diff --git a/Cargo.lock b/Cargo.lock
index adc1b595..9123c96e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1454,9 +1454,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "openssl"
-version = "0.10.39"
+version = "0.10.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28f3916d46d9d813a62d7b7d2724d7b14785ac999fb623d990ee4603f9122742"
+checksum = "fb81a6430ac911acb25fe5ac8f1d2af1b4ea8a4fdfda0f1ee4292af2e2d8eb0e"
 dependencies = [
  "bitflags",
  "cfg-if 1.0.0",
diff --git a/Cargo.toml b/Cargo.toml
index 350f9d9b..5f0acdd3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ env_logger = "0.9"
 itertools = "0.10"
 log = "0.4"
 num_cpus = "1.13"
-openssl = "0.10.38"
+openssl = "0.10.40"
 postgis = "0.9.0"
 postgres = { version = "0.19.1", features = ["with-time-0_2", "with-uuid-0_8", "with-serde_json-1"] }
 postgres-openssl = "0.5.0"