diff --git a/Podfile.lock b/Podfile.lock
index 411d446..d976212 100644
--- a/Podfile.lock
+++ b/Podfile.lock
@@ -8,137 +8,138 @@ PODS:
   - FirebaseABTesting (2.0.0):
     - FirebaseCore (~> 5.0)
     - Protobuf (~> 3.5)
-  - FirebaseAnalytics (5.1.1):
+  - FirebaseAnalytics (5.3.0):
     - FirebaseCore (~> 5.1)
-    - FirebaseInstanceID (~> 3.2)
-    - GoogleAppMeasurement (~> 5.1)
-    - GoogleUtilities/AppDelegateSwizzler (~> 5.2.0)
-    - GoogleUtilities/MethodSwizzler (~> 5.2.0)
+    - FirebaseInstanceID (~> 3.3)
+    - GoogleAppMeasurement (~> 5.3)
+    - GoogleUtilities/AppDelegateSwizzler (~> 5.2)
+    - GoogleUtilities/MethodSwizzler (~> 5.2)
     - GoogleUtilities/Network (~> 5.2)
     - "GoogleUtilities/NSData+zlib (~> 5.2)"
     - nanopb (~> 0.3)
-  - FirebaseAuth (5.0.3):
+  - FirebaseAuth (5.0.5):
     - FirebaseAuthInterop (~> 1.0)
-    - FirebaseCore (~> 5.0)
+    - FirebaseCore (~> 5.1)
     - GoogleUtilities/Environment (~> 5.2)
     - GTMSessionFetcher/Core (~> 1.1)
   - FirebaseAuthInterop (1.0.0)
-  - FirebaseCore (5.1.2):
+  - FirebaseCore (5.1.8):
     - GoogleUtilities/Logger (~> 5.2)
-  - FirebaseDatabase (5.0.2):
+  - FirebaseDatabase (5.0.3):
     - FirebaseCore (~> 5.0)
     - leveldb-library (~> 1.18)
-  - FirebaseFirestore (0.13.2):
+  - FirebaseFirestore (0.15.0):
     - FirebaseAuthInterop (~> 1.0)
-    - FirebaseCore (~> 5.0)
-    - FirebaseFirestore/abseil-cpp (= 0.13.2)
-    - gRPC-ProtoRPC (~> 1.0)
-    - leveldb-library (~> 1.18)
+    - FirebaseCore (~> 5.1)
+    - FirebaseFirestore/abseil-cpp (= 0.15.0)
+    - "gRPC-C++ (~> 0.0.3)"
+    - leveldb-library (~> 1.20)
     - nanopb (~> 0.3.8)
     - Protobuf (~> 3.1)
-  - FirebaseFirestore/abseil-cpp (0.13.2):
+  - FirebaseFirestore/abseil-cpp (0.15.0):
     - FirebaseAuthInterop (~> 1.0)
-    - FirebaseCore (~> 5.0)
-    - gRPC-ProtoRPC (~> 1.0)
-    - leveldb-library (~> 1.18)
+    - FirebaseCore (~> 5.1)
+    - "gRPC-C++ (~> 0.0.3)"
+    - leveldb-library (~> 1.20)
     - nanopb (~> 0.3.8)
     - Protobuf (~> 3.1)
   - FirebaseFunctions (2.1.1):
     - FirebaseCore (~> 5.0)
     - GTMSessionFetcher/Core (~> 1.1)
-  - FirebaseInstanceID (3.2.1):
+  - FirebaseInstanceID (3.3.0):
     - FirebaseCore (~> 5.1)
-    - GoogleUtilities/Environment (~> 5.2)
-  - FirebaseRemoteConfig (3.0.1):
+    - GoogleUtilities/Environment (~> 5.3)
+    - GoogleUtilities/UserDefaults (~> 5.3)
+  - FirebaseRemoteConfig (3.1.0):
     - FirebaseABTesting (~> 2.0)
-    - FirebaseAnalytics (~> 5.1)
+    - FirebaseAnalytics (~> 5.3)
     - FirebaseCore (~> 5.1)
-    - FirebaseInstanceID (~> 3.2)
+    - FirebaseInstanceID (~> 3.3)
     - GoogleUtilities/Environment (~> 5.2)
     - "GoogleUtilities/NSData+zlib (~> 5.2)"
     - Protobuf (~> 3.5)
-  - FirebaseStorage (3.0.1):
-    - FirebaseCore (~> 5.0)
+  - FirebaseStorage (3.0.3):
+    - FirebaseAuthInterop (~> 1.0)
+    - FirebaseCore (~> 5.1)
     - GTMSessionFetcher/Core (~> 1.1)
-  - GoogleAppMeasurement (5.1.1):
-    - GoogleUtilities/AppDelegateSwizzler (~> 5.2.0)
-    - GoogleUtilities/MethodSwizzler (~> 5.2.0)
+  - GoogleAppMeasurement (5.3.0):
+    - GoogleUtilities/AppDelegateSwizzler (~> 5.2)
+    - GoogleUtilities/MethodSwizzler (~> 5.2)
     - GoogleUtilities/Network (~> 5.2)
     - "GoogleUtilities/NSData+zlib (~> 5.2)"
     - nanopb (~> 0.3)
-  - GoogleUtilities/AppDelegateSwizzler (5.2.2):
+  - GoogleUtilities/AppDelegateSwizzler (5.3.6):
     - GoogleUtilities/Environment
     - GoogleUtilities/Logger
     - GoogleUtilities/Network
-  - GoogleUtilities/Environment (5.2.2)
-  - GoogleUtilities/Logger (5.2.2):
+  - GoogleUtilities/Environment (5.3.6)
+  - GoogleUtilities/Logger (5.3.6):
     - GoogleUtilities/Environment
-  - GoogleUtilities/MethodSwizzler (5.2.2):
+  - GoogleUtilities/MethodSwizzler (5.3.6):
     - GoogleUtilities/Logger
-  - GoogleUtilities/Network (5.2.2):
+  - GoogleUtilities/Network (5.3.6):
     - GoogleUtilities/Logger
     - "GoogleUtilities/NSData+zlib"
     - GoogleUtilities/Reachability
-  - "GoogleUtilities/NSData+zlib (5.2.2)"
-  - GoogleUtilities/Reachability (5.2.2):
+  - "GoogleUtilities/NSData+zlib (5.3.6)"
+  - GoogleUtilities/Reachability (5.3.6):
+    - GoogleUtilities/Logger
+  - GoogleUtilities/UserDefaults (5.3.6):
     - GoogleUtilities/Logger
-  - gRPC (1.14.1):
-    - gRPC-RxLibrary (= 1.14.1)
-    - gRPC/Main (= 1.14.1)
-  - gRPC-Core (1.14.1):
-    - gRPC-Core/Implementation (= 1.14.1)
-    - gRPC-Core/Interface (= 1.14.1)
-  - gRPC-Core/Implementation (1.14.1):
+  - "gRPC-C++ (0.0.5)":
+    - "gRPC-C++/Implementation (= 0.0.5)"
+    - "gRPC-C++/Interface (= 0.0.5)"
+  - "gRPC-C++/Implementation (0.0.5)":
+    - "gRPC-C++/Interface (= 0.0.5)"
+    - gRPC-Core (= 1.14.0)
+    - nanopb (~> 0.3)
+  - "gRPC-C++/Interface (0.0.5)"
+  - gRPC-Core (1.14.0):
+    - gRPC-Core/Implementation (= 1.14.0)
+    - gRPC-Core/Interface (= 1.14.0)
+  - gRPC-Core/Implementation (1.14.0):
     - BoringSSL (~> 10.0)
-    - gRPC-Core/Interface (= 1.14.1)
+    - gRPC-Core/Interface (= 1.14.0)
     - nanopb (~> 0.3)
-  - gRPC-Core/Interface (1.14.1)
-  - gRPC-ProtoRPC (1.14.1):
-    - gRPC-ProtoRPC/Main (= 1.14.1)
-  - gRPC-ProtoRPC/Main (1.14.1):
-    - gRPC (= 1.14.1)
-    - gRPC-RxLibrary (= 1.14.1)
-    - Protobuf (~> 3.0)
-  - gRPC-RxLibrary (1.14.1)
-  - gRPC/Main (1.14.1):
-    - gRPC-Core (= 1.14.1)
-    - gRPC-RxLibrary (= 1.14.1)
-  - GTMSessionFetcher/Core (1.2.0)
+  - gRPC-Core/Interface (1.14.0)
+  - GTMSessionFetcher/Core (1.2.1)
   - leveldb-library (1.20)
-  - nanopb (0.3.8):
-    - nanopb/decode (= 0.3.8)
-    - nanopb/encode (= 0.3.8)
-  - nanopb/decode (0.3.8)
-  - nanopb/encode (0.3.8)
+  - nanopb (0.3.901):
+    - nanopb/decode (= 0.3.901)
+    - nanopb/encode (= 0.3.901)
+  - nanopb/decode (0.3.901)
+  - nanopb/encode (0.3.901)
   - Protobuf (3.6.1)
-  - RxCocoa (4.2.0):
+  - RxAtomic (4.4.0)
+  - RxCocoa (4.4.0):
     - RxSwift (~> 4.0)
-  - RxFirebase/Auth (0.2.4):
+  - RxFirebase/Auth (0.2.6):
     - FirebaseAuth (~> 5)
     - FirebaseCore (~> 5.1)
     - RxCocoa (~> 4)
     - RxSwift (~> 4)
-  - RxFirebase/Database (0.2.4):
+  - RxFirebase/Database (0.2.6):
     - FirebaseDatabase (~> 5)
     - RxCocoa (~> 4)
     - RxSwift (~> 4)
-  - RxFirebase/Firestore (0.2.4):
-    - FirebaseFirestore (~> 0.12)
+  - RxFirebase/Firestore (0.2.6):
+    - FirebaseFirestore (~> 0.15)
     - RxCocoa (~> 4)
     - RxSwift (~> 4)
-  - RxFirebase/Functions (0.2.4):
+  - RxFirebase/Functions (0.2.6):
     - FirebaseFunctions (~> 2)
     - RxCocoa (~> 4)
     - RxSwift (~> 4)
-  - RxFirebase/RemoteConfig (0.2.4):
+  - RxFirebase/RemoteConfig (0.2.6):
     - FirebaseRemoteConfig (~> 3)
     - RxCocoa (~> 4)
     - RxSwift (~> 4)
-  - RxFirebase/Storage (0.2.4):
+  - RxFirebase/Storage (0.2.6):
     - FirebaseStorage (~> 3)
     - RxCocoa (~> 4)
     - RxSwift (~> 4)
-  - RxSwift (4.2.0)
+  - RxSwift (4.4.0):
+    - RxAtomic (~> 4.4)
 
 DEPENDENCIES:
   - RxFirebase/Auth (from `./`)
@@ -164,14 +165,13 @@ SPEC REPOS:
     - FirebaseStorage
     - GoogleAppMeasurement
     - GoogleUtilities
-    - gRPC
+    - "gRPC-C++"
     - gRPC-Core
-    - gRPC-ProtoRPC
-    - gRPC-RxLibrary
     - GTMSessionFetcher
     - leveldb-library
     - nanopb
     - Protobuf
+    - RxAtomic
     - RxCocoa
     - RxSwift
 
@@ -182,30 +182,29 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   BoringSSL: e10f92a27043805c01071fe815a5cd98ae8212e7
   FirebaseABTesting: 1f50b8d50f5e3469eea54e7463a7b7fe221d1f5e
-  FirebaseAnalytics: 993577e91157feb40945abedd6ab346d8a4b6ac8
-  FirebaseAuth: 657a25e4be044d2d333663ebf515a861c5a59cd7
+  FirebaseAnalytics: 63202d2665de4e6adcbdce189135255d8b5962ba
+  FirebaseAuth: 9299ab178271bec7426967b05b2718bb6fc31f17
   FirebaseAuthInterop: 0ffa57668be100582bb7643d4fcb7615496c41fc
-  FirebaseCore: 3a97432acb324b439fbed338e642f9cbb516a63d
-  FirebaseDatabase: 27be5ac5bc75e0b17537b2bbfada8258addcc8cd
-  FirebaseFirestore: 7eec93809ad61e7ebe303089c5cc5efa63424b72
+  FirebaseCore: fba2bfaa691c49028309b92e4dd37cc4b5512fbe
+  FirebaseDatabase: e2bcbc106adc4b11a2da3ec2eb63c0c4a44f2f54
+  FirebaseFirestore: 9e9411f13a0aba72d4f631899611d09e43734c48
   FirebaseFunctions: 6c03d7c5d62520be4678dc3fb7957654aab82b4f
-  FirebaseInstanceID: ea5af6920d0a4a29b40459d055bebe4a6c1333c4
-  FirebaseRemoteConfig: 7b6d675dfb11f0e0e638caee00908b06af150d56
-  FirebaseStorage: 43f823b96b72a08539eba21a7de043348a69d4c6
-  GoogleAppMeasurement: f7507b39b70ad0bd80b3d81518b2f43868974307
-  GoogleUtilities: 06b66f9567769a7958db20a92f0128b2843e49d5
-  gRPC: 65fa2a50c4fd61940b76f4962d75c239c92c6a8d
-  gRPC-Core: e3ace1e1161e75903135de8d8231bb69c9d35721
-  gRPC-ProtoRPC: 78f976fc6a1eafc0e1f4965c255c313aa0859b1e
-  gRPC-RxLibrary: c4c826507ad3c8c8fab6887f153938eb04b86d59
-  GTMSessionFetcher: 0c4baf0a73acd0041bf9f71ea018deedab5ea84e
+  FirebaseInstanceID: e2fa4cb35ef5558c200f7f0ad8a53e212215f93e
+  FirebaseRemoteConfig: 7e11c65f0769c09bff6947997c209515058c5318
+  FirebaseStorage: 3d22c041370593e639fba013d1eb698a8dae2881
+  GoogleAppMeasurement: 5029d78f2b438bd30ffb44e6c558b57c21622727
+  GoogleUtilities: 95996bea7c7d9b8fb811b7507669a4a8762f80c7
+  "gRPC-C++": 19eec1ffd34de29453f5fab5b4697ad0f240ad51
+  gRPC-Core: f4836515817c0eb479aeeb9cc27c91c4ba62a9f6
+  GTMSessionFetcher: 32aeca0aa144acea523e1c8e053089dec2cb98ca
   leveldb-library: 08cba283675b7ed2d99629a4bc5fd052cd2bb6a5
-  nanopb: 5601e6bca2dbf1ed831b519092ec110f66982ca3
+  nanopb: 2901f78ea1b7b4015c860c2fdd1ea2fee1a18d48
   Protobuf: 1eb9700044745f00181c136ef21b8ff3ad5a0fd5
-  RxCocoa: 0b54909c902e1e581212a03e690bbd94032d8baa
-  RxFirebase: 223375f163b3e5ed7db665e3fc596851840131be
-  RxSwift: 99e10317ddfcc7fbe01356aafd118fde4a0be104
+  RxAtomic: eacf60db868c96bfd63320e28619fe29c179656f
+  RxCocoa: df63ebf7b9a70d6b4eeea407ed5dd4efc8979749
+  RxFirebase: 60c063fa68dac3b9dc6a72a80236d55db530a970
+  RxSwift: 5976ecd04fc2fefd648827c23de5e11157faa973
 
 PODFILE CHECKSUM: db4e0a593103ec732f32da4bf8e8163883660ceb
 
-COCOAPODS: 1.5.3
+COCOAPODS: 1.6.0.beta.2
diff --git a/RxFirebase.podspec b/RxFirebase.podspec
index 7401f86..6c6cf5a 100644
--- a/RxFirebase.podspec
+++ b/RxFirebase.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
     s.name             = 'RxFirebase'
-    s.version          = '0.2.5'
+    s.version          = '0.2.6'
     s.summary          = 'RxSwift extensions for Firebase.'
     
     # This description is used to generate tags and improve search results.
@@ -32,13 +32,16 @@ Pod::Spec.new do |s|
     s.cocoapods_version = '>= 1.4.0'
     s.swift_version = '4.0'
     s.ios.deployment_target = '8.0'
+    s.tvos.deployment_target = '10.0'
+    s.osx.deployment_target = '10.10'
+
     s.static_framework = true
     s.dependency 'RxSwift', '~> 4'
     s.dependency 'RxCocoa', '~> 4'
     
     s.subspec 'Firestore' do |firestore|
         firestore.source_files = 'Sources/Firestore/**/*'
-        firestore.dependency 'FirebaseFirestore', '~> 0.12'
+        firestore.dependency 'FirebaseFirestore', '~> 0.15'
     end
     s.subspec 'RemoteConfig' do |remote|
         remote.source_files = 'Sources/RemoteConfig/**/*'
diff --git a/RxFirebase.xcodeproj/project.pbxproj b/RxFirebase.xcodeproj/project.pbxproj
index b1eaecb..16b61a5 100644
--- a/RxFirebase.xcodeproj/project.pbxproj
+++ b/RxFirebase.xcodeproj/project.pbxproj
@@ -171,6 +171,7 @@
 				607FACCD1AFB9204008FA782 /* Frameworks */,
 				607FACCE1AFB9204008FA782 /* Resources */,
 				F8E61F8D59E53C6D306BEF7A /* [CP] Embed Pods Frameworks */,
+				A59B7F1DE02F6C7B568B1E8F /* [CP] Copy Pods Resources */,
 			);
 			buildRules = (
 			);
@@ -261,6 +262,28 @@
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXShellScriptBuildPhase section */
+		A59B7F1DE02F6C7B568B1E8F /* [CP] Copy Pods Resources */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-RxFirebase_Example/Pods-RxFirebase_Example-resources.sh",
+				"${PODS_CONFIGURATION_BUILD_DIR}/FirebaseFirestore/gRPCCertificates.bundle",
+			);
+			name = "[CP] Copy Pods Resources";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/gRPCCertificates.bundle",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-RxFirebase_Example/Pods-RxFirebase_Example-resources.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
 		DC29F84E2AC3FEA6B3C2358F /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
@@ -303,17 +326,16 @@
 			files = (
 			);
 			inputPaths = (
-				"${SRCROOT}/Pods/Target Support Files/Pods-RxFirebase_Example/Pods-RxFirebase_Example-frameworks.sh",
+				"${PODS_ROOT}/Target Support Files/Pods-RxFirebase_Example/Pods-RxFirebase_Example-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/BoringSSL/openssl.framework",
 				"${BUILT_PRODUCTS_DIR}/GTMSessionFetcher/GTMSessionFetcher.framework",
 				"${BUILT_PRODUCTS_DIR}/GoogleUtilities/GoogleUtilities.framework",
 				"${BUILT_PRODUCTS_DIR}/Protobuf/Protobuf.framework",
+				"${BUILT_PRODUCTS_DIR}/RxAtomic/RxAtomic.framework",
 				"${BUILT_PRODUCTS_DIR}/RxCocoa/RxCocoa.framework",
 				"${BUILT_PRODUCTS_DIR}/RxSwift/RxSwift.framework",
-				"${BUILT_PRODUCTS_DIR}/gRPC/GRPCClient.framework",
+				"${BUILT_PRODUCTS_DIR}/gRPC-C++/grpcpp.framework",
 				"${BUILT_PRODUCTS_DIR}/gRPC-Core/grpc.framework",
-				"${BUILT_PRODUCTS_DIR}/gRPC-ProtoRPC/ProtoRPC.framework",
-				"${BUILT_PRODUCTS_DIR}/gRPC-RxLibrary/RxLibrary.framework",
 				"${BUILT_PRODUCTS_DIR}/leveldb-library/leveldb.framework",
 				"${BUILT_PRODUCTS_DIR}/nanopb/nanopb.framework",
 			);
@@ -323,18 +345,17 @@
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GTMSessionFetcher.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GoogleUtilities.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Protobuf.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxAtomic.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxCocoa.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxSwift.framework",
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GRPCClient.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/grpcpp.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/grpc.framework",
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/ProtoRPC.framework",
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxLibrary.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/leveldb.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/nanopb.framework",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-RxFirebase_Example/Pods-RxFirebase_Example-frameworks.sh\"\n";
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-RxFirebase_Example/Pods-RxFirebase_Example-frameworks.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
 /* End PBXShellScriptBuildPhase section */