diff --git a/docs/user/getting-started.md b/docs/user/getting-started.md
index da279a8..b8e1eeb 100644
--- a/docs/user/getting-started.md
+++ b/docs/user/getting-started.md
@@ -28,6 +28,13 @@ project's root:
 nix-build -A appImage
 ```
 
+(*NOTE* Dependencies of `cryptic-net` seemingly compile all of musl and rust
+from scratch (it's not clear why, blame garage!). If you have not otherwise
+configured it, nix might be using a tmpfs as its build directory, and the
+capacity of this tmpfs will probably be exceeded by this build. You can change
+your build directory to somewhere on-disk by setting the TMPDIR environment
+variable for `nix-daemon` (see [this github issue][tmpdir-gh].))
+
 The resulting binary can be found in the `result` directory which is created.
 
 In this case you will need an admin to provide you with a `bootstrap.tgz` for
@@ -35,6 +42,8 @@ your host, rather than a custom binary. When running the daemon in the following
 steps you will need to provide the `--bootstrap-path` CLI argument to the daemon
 process.
 
+[tmpdir-gh]: https://github.com/NixOS/nix/issues/2098#issuecomment-383243838
+
 ## Running the Daemon
 
 Once you have a binary, you will need to run the `daemon` sub-command as the
diff --git a/garage/default.nix b/garage/default.nix
index 351efcf..a7a3d7d 100644
--- a/garage/default.nix
+++ b/garage/default.nix
@@ -6,16 +6,18 @@
 
 }: let
 
+  version = "0.8.0-rc1";
+
   src = fetchgit {
-    name = "garage-v0.6.0-unstable";
+    name = "garage-v${version}";
     url = "https://git.deuxfleurs.fr/Deuxfleurs/garage.git";
-    rev = "84613e66a286536dff9828d8aca2625d2c6c6bf2";
-    sha256 = "sha256-ZVf+PPNL/DkJW4asJwW6/xpXVzZWIvLhsqaKh65eATM=";
+    rev = "2197753dfdb25944e55c25d911ae6d14b8506c4d";
+    sha256 = "sha256-Rzwx1/vl3xg5bj4Chxj8VLBZ25zlPawOc+uMl3AHhkw=";
   };
 
 in rec {
 
-  garage = (import "${src}/default.nix") { release = true; };
+  garage = (import "${src}/default.nix") { git_version = version; };
 
   minioClient = minio-client;