diff --git a/sources/update-sources.sh b/sources/update-sources.sh
index 386f1c9..0f66b56 100755
--- a/sources/update-sources.sh
+++ b/sources/update-sources.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -exou pipefail
+set -eou pipefail
 
 DIRECTORY=$(realpath "$(dirname "$0")")
 
@@ -26,3 +26,4 @@ jq --null-input \
     --arg hash "$LAYMAN_HASH" \
     '{"rev": $rev, "hash": $hash}' \
     > $DIRECTORY/layman.json
+echo "layman now at $LAYMAN_REV"
diff --git a/update.sh b/update.sh
new file mode 100755
index 0000000..66bd3b1
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -eou pipefail
+
+DIRECTORY=$(realpath "$(dirname "$0")")
+
+# Update our sources first
+$DIRECTORY/sources/update-sources.sh
+
+# Then update the flake
+nix flake update
+
+# Make sure we still build our systems
+nix build .#nixosConfigurations.oracles.config.system.build.toplevel
+nix build .#nixosConfigurations.matrix.config.system.build.toplevel
+nix build .#nixosConfigurations.tounge.config.system.build.toplevel
+nix build .#nixosConfigurations.perception.config.system.build.toplevel
+nix build .#nixosConfigurations.fusion.config.system.build.toplevel
+
+# Collect garbage
+nix-collect-garbage