diff --git a/licenses.txt b/licenses.txt
index adc6f6fcbbd6fe3cf5aa279b527439357ffc9812..99f968d1d79e8ec1d07910fc04b1b0bc7db337cc 100644
--- a/licenses.txt
+++ b/licenses.txt
@@ -2,4 +2,7 @@ MIT:
 = https://spdx.org/licenses/MIT
 - This
 - git https://github.com/nektro/zig-extras
+- git https://github.com/nektro/zig-sys-freebsd
 - git https://github.com/nektro/zig-sys-linux
+- git https://github.com/nektro/zig-sys-netbsd
+- git https://github.com/nektro/zig-sys-openbsd
diff --git a/src/lib.zig b/src/lib.zig
index 3a1dd0a63ff873e3e2e3bae1252a76c5325feaca..e3057ac6c9c112fcadfe3d5938c3563a24dd1931 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -7,6 +7,9 @@ const linux = @import("sys-linux");
 
 const sys = switch (builtin.target.os.tag) {
     .linux => linux,
+    .freebsd => @import("sys-freebsd"),
+    .netbsd => @import("sys-netbsd"),
+    .openbsd => @import("sys-openbsd"),
     else => unreachable, // TODO:
 };
 
diff --git a/zig.mod b/zig.mod
index 2b8b3c69609a6e70e86c4e2630a2d65dceeda624..fcc79241eacbf99254f93207c3d5ddbfe407b681 100644
--- a/zig.mod
+++ b/zig.mod
@@ -6,3 +6,6 @@ description: Config management for Zig.
 dependencies:
   - src: git https://github.com/nektro/zig-extras
   - src: git https://github.com/nektro/zig-sys-linux
+  - src: git https://github.com/nektro/zig-sys-freebsd
+  - src: git https://github.com/nektro/zig-sys-netbsd
+  - src: git https://github.com/nektro/zig-sys-openbsd