diff --git a/flake.nix b/flake.nix
index 268197c..e9f4330 100644
--- a/flake.nix
+++ b/flake.nix
@@ -56,6 +56,7 @@
             # xbuild
 
             pkg-config
+            openssl
 
             # Common cargo tools we often use
             cargo-deny