diff --git a/src/rust/Cargo.lock b/src/rust/Cargo.lock
index 091f763dee64..f3f5426dcfab 100644
--- a/src/rust/Cargo.lock
+++ b/src/rust/Cargo.lock
@@ -216,9 +216,9 @@ dependencies = [
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.99"
+version = "0.9.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22e1bf214306098e4832460f797824c05d25aacdf896f64a985fb0fd992454ae"
+checksum = "ae94056a791d0e1217d18b6cbdccb02c61e3054fc69893607f4067e3bb0b1fd1"
 dependencies = [
  "cc",
  "libc",
diff --git a/src/rust/Cargo.toml b/src/rust/Cargo.toml
index 698328596665..4d016e61e578 100644
--- a/src/rust/Cargo.toml
+++ b/src/rust/Cargo.toml
@@ -19,7 +19,7 @@ cryptography-x509-verification = { path = "cryptography-x509-verification" }
 cryptography-openssl = { path = "cryptography-openssl" }
 pem = { version = "3", default-features = false }
 openssl = "0.10.63"
-openssl-sys = "0.9.99"
+openssl-sys = "0.9.100"
 foreign-types-shared = "0.1"
 self_cell = "1"
 
diff --git a/src/rust/cryptography-cffi/Cargo.toml b/src/rust/cryptography-cffi/Cargo.toml
index a025e58ceda7..af977b0d6a51 100644
--- a/src/rust/cryptography-cffi/Cargo.toml
+++ b/src/rust/cryptography-cffi/Cargo.toml
@@ -9,7 +9,7 @@ rust-version = "1.63.0"
 
 [dependencies]
 pyo3 = { version = "0.20", features = ["abi3"] }
-openssl-sys = "0.9.99"
+openssl-sys = "0.9.100"
 
 [build-dependencies]
 cc = "1.0.83"
diff --git a/src/rust/cryptography-key-parsing/Cargo.toml b/src/rust/cryptography-key-parsing/Cargo.toml
index f2ae0b6e4aed..5799701f8457 100644
--- a/src/rust/cryptography-key-parsing/Cargo.toml
+++ b/src/rust/cryptography-key-parsing/Cargo.toml
@@ -11,5 +11,5 @@ rust-version = "1.63.0"
 asn1 = { version = "0.16.0", default-features = false }
 cfg-if = "1"
 openssl = "0.10.63"
-openssl-sys = "0.9.99"
+openssl-sys = "0.9.100"
 cryptography-x509 = { path = "../cryptography-x509" }