diff --git a/README.md b/README.md
index 2cac291c..d4c7fd62 100644
--- a/README.md
+++ b/README.md
@@ -221,7 +221,7 @@ functions.
 <!-- `> bash ./supported-programs.sh` -->
 
 <!-- BEGIN mdsh -->
-`treefmt-nix` currently supports 103 formatters:
+`treefmt-nix` currently supports 104 formatters:
 
 * [actionlint](programs/actionlint.nix)
 * [alejandra](programs/alejandra.nix)
@@ -325,6 +325,7 @@ functions.
 * [typstyle](programs/typstyle.nix)
 * [yamlfmt](programs/yamlfmt.nix)
 * [zig](programs/zig.nix)
+* [zizmor](programs/zizmor.nix)
 * [zprint](programs/zprint.nix)
 <!-- END mdsh -->
 
diff --git a/examples/formatter-zizmor.toml b/examples/formatter-zizmor.toml
new file mode 100644
index 00000000..f3e49849
--- /dev/null
+++ b/examples/formatter-zizmor.toml
@@ -0,0 +1,6 @@
+# Example generated by ../examples.sh
+[formatter.zizmor]
+command = "zizmor"
+excludes = []
+includes = [".github/workflows/*.yml", ".github/workflows/*.yaml"]
+options = []
diff --git a/programs/zizmor.nix b/programs/zizmor.nix
new file mode 100644
index 00000000..88ad8ba5
--- /dev/null
+++ b/programs/zizmor.nix
@@ -0,0 +1,14 @@
+{ mkFormatterModule, ... }:
+{
+  meta.maintainers = [ ];
+
+  imports = [
+    (mkFormatterModule {
+      name = "zizmor";
+      includes = [
+        ".github/workflows/*.yml"
+        ".github/workflows/*.yaml"
+      ];
+    })
+  ];
+}