diff --git a/hosts/containers/freifunk/sysinfo-json.nix b/hosts/containers/freifunk/sysinfo-json.nix
index 2bf4bd50..8c6c8e58 100644
--- a/hosts/containers/freifunk/sysinfo-json.nix
+++ b/hosts/containers/freifunk/sysinfo-json.nix
@@ -1,5 +1,6 @@
 { pkgs ? import <nixpkgs> { }, ffdd-server ? pkgs.fetchgit {
   url = "https://github.com/Freifunk-Dresden/ffdd-server.git";
+  rev = "T_RELEASE_v1.3.0rc2";
   sha256 = "15iijpywfp0zd785na5ry0g8z41x3zg238piih5rp8khc5xis09c";
 }, ddmeshNode, ... }:
 
diff --git a/overlay/bmxd.nix b/overlay/bmxd.nix
index 890661bc..2515b807 100644
--- a/overlay/bmxd.nix
+++ b/overlay/bmxd.nix
@@ -3,6 +3,7 @@
 let
   src = fetchgit {
     url = "https://gitlab.freifunk-dresden.de/firmware-developer/firmware.git";
+    rev = "T_FIRMWARE_7.0.1";
     sha256 = "sha256-3sV59uqFp+TZKrDf7kmksLvz+5ZKriwFyXZMBH2Sdws=";
   };
   path = "feeds/19.07/feeds-own/bmxd";