diff --git a/graphene-pk11/graphene-pk11.d.ts b/graphene-pk11/graphene-pk11.d.ts
index b7d26bf94a..15d4d632a6 100644
--- a/graphene-pk11/graphene-pk11.d.ts
+++ b/graphene-pk11/graphene-pk11.d.ts
@@ -2131,6 +2131,7 @@ declare module "graphene-pk11" {
         SO_PIN_FINAL_TRY,
         SO_PIN_LOCKED,
         SO_PIN_TO_BE_CHANGED,
+        ERROR_STATE,
     }
 
     class Token extends HandleObject {
diff --git a/pkcs11js/pkcs11js.d.ts b/pkcs11js/pkcs11js.d.ts
index dcbdb401cb..d1b5314878 100644
--- a/pkcs11js/pkcs11js.d.ts
+++ b/pkcs11js/pkcs11js.d.ts
@@ -210,7 +210,7 @@ declare module "pkcs11js" {
          * @param {Handle} slot ID of token's slot
          * @returns {Handle[]} Gets mech. array
          */
-        C_GetMechanismList(slot: Handle): number[];
+        C_GetMechanismList(slot: Handle): Handle[];
         /**
          * Obtains information about a particular mechanism possibly supported by a token 
          * 
@@ -218,7 +218,7 @@ declare module "pkcs11js" {
          * @param {Handle} mech Type of mechanism
          * @returns {MechanismInfo} Receives mechanism info
          */
-        C_GetMechanismInfo(slot: Handle, mech: number): MechanismInfo;
+        C_GetMechanismInfo(slot: Handle, mech: Handle): MechanismInfo;
 
         /* Session management */
 
@@ -1192,6 +1192,7 @@ declare module "pkcs11js" {
     const CKF_WRAP: number;
     const CKF_UNWRAP: number;
     const CKF_DERIVE: number;
+    const CKF_CLOCK_ON_TOKEN: number;
 
     // Certificates
     const CKC_X_509: number;
@@ -1223,4 +1224,4 @@ declare module "pkcs11js" {
     const CK_PARAMS_RSA_OAEP: number;
     const CK_PARAMS_RSA_PSS: number;
     const CK_PARAMS_EC_DH: number;
-}
\ No newline at end of file
+}