diff --git a/nixos/modules/installer/tools/nix-fallback-paths.nix b/nixos/modules/installer/tools/nix-fallback-paths.nix
index 8fc8cc4baad5..bd09724ebfa2 100644
--- a/nixos/modules/installer/tools/nix-fallback-paths.nix
+++ b/nixos/modules/installer/tools/nix-fallback-paths.nix
@@ -1,7 +1,7 @@
 {
-  x86_64-linux = "/nix/store/6mjgljq8sm9bsz6k22as5ar3jw78644m-nix-2.8.1";
-  i686-linux = "/nix/store/c4yjv4l8wncdla6ycicvsjrdf40xjkpp-nix-2.8.1";
-  aarch64-linux = "/nix/store/qkgvks80mdibq7m86hqasgr5lpixbnmh-nix-2.8.1";
-  x86_64-darwin = "/nix/store/riz4mzb1xhp36088ffnp40lz52bpxz01-nix-2.8.1";
-  aarch64-darwin = "/nix/store/dirm8hsnmvvzjs21hrx8i84w8k453jzp-nix-2.8.1";
+  x86_64-linux = "/nix/store/6g4fla3vkcxihph282a0v3cd10709y7c-nix-2.9.1";
+  i686-linux = "/nix/store/j143221z44469zx21f5m9a47x7y1jpr5-nix-2.9.1";
+  aarch64-linux = "/nix/store/c4z3vy1sgm49la8bvmdrrpssgk4iw2nk-nix-2.9.1";
+  x86_64-darwin = "/nix/store/cqdwb7khf6zg94bz7lnvfjqx6z775qaw-nix-2.9.1";
+  aarch64-darwin = "/nix/store/1brkxcs287n1px2i4fq39l7h51hjv0f8-nix-2.9.1";
 }