diff --git a/crypto/Cargo.toml b/crypto/Cargo.toml
index feea1fd91..14dedefa2 100644
--- a/crypto/Cargo.toml
+++ b/crypto/Cargo.toml
@@ -10,7 +10,6 @@ zerotier-utils = { path = "../utils" }
 ed25519-dalek = { version = "1.0.1", features = ["std", "u64_backend"], default-features = false }
 foreign-types = "0.3.1"
 lazy_static = "^1"
-openssl = { version = "^0", features = [], default-features = false }
 poly1305 = { version = "0.8.0", features = [], default-features = false }
 pqc_kyber = { path = "../third_party/kyber", features = ["kyber1024", "reference"], default-features = false }
 #pqc_kyber = { version = "^0", features = ["kyber1024", "reference"], default-features = false }
@@ -19,6 +18,15 @@ rand_core_062 = { package = "rand_core", version = "0.6.2" }
 subtle = "2.4.1"
 x25519-dalek = { version = "1.2.0", features = ["std", "u64_backend"], default-features = false }
 
+[target."cfg(windows)".dependencies]
+openssl = { version = "^0", features = ["vendored"], default-features = false }
+winapi = { version = "^0", features = ["handleapi", "ws2ipdef", "ws2tcpip"] }
+
+[target."cfg(not(windows))".dependencies]
+openssl = { version = "^0", features = [], default-features = false }
+libc = "^0"
+signal-hook = "^0"
+
 [dev-dependencies]
 criterion = "0.3"
 sha2 = "^0"