diff --git a/libs/ngx-sherfire/src/lib/app/firebase-app.service.ts b/libs/ngx-sherfire/src/lib/app/firebase-app.service.ts
index ea2c835..a717abd 100644
--- a/libs/ngx-sherfire/src/lib/app/firebase-app.service.ts
+++ b/libs/ngx-sherfire/src/lib/app/firebase-app.service.ts
@@ -1,5 +1,5 @@
 import { inject, Injectable, NgZone } from '@angular/core';
-import firebase from 'firebase';
+import firebase from 'firebase/app';
 import { FirebaseConfig } from '../firebase-config.service';
 import { NgxSherfireModule } from '../ngx-sherfire.module';
 
diff --git a/libs/ngx-sherfire/src/lib/auth/create-firebase-user$.ts b/libs/ngx-sherfire/src/lib/auth/create-firebase-user$.ts
index 016fb55..02c3972 100644
--- a/libs/ngx-sherfire/src/lib/auth/create-firebase-user$.ts
+++ b/libs/ngx-sherfire/src/lib/auth/create-firebase-user$.ts
@@ -1,7 +1,7 @@
 import type { NgZone } from '@angular/core';
 import { error, unresolved } from '@skunkteam/sherlock';
 import { fromEventPattern, fromPromise } from '@skunkteam/sherlock-utils';
-import type firebase from 'firebase';
+import type firebase from 'firebase/app';
 import type { FirebaseAuth } from './firebase-auth.service';
 import type { FirebaseUser$ } from './firebase-user$.service';
 
diff --git a/libs/ngx-sherfire/src/lib/auth/firebase-auth.service.ts b/libs/ngx-sherfire/src/lib/auth/firebase-auth.service.ts
index 2098122..e2119dc 100644
--- a/libs/ngx-sherfire/src/lib/auth/firebase-auth.service.ts
+++ b/libs/ngx-sherfire/src/lib/auth/firebase-auth.service.ts
@@ -1,5 +1,5 @@
 import { inject, Injectable, NgZone } from '@angular/core';
-import firebase from 'firebase';
+import firebase from 'firebase/app';
 import 'firebase/auth';
 import { FirebaseApp } from '../app';
 import { NgxSherfireModule } from '../ngx-sherfire.module';
diff --git a/libs/ngx-sherfire/src/lib/auth/firebase-user$.service.ts b/libs/ngx-sherfire/src/lib/auth/firebase-user$.service.ts
index 87e49a2..05982b2 100644
--- a/libs/ngx-sherfire/src/lib/auth/firebase-user$.service.ts
+++ b/libs/ngx-sherfire/src/lib/auth/firebase-user$.service.ts
@@ -1,7 +1,6 @@
 import { inject, Injectable, NgZone } from '@angular/core';
 import type { Derivable } from '@skunkteam/sherlock';
-import type firebase from 'firebase';
-import 'firebase/auth';
+import type firebase from 'firebase/app';
 import { NgxSherfireModule } from '../ngx-sherfire.module';
 import { createFirebaseUser$ } from './create-firebase-user$';
 import { FirebaseAuth } from './firebase-auth.service';
diff --git a/libs/ngx-sherfire/src/lib/firebase-config.service.ts b/libs/ngx-sherfire/src/lib/firebase-config.service.ts
index 7511343..48654f9 100644
--- a/libs/ngx-sherfire/src/lib/firebase-config.service.ts
+++ b/libs/ngx-sherfire/src/lib/firebase-config.service.ts
@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import type firebase from 'firebase';
+import type firebase from 'firebase/app';
 
 @Injectable()
 export class FirebaseConfig {
diff --git a/libs/ngx-sherfire/src/lib/firestore/augment-prototypes.ts b/libs/ngx-sherfire/src/lib/firestore/augment-prototypes.ts
index a2c48b4..08eecab 100644
--- a/libs/ngx-sherfire/src/lib/firestore/augment-prototypes.ts
+++ b/libs/ngx-sherfire/src/lib/firestore/augment-prototypes.ts
@@ -1,7 +1,7 @@
 import type { NgZone } from '@angular/core';
 import { Derivable, lens, SettableDerivable } from '@skunkteam/sherlock';
 import { derivableCache } from '@skunkteam/sherlock-utils';
-import firebase from 'firebase';
+import firebase from 'firebase/app';
 import 'firebase/firestore';
 import { snapshot$ } from './snapshot';
 
diff --git a/libs/ngx-sherfire/src/lib/firestore/firebase-firestore.service.test.ts b/libs/ngx-sherfire/src/lib/firestore/firebase-firestore.service.test.ts
index 57d4486..b4dade3 100644
--- a/libs/ngx-sherfire/src/lib/firestore/firebase-firestore.service.test.ts
+++ b/libs/ngx-sherfire/src/lib/firestore/firebase-firestore.service.test.ts
@@ -1,5 +1,5 @@
 import { TestBed } from '@angular/core/testing';
-import firebase from 'firebase';
+import firebase from 'firebase/app';
 import { NgxSherfireModule } from '../ngx-sherfire.module';
 import { FirebaseFirestore } from './firebase-firestore.service';
 
diff --git a/libs/ngx-sherfire/src/lib/firestore/firebase-firestore.service.ts b/libs/ngx-sherfire/src/lib/firestore/firebase-firestore.service.ts
index b655850..1d25d3f 100644
--- a/libs/ngx-sherfire/src/lib/firestore/firebase-firestore.service.ts
+++ b/libs/ngx-sherfire/src/lib/firestore/firebase-firestore.service.ts
@@ -1,5 +1,5 @@
 import { inject, Injectable, NgZone } from '@angular/core';
-import firebase from 'firebase';
+import firebase from 'firebase/app';
 import 'firebase/firestore';
 import { FirebaseApp } from '../app';
 import { FirebaseConfig } from '../firebase-config.service';
diff --git a/libs/ngx-sherfire/src/lib/firestore/snapshot.ts b/libs/ngx-sherfire/src/lib/firestore/snapshot.ts
index 6f5abfa..493628e 100644
--- a/libs/ngx-sherfire/src/lib/firestore/snapshot.ts
+++ b/libs/ngx-sherfire/src/lib/firestore/snapshot.ts
@@ -1,7 +1,7 @@
 import type { NgZone } from '@angular/core';
 import { Derivable, error } from '@skunkteam/sherlock';
 import { fromEventPattern } from '@skunkteam/sherlock-utils';
-import type firebase from 'firebase';
+import type firebase from 'firebase/app';
 
 export function snapshot$<R extends Ref>(ref: R & Snapshottable<R>, zone: NgZone): Derivable<Snapshot<R>> {
     return fromEventPattern<Snapshot<R>>(value$ =>
diff --git a/libs/ngx-sherfire/src/lib/ngx-sherfire.module.test.ts b/libs/ngx-sherfire/src/lib/ngx-sherfire.module.test.ts
index a1128a7..cebb911 100644
--- a/libs/ngx-sherfire/src/lib/ngx-sherfire.module.test.ts
+++ b/libs/ngx-sherfire/src/lib/ngx-sherfire.module.test.ts
@@ -1,6 +1,6 @@
 import { TestBed } from '@angular/core/testing';
 import { isDerivable, Unwrap } from '@skunkteam/sherlock';
-import firebase from 'firebase';
+import firebase from 'firebase/app';
 import { FirebaseApp } from './app';
 import { FirebaseAuth, FirebaseUser$ } from './auth';
 import type { FirebaseConfig } from './firebase-config.service';