diff --git a/Cargo.lock b/Cargo.lock
index e0f09fa..091fcfc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -397,23 +397,35 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "openssl"
-version = "0.10.35"
+version = "0.10.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "549430950c79ae24e6d02e0b7404534ecf311d94cc9f861e9e4020187d13d885"
+checksum = "518915b97df115dd36109bfa429a48b8f737bd05508cf9588977b599648926d2"
 dependencies = [
  "bitflags",
  "cfg-if",
  "foreign-types",
  "libc",
  "once_cell",
+ "openssl-macros",
  "openssl-sys",
 ]
 
+[[package]]
+name = "openssl-macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "openssl-sys"
-version = "0.9.65"
+version = "0.9.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a7907e3bfa08bb85105209cdfcb6c63d109f8f6c1ed6ca318fff5c1853fbc1d"
+checksum = "666416d899cf077260dac8698d60a60b435a46d57e82acb1be3d0dad87284e5b"
 dependencies = [
  "autocfg 1.0.1",
  "cc",
diff --git a/Cargo.toml b/Cargo.toml
index 94f50fa..1a9f863 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ num-bigint = "0.4.0"
 itertools = "0.10.1"
 cipher = { version="0.3.0", features=["std"] }
 byteorder = "1.4.3"
-openssl = "0.10.35"
+openssl = "0.10.48"
 pkcs8 = { version="0.7.0", features=["pem", "encryption"] }
 const-oid = "0.6.0"