diff --git a/Cargo.lock b/Cargo.lock
index 54fd1aa..e3976b1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -706,9 +706,9 @@ checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "openssl"
-version = "0.10.60"
+version = "0.10.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79a4c6c3a2b158f7f8f2a2fc5a969fa3a068df6fc9dbb4a43845436e3af7c800"
+checksum = "9529f4786b70a3e8c61e11179af17ab6188ad8d0ded78c5529441ed39d4bd9c1"
 dependencies = [
  "bitflags 2.4.0",
  "cfg-if",
@@ -732,18 +732,18 @@ dependencies = [
 
 [[package]]
 name = "openssl-src"
-version = "300.1.3+3.1.2"
+version = "300.3.1+3.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd2c101a165fff9935e34def4669595ab1c7847943c42be86e21503e482be107"
+checksum = "7259953d42a81bf137fbbd73bd30a8e1914d6dce43c2b90ed575783a22608b91"
 dependencies = [
  "cc",
 ]
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.96"
+version = "0.9.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3812c071ba60da8b5677cc12bcb1d42989a65553772897a7e0355545a819838f"
+checksum = "7f9e8deee91df40a943c71b917e5874b951d32a802526c85721ce3b776c929d6"
 dependencies = [
  "cc",
  "libc",
diff --git a/Cargo.toml b/Cargo.toml
index 1052464..44edbfa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ required-features = ["clap"]
 
 [dependencies]
 indicatif = "0.17.6"
-openssl = "0.10.60"
+openssl = "0.10.66"
 postgres = "0.19.7"
 postgres-openssl = "0.5.0"
 rand = "0.8.5"
diff --git a/compressor_integration_tests/Cargo.toml b/compressor_integration_tests/Cargo.toml
index ffdd764..9a852cd 100644
--- a/compressor_integration_tests/Cargo.toml
+++ b/compressor_integration_tests/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 [dependencies]
 string_cache = "0.8.7"
 serial_test = "2.0.0"
-openssl = "0.10.60"
+openssl = "0.10.66"
 postgres = "0.19.7"
 postgres-openssl = "0.5.0"
 rand = "0.8.5"
diff --git a/synapse_auto_compressor/Cargo.toml b/synapse_auto_compressor/Cargo.toml
index 4c16787..1976dd3 100644
--- a/synapse_auto_compressor/Cargo.toml
+++ b/synapse_auto_compressor/Cargo.toml
@@ -9,7 +9,7 @@ name = "synapse_auto_compressor"
 required-features = ["clap"]
 
 [dependencies]
-openssl = { version = "0.10.60", features = ["vendored"] }
+openssl = { version = "0.10.66", features = ["vendored"] }
 postgres = "0.19.7"
 postgres-openssl = "0.5.0"
 rand = "0.8.5"