diff --git a/nixos/modules/installer/tools/nix-fallback-paths.nix b/nixos/modules/installer/tools/nix-fallback-paths.nix
index dfafda77cb5..1707935ad5b 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/0n2wfvi1i3fg97cjc54wslvk0804y0sn-nix-2.7.0";
-  i686-linux = "/nix/store/4p27c1k9z99pli6x8cxfph20yfyzn9nh-nix-2.7.0";
-  aarch64-linux = "/nix/store/r9yr8ijsb0gi9r7y92y3yzyld59yp0kj-nix-2.7.0";
-  x86_64-darwin = "/nix/store/hyfj5imsd0c4amlcjpf8l6w4q2draaj3-nix-2.7.0";
-  aarch64-darwin = "/nix/store/9l96qllhbb6xrsjaai76dn74ap7rq92n-nix-2.7.0";
+  x86_64-linux = "/nix/store/yx36yzxpw1hn4fz8iyf1rfyd56jg3yf4-nix-2.8.0";
+  i686-linux = "/nix/store/c0hg806zvwg800qbszzj8ff4a224kjgf-nix-2.8.0";
+  aarch64-linux = "/nix/store/wic2832ll53q392r2wks4xr2nrk7p8p5-nix-2.8.0";
+  x86_64-darwin = "/nix/store/5yqdvnkmkrhl36xh0qy31pymdphjimdd-nix-2.8.0";
+  aarch64-darwin = "/nix/store/izc9592szrnpv8n86hr88bhpyc9g6b4s-nix-2.8.0";
 }
diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 027efe46869..8e0860dfe58 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -78,10 +78,14 @@ in lib.makeExtensible (self: {
         sha256 = "sha256-xz7QnWVCI12lX1+K/Zr9UpB93b10t1HS9y/5n5FYf8Q=";
       })
     ];
+  };
 
+  nix_2_8 = common {
+    version = "2.8.0";
+    sha256 = "sha256-gWYNlEyleqkPfxtGXeq6ggjzJwcXJVdieJxA1Obly9s=";
   };
 
-  stable = self.nix_2_7;
+  stable = self.nix_2_8;
 
   unstable = lib.lowPrio (common rec {
     version = "2.8";