diff --git a/openssl-sys/src/evp.rs b/openssl-sys/src/evp.rs
index a0b3fea94350b57ce9406e4559db29595f8a70bb..b4e74c1904fd5e11a25004f50b200c80725a0cf5 100644
--- a/openssl-sys/src/evp.rs
+++ b/openssl-sys/src/evp.rs
@@ -122,6 +122,13 @@ extern "C" {
         npubk: c_int,
     ) -> c_int;
     pub fn EVP_SealFinal(ctx: *mut EVP_CIPHER_CTX, out: *mut c_uchar, outl: *mut c_int) -> c_int;
+    pub fn EVP_EncryptInit_ex(
+        ctx: *mut EVP_CIPHER_CTX,
+        cipher: *const EVP_CIPHER,
+        impl_: *mut ENGINE,
+        key: *const c_uchar,
+        iv: *const c_uchar,
+    ) -> c_int;
     pub fn EVP_EncryptUpdate(
         ctx: *mut EVP_CIPHER_CTX,
         out: *mut c_uchar,
@@ -129,6 +136,11 @@ extern "C" {
         in_: *const u8,
         inl: c_int,
     ) -> c_int;
+    pub fn EVP_EncryptFinal_ex(
+        ctx: *mut EVP_CIPHER_CTX,
+        out: *mut c_uchar,
+        outl: *mut c_int,
+    ) -> c_int;
     pub fn EVP_OpenInit(
         ctx: *mut EVP_CIPHER_CTX,
         type_: *const EVP_CIPHER,
@@ -138,6 +150,13 @@ extern "C" {
         priv_: *mut EVP_PKEY,
     ) -> c_int;
     pub fn EVP_OpenFinal(ctx: *mut EVP_CIPHER_CTX, out: *mut c_uchar, outl: *mut c_int) -> c_int;
+    pub fn EVP_DecryptInit_ex(
+        ctx: *mut EVP_CIPHER_CTX,
+        cipher: *const EVP_CIPHER,
+        impl_: *mut ENGINE,
+        key: *const c_uchar,
+        iv: *const c_uchar,
+    ) -> c_int;
     pub fn EVP_DecryptUpdate(
         ctx: *mut EVP_CIPHER_CTX,
         out: *mut c_uchar,
@@ -145,6 +164,11 @@ extern "C" {
         in_: *const u8,
         inl: c_int,
     ) -> c_int;
+    pub fn EVP_DecryptFinal_ex(
+        ctx: *mut EVP_CIPHER_CTX,
+        outm: *mut c_uchar,
+        outl: *mut c_int
+    ) -> c_int;
 }
 cfg_if! {
     if #[cfg(any(ossl111b, libressl280))] {