    #[derive(Copy, Clone, Debug)]
     pub struct Flags: u8 {
         const READ = 1 << 0;
         const WRITE = 1 << 1;
diff --git a/src/parameters/attributes/features.rs b/src/parameters/attributes/features.rs
index d22b713..c637e97 100644
--- a/src/parameters/attributes/features.rs
+++ b/src/parameters/attributes/features.rs
@@ -2,7 +2,7 @@
 
 bitflags::bitflags! {
     /// Expresses the non-XSAVE related enclave features
-    #[derive(Default)]
+    #[derive(Copy, Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord)]
     pub struct Features: u64 {
         /// Enclave has been initialized by EINIT
         ///
diff --git a/src/parameters/mod.rs b/src/parameters/mod.rs
index 19a2e9c..f732896 100644
--- a/src/parameters/mod.rs
+++ b/src/parameters/mod.rs
@@ -22,7 +22,7 @@ bitflags::bitflags! {
     ///
     /// This type controls which extra data will be provided in the SSA page
     /// after an AEX.
-    #[derive(Default)]
+    #[derive(Copy, Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord)]
     pub struct MiscSelect: u32 {
         /// Report #PF and #GP information
         const EXINFO = 1 << 0;
diff --git a/src/pck/mod.rs b/src/pck/mod.rs
index 8dee57c..73677e3 100644
--- a/src/pck/mod.rs
+++ b/src/pck/mod.rs
@@ -43,8 +43,8 @@ impl<'a> SgxExtension<'a> {
             .find(|e| e.extn_id == SgxExtensionRaw::OID)
             .ok_or(SgxExtensionError::MissingSgxExtension)?;
 
-        let sgx_extension: SgxExtensionRaw =
-            Decode::from_der(extension.extn_value).map_err(SgxExtensionError::DerDecodingError)?;
+        let sgx_extension: SgxExtensionRaw = Decode::from_der(extension.extn_value.as_bytes())
+            .map_err(SgxExtensionError::DerDecodingError)?;
 
         Ok(Self {
             fmspc: sgx_extension.fmspc.bytes,