diff --git a/README.md b/README.md
index db3e9397..8310dc98 100644
--- a/README.md
+++ b/README.md
@@ -257,6 +257,7 @@ clang-format = {
 - [commitizen](https://github.com/commitizen-tools/commitizen)
 - [gptcommit](https://github.com/zurawiki/gptcommit)
 - [convco](https://github.com/convco/convco)
+- [annex](https://git-annex.branchable.com/)
 
 ## Custom hooks
 
diff --git a/modules/hooks.nix b/modules/hooks.nix
index 4d49571a..e7bba8ad 100644
--- a/modules/hooks.nix
+++ b/modules/hooks.nix
@@ -2202,5 +2202,11 @@ in
           "${pkgs.lychee}/bin/lychee${cmdArgs} ${settings.lychee.flags}";
         types = [ "text" ];
       };
+
+      annex = {
+        name = "annex";
+        description = "Runs the git-annex hook for large file support";
+        entry = "${tools.git-annex}/bin/git-annex pre-commit";
+      };
     };
 }
diff --git a/nix/tools.nix b/nix/tools.nix
index e4af6513..212ce185 100644
--- a/nix/tools.nix
+++ b/nix/tools.nix
@@ -22,6 +22,7 @@
 , elmPackages
 , fprettify
 , git
+, git-annex
 , gitAndTools
 , gptcommit ? null
 , hadolint
@@ -94,6 +95,7 @@ in
     eclint
     editorconfig-checker
     fprettify
+    git-annex
     go
     go-tools
     gptcommit