diff --git a/src/main.ts b/src/main.ts
index 8962ea6..f8c0c92 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -72,6 +72,13 @@ export default class JustSharePleasePlugin extends Plugin {
                 }
             }
         }));
+        this.registerEvent(this.app.vault.on("modify", f => {
+            if (this.settings.autoUpdateShares && f instanceof TFile) {
+                let shared = this.getSharedItem(f.path);
+                if (shared)
+                    this.updateFile(shared, f, false);
+            }
+        }));
 
         this.addCommand({
             id: "share",
@@ -177,12 +184,10 @@ export default class JustSharePleasePlugin extends Plugin {
                 new Notice(`Successfully updated ${file.basename} on JSP`);
             return true;
         } catch (e) {
-            if (notice) {
-                new Notice(createFragment(f => {
-                    f.createSpan({text: `There was an error updating ${file.basename}: `});
-                    f.createEl("code", {text: e});
-                }), 10000);
-            }
+            new Notice(createFragment(f => {
+                f.createSpan({text: `There was an error updating ${file.basename}: `});
+                f.createEl("code", {text: e});
+            }), 10000);
             console.log(e);
         }
 
@@ -205,12 +210,10 @@ export default class JustSharePleasePlugin extends Plugin {
                 new Notice(`Successfully deleted ${name} from JSP`);
             return true;
         } catch (e) {
-            if (notice) {
-                new Notice(createFragment(f => {
-                    f.createSpan({text: `There was an error deleting ${name}: `});
-                    f.createEl("code", {text: e});
-                }), 10000);
-            }
+            new Notice(createFragment(f => {
+                f.createSpan({text: `There was an error deleting ${name}: `});
+                f.createEl("code", {text: e});
+            }), 10000);
             console.log(e);
         }
     }
diff --git a/src/settings-tab.ts b/src/settings-tab.ts
index e10432a..37abc88 100644
--- a/src/settings-tab.ts
+++ b/src/settings-tab.ts
@@ -14,7 +14,6 @@ export class JSPSettingsTab extends PluginSettingTab {
     display(): void {
         this.containerEl.empty();
         this.containerEl.createEl("h2", {text: "Just Share Please Settings"});
-
         new Setting(this.containerEl)
             .setName("Just Share Please Server")
             .setDesc(createFragment(f => {
@@ -31,7 +30,6 @@ export class JSPSettingsTab extends PluginSettingTab {
                     await this.plugin.saveSettings();
                 });
             });
-
         new Setting(this.containerEl)
             .setName("Strip Frontmatter")
             .setDesc("Whether document frontmatter (also known as properties) should be removed from the uploaded share.")
@@ -42,7 +40,6 @@ export class JSPSettingsTab extends PluginSettingTab {
                     await this.plugin.saveSettings();
                 });
             });
-
         new Setting(this.containerEl)
             .setName("Include Note Name")
             .setDesc("Whether the name of the shared note should be included in the share as a heading.")
@@ -53,7 +50,6 @@ export class JSPSettingsTab extends PluginSettingTab {
                     await this.plugin.saveSettings();
                 });
             });
-
         new Setting(this.containerEl)
             .setName("Unshare Deleted Files")
             .setDesc("Whether shares of files should be removed automatically when they are deleted. Only supported when deleting from within Obsidian.")
@@ -64,6 +60,16 @@ export class JSPSettingsTab extends PluginSettingTab {
                     await this.plugin.saveSettings();
                 });
             });
+        new Setting(this.containerEl)
+            .setName("Automatically Update Shares")
+            .setDesc("Whether a file's share should automatically be updated when the file is changed from within Obsidian.")
+            .addToggle(t => {
+                t.setValue(this.plugin.settings.autoUpdateShares);
+                t.onChange(async v => {
+                    this.plugin.settings.autoUpdateShares = v;
+                    await this.plugin.saveSettings();
+                });
+            });
 
         this.containerEl.createEl("hr");
         this.containerEl.createEl("p", {text: "If you like this plugin and want to support its development, you can do so through my website by clicking this fancy image!"});
diff --git a/src/settings.ts b/src/settings.ts
index e36d6e9..1e5397d 100644
--- a/src/settings.ts
+++ b/src/settings.ts
@@ -3,10 +3,10 @@ export const defaultSettings: JSPSettings = {
     shared: [],
     stripFrontmatter: true,
     includeNoteName: true,
-    unshareDeletedFiles: true
+    unshareDeletedFiles: true,
+    autoUpdateShares: false
 };
 
-// TODO add a setting for auto-refreshing uploads when saving
 export interface JSPSettings {
 
     url: string;
@@ -14,6 +14,7 @@ export interface JSPSettings {
     stripFrontmatter: boolean;
     includeNoteName: boolean;
     unshareDeletedFiles: boolean;
+    autoUpdateShares: boolean;
 
 }
 
diff --git a/test-vault/.obsidian/plugins/just-share-please/data.json b/test-vault/.obsidian/plugins/just-share-please/data.json
index 233094f..52e5071 100644
--- a/test-vault/.obsidian/plugins/just-share-please/data.json
+++ b/test-vault/.obsidian/plugins/just-share-please/data.json
@@ -1,7 +1,14 @@
 {
   "url": "http://localhost:8080",
-  "shared": [],
+  "shared": [
+    {
+      "id": "234df7b7",
+      "password": "0ef1504bfe83cd9ca812434caa7aacf4",
+      "path": "Cool Test Note.md"
+    }
+  ],
   "stripFrontmatter": true,
   "includeNoteName": true,
-  "unshareDeletedFiles": false
+  "unshareDeletedFiles": false,
+  "autoUpdateShares": false
 }
\ No newline at end of file
diff --git a/test-vault/Cool Test Note.md b/test-vault/Cool Test Note.md
index 6186347..01799a5 100644
--- a/test-vault/Cool Test Note.md	
+++ b/test-vault/Cool Test Note.md	
@@ -24,6 +24,8 @@ $.ajax({
 
 cool!!
 
+blah blah i added and removed this
+
 The following is $x^2 = 7$, but more complicated!
 $$
 x^2 + \sum_{i = 1}^{10000} x^2 \cdot 0 = 7