diff --git a/shell.nix b/shell.nix
index ed9571f..0115c04 100644
--- a/shell.nix
+++ b/shell.nix
@@ -23,6 +23,7 @@ mkShell {
     asciidoctorWrappedWithCustomOptions
 
     git
+    libgit2
     go
     hugo
     jq