diff --git a/manifest-beta.json b/manifest-beta.json
index 4c0b9d5a..9bbf96cb 100644
--- a/manifest-beta.json
+++ b/manifest-beta.json
@@ -2,7 +2,7 @@
     "id": "pdf-plus",
     "name": "PDF++",
     "version": "0.40.6",
-    "minAppVersion": "1.4.16",
+    "minAppVersion": "1.5.8",
     "description": "The most Obsidian-native PDF annotation tool ever.",
     "author": "Ryota Ushio",
     "authorUrl": "https://github.com/RyotaUshio",
diff --git a/manifest.json b/manifest.json
index 4c0b9d5a..9bbf96cb 100644
--- a/manifest.json
+++ b/manifest.json
@@ -2,7 +2,7 @@
     "id": "pdf-plus",
     "name": "PDF++",
     "version": "0.40.6",
-    "minAppVersion": "1.4.16",
+    "minAppVersion": "1.5.8",
     "description": "The most Obsidian-native PDF annotation tool ever.",
     "author": "Ryota Ushio",
     "authorUrl": "https://github.com/RyotaUshio",
diff --git a/src/main.ts b/src/main.ts
index c9df490c..e7525495 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -8,11 +8,12 @@ import { ColorPalette } from 'color-palette';
 import { DomManager } from 'dom-manager';
 import { PDFCroppedEmbed } from 'pdf-cropped-embed';
 import { DEFAULT_SETTINGS, PDFPlusSettings, PDFPlusSettingTab } from 'settings';
-import { subpathToParams, OverloadParameters, focusObsidian, isTargetHTMLElement } from 'utils';
+import { subpathToParams, OverloadParameters, focusObsidian, isTargetHTMLElement, getInstallerVersion, isVersionOlderThan } from 'utils';
 import { DestArray, ObsidianViewer, PDFEmbed, PDFView, PDFViewerChild, PDFViewerComponent, Rect } from 'typings';
 import { ExternalPDFModal } from 'modals';
 import { PDFExternalLinkPostProcessor, PDFInternalLinkPostProcessor, PDFOutlineItemPostProcessor, PDFThumbnailItemPostProcessor } from 'post-process';
 import { BibliographyManager } from 'bib';
+import { InstallerVersionModal } from 'modals/installer-version-modal';
 
 
 export default class PDFPlus extends Plugin {
@@ -134,6 +135,11 @@ export default class PDFPlus extends Plugin {
 		if (requireApiVersion(untestedVersion)) {
 			console.warn(`${this.manifest.name}: This plugin has not been tested on Obsidian ${untestedVersion} or above. Please report any issue you encounter on GitHub (https://github.com/RyotaUshio/obsidian-pdf-plus/issues/new/choose).`);
 		}
+
+		const installerVersion = getInstallerVersion();
+		if (installerVersion && isVersionOlderThan(installerVersion, '1.5.8')) {
+			new InstallerVersionModal(this).open();
+		}
 	}
 
 	private addIcons() {
diff --git a/src/modals/installer-version-modal.ts b/src/modals/installer-version-modal.ts
new file mode 100644
index 00000000..eae8898f
--- /dev/null
+++ b/src/modals/installer-version-modal.ts
@@ -0,0 +1,29 @@
+import { ButtonComponent } from 'obsidian';
+import { PDFPlusModal } from './base-modal';
+
+
+export class InstallerVersionModal extends PDFPlusModal {
+    onOpen() {
+        super.onOpen();
+
+        const name = this.plugin.manifest.name;
+        this.setTitle(`${name}: Outdated Obsidian installer`);
+        this.contentEl.appendText(
+            `Your Obsidian installer is outdated and likely to be incompatible with the latest ${name}. Please download the latest installer from Obsidian's website and re-install the Obsidian app.`
+        );
+
+        this.contentEl.createDiv('modal-button-container', (el) => {
+            new ButtonComponent(el)
+                .setButtonText('Get installer from https://obsidian.md')
+                .setCta()
+                .onClick(() => {
+                    window.open('https://obsidian.md/download', '_blank');
+                });
+            new ButtonComponent(el)
+                .setButtonText('What is "installer version"?')
+                .onClick(() => {
+                    window.open('https://help.obsidian.md/Getting+started/Update+Obsidian#Installer%20updates', '_blank');
+                });
+        });
+    }
+}
diff --git a/src/utils/index.ts b/src/utils/index.ts
index b996bf45..15cd6709 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -173,6 +173,17 @@ export function isVersionNewerThan(a: string, b: string) {
     return a.localeCompare(b, undefined, { numeric: true, sensitivity: 'base' }) === 1;
 }
 
+export function isVersionOlderThan(a: string, b: string) {
+    return isVersionNewerThan(b, a);
+}
+
+export function getInstallerVersion(): string | null {
+    return Platform.isDesktopApp ? 
+    // @ts-ignore
+    window.electron.remote.app.getVersion() :
+    null;
+}
+
 export function findReferenceCache(cache: CachedMetadata, start: number, end: number): ReferenceCache | undefined {
     return cache.links?.find((link) => start <= link.position.start.offset && link.position.end.offset <= end)
         ?? cache.embeds?.find((embed) => start <= embed.position.start.offset && embed.position.end.offset <= end);