diff --git a/module.nix b/module.nix
index 55c9c41..0496358 100644
--- a/module.nix
+++ b/module.nix
@@ -11,6 +11,16 @@ let
     lib.mapAttrsFlatten
     (owner: lib.mapAttrsFlatten (repo: settings: { inherit type owner repo settings; })))
     cfg.repos));
+  input_override = lib.types.submodule {
+    input = lib.mkOption {
+      type = lib.types.str;
+      description = "Input to override";
+    };
+    override_url = lib.mkOption {
+      type = lib.types.str;
+      description = "Input to override";
+    };
+  };
 in {
   options.services.update-daemon = with lib;
     with types; {
@@ -97,7 +107,7 @@ in {
           default = 100;
         };
         inputs = mkOption {
-          type = listOf str;
+          type = listOf (either str input_override);
           description = "List of input names to be updated, if empty, all inputs will be updated";
           default = [];
           example = [ "haskell-nix" ];
diff --git a/src/main.rs b/src/main.rs
index cfe5960..9bf9cd0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -57,13 +57,24 @@ fn flake_update(
     } else {
         nix_flake_update.arg("lock");
         for input in settings.inputs.iter() {
+            let input_name = match input {
+                UpdateOrOverrideInput::Update(input_name) => {
+                    nix_flake_update.arg("--update-input");
+                    nix_flake_update.arg(input_name);
+                    input_name
+                },
+                UpdateOrOverrideInput::Override{input, override_url} => {
+                    nix_flake_update.arg("--override-input");
+                    nix_flake_update.arg(input);
+                    nix_flake_update.arg(override_url);
+                    input
+                },
+            };
             // Abort flake update if input is missing from the flake.lock root nodes
             // and allow_missing_inputs is not set
-            if !settings.allow_missing_inputs && lock.get_root_dep(input.clone()).is_none() {
-                return Err(FlakeUpdateError::MissingInput(input.clone()));
+            if !settings.allow_missing_inputs && lock.get_root_dep(input_name.clone()).is_none() {
+                return Err(FlakeUpdateError::MissingInput(input_name.clone()));
             };
-            nix_flake_update.arg("--update-input");
-            nix_flake_update.arg(input);
         }
     };
 
diff --git a/src/types.rs b/src/types.rs
index 714c6c0..4b40de6 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -18,7 +18,7 @@ pub struct UpdateSettings {
     pub title: String,
     pub extra_body: String,
     pub cooldown: Duration,
-    pub inputs: Vec<String>,
+    pub inputs: Vec<UpdateOrOverrideInput>,
     pub allow_missing_inputs: bool,
 }
 
@@ -36,10 +36,17 @@ pub struct UpdateSettingsOptional {
     pub title: Option<String>,
     pub extra_body: Option<String>,
     pub cooldown: Option<u64>,
-    pub inputs: Option<Vec<String>>,
+    pub inputs: Option<Vec<UpdateOrOverrideInput>>,
     pub allow_missing_inputs: Option<bool>,
 }
 
+#[derive(Debug, Clone, Deserialize)]
+#[serde(untagged)]
+pub enum UpdateOrOverrideInput {
+    Update (String),
+    Override {input: String, override_url: String},
+}
+
 #[derive(Debug, Error)]
 pub struct UpdateSettingsMissingField(String);