diff --git a/flake.lock b/flake.lock
index e9fa54e6d..1386e940e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,17 +2,17 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1689373857,
-        "narHash": "sha256-mtBksyvhhT98Zsm9tYHuMKuLwUKDwv+BGTl6K5nOGhY=",
-        "owner": "nixos",
+        "lastModified": 1687113821,
+        "narHash": "sha256-TXdP3s0wBDI0msVFFMKgrD+VcgqF0RM899+Sqmep7uc=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dfdbcc428f365071f0ca3888f6ec8c25c3792885",
+        "rev": "e7e69199f0372364a6106a1e735f68604f4c5a25",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
+        "owner": "NixOS",
         "repo": "nixpkgs",
+        "rev": "e7e69199f0372364a6106a1e735f68604f4c5a25",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index 5e354f780..c0bc1ee75 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,9 @@
 {
   description = "Home Manager for Nix";
 
-  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  # Temporary pin for Markdown documentation transition.
+  inputs.nixpkgs.url =
+    "github:NixOS/nixpkgs/e7e69199f0372364a6106a1e735f68604f4c5a25";
 
   outputs = { self, nixpkgs, ... }:
     {