diff --git a/Podfile b/Podfile
index 5072effaf3..a322c9583e 100644
--- a/Podfile
+++ b/Podfile
@@ -9,7 +9,7 @@ use_frameworks!
 source 'https://cdn.cocoapods.org/'
 
 pod 'blurhash', podspec: './ThirdParty/blurhash.podspec'
-pod 'SwiftProtobuf', "1.35.1"
+pod 'SwiftProtobuf', "1.36.1"
 
 ENV['LIBSIGNAL_FFI_PREBUILD_CHECKSUM'] = '0e431c848aa682b8695e77ffd3feea52658c641fd1d6a3c105d09b606150deb5'
 pod 'LibSignalClient', git: 'https://github.com/signalapp/libsignal.git', tag: 'v0.88.2', testspecs: ["Tests"]
diff --git a/Podfile.lock b/Podfile.lock
index 9df519b955..bd1e67ea52 100644
--- a/Podfile.lock
+++ b/Podfile.lock
@@ -44,7 +44,7 @@ PODS:
   - SQLCipher/common (4.6.1)
   - SQLCipher/standard (4.6.1):
     - SQLCipher/common
-  - SwiftProtobuf (1.35.1)
+  - SwiftProtobuf (1.36.1)
 
 DEPENDENCIES:
   - blurhash (from `./ThirdParty/blurhash.podspec`)
@@ -64,7 +64,7 @@ DEPENDENCIES:
   - SDWebImageWebPCoder
   - SignalRingRTC (from `https://github.com/signalapp/ringrtc`, tag `v2.67.0`)
   - SQLCipher (from `https://github.com/signalapp/sqlcipher.git`, tag `v4.6.1-f_barrierfsync`)
-  - SwiftProtobuf (= 1.35.1)
+  - SwiftProtobuf (= 1.36.1)
 
 SPEC REPOS:
   trunk:
@@ -145,8 +145,8 @@ SPEC CHECKSUMS:
   SDWebImageWebPCoder: e38c0a70396191361d60c092933e22c20d5b1380
   SignalRingRTC: 7a3eaaffc8c3d031ccb1b119e950c0b37e464aab
   SQLCipher: ff2f045b20d675a73a70f7329395ddd4a2580063
-  SwiftProtobuf: c268fcf9642d613eb6639fed15842ae25d4b975a
+  SwiftProtobuf: 9e106a71456f4d3f6a3b0c8fd87ef0be085efc38
 
-PODFILE CHECKSUM: 8482ae9bd0795ad6e60f053ad86c2230309ae36a
+PODFILE CHECKSUM: db872f26e6cea91150c00f37864a4886a481f8c4
 
 COCOAPODS: 1.15.2
diff --git a/Pods b/Pods
index b2538b8b7f..8da0e97f58 160000
--- a/Pods
+++ b/Pods
@@ -1 +1 @@
-Subproject commit b2538b8b7fd0eaf522c62982aab1c398cdd688b8
+Subproject commit 8da0e97f586feaec7ab4ac02778d303677461b73
diff --git a/SignalServiceKit/Protos/Backups/Backup.pb.swift b/SignalServiceKit/Protos/Backups/Backup.pb.swift
index 69909c4e5f..156111073a 100644
--- a/SignalServiceKit/Protos/Backups/Backup.pb.swift
+++ b/SignalServiceKit/Protos/Backups/Backup.pb.swift
@@ -17,7 +17,11 @@
 // Copyright 2024 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+#if canImport(FoundationEssentials)
+public import FoundationEssentials
+#else
 public import Foundation
+#endif
 public import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/CallQualitySurvey.pb.swift b/SignalServiceKit/Protos/Generated/CallQualitySurvey.pb.swift
index 5a73b639aa..4cc20d2edc 100644
--- a/SignalServiceKit/Protos/Generated/CallQualitySurvey.pb.swift
+++ b/SignalServiceKit/Protos/Generated/CallQualitySurvey.pb.swift
@@ -17,7 +17,11 @@
 // Copyright 2025 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+#if canImport(FoundationEssentials)
+public import FoundationEssentials
+#else
 public import Foundation
+#endif
 public import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/DeviceTransfer.pb.swift b/SignalServiceKit/Protos/Generated/DeviceTransfer.pb.swift
index 26f3195827..0d73579cb7 100644
--- a/SignalServiceKit/Protos/Generated/DeviceTransfer.pb.swift
+++ b/SignalServiceKit/Protos/Generated/DeviceTransfer.pb.swift
@@ -17,7 +17,11 @@
 // Copyright 2019 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/Fingerprint.pb.swift b/SignalServiceKit/Protos/Generated/Fingerprint.pb.swift
index 7325241496..8057bb1d52 100644
--- a/SignalServiceKit/Protos/Generated/Fingerprint.pb.swift
+++ b/SignalServiceKit/Protos/Generated/Fingerprint.pb.swift
@@ -20,7 +20,11 @@
 /// iOS - since we use a modern proto-compiler, we must specify
 /// the legacy proto format.
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/Groups.pb.swift b/SignalServiceKit/Protos/Generated/Groups.pb.swift
index d47f75b5fa..392504ea32 100644
--- a/SignalServiceKit/Protos/Generated/Groups.pb.swift
+++ b/SignalServiceKit/Protos/Generated/Groups.pb.swift
@@ -17,7 +17,11 @@
 // Copyright 2019 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/MobileCoinExternal.pb.swift b/SignalServiceKit/Protos/Generated/MobileCoinExternal.pb.swift
index f23f3bfc6d..dc43f93c62 100644
--- a/SignalServiceKit/Protos/Generated/MobileCoinExternal.pb.swift
+++ b/SignalServiceKit/Protos/Generated/MobileCoinExternal.pb.swift
@@ -14,7 +14,11 @@
 
 // MUST BE KEPT IN SYNC WITH RUST CODE!
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/Provisioning.pb.swift b/SignalServiceKit/Protos/Generated/Provisioning.pb.swift
index b3320260ad..7f4d8b6934 100644
--- a/SignalServiceKit/Protos/Generated/Provisioning.pb.swift
+++ b/SignalServiceKit/Protos/Generated/Provisioning.pb.swift
@@ -20,7 +20,11 @@
 /// iOS - since we use a modern proto-compiler, we must specify
 /// the legacy proto format.
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/Registration.pb.swift b/SignalServiceKit/Protos/Generated/Registration.pb.swift
index c16b7db29d..244b758072 100644
--- a/SignalServiceKit/Protos/Generated/Registration.pb.swift
+++ b/SignalServiceKit/Protos/Generated/Registration.pb.swift
@@ -17,7 +17,11 @@
 // Copyright 2025 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/SessionRecord.pb.swift b/SignalServiceKit/Protos/Generated/SessionRecord.pb.swift
index 709115ea39..67f1a04841 100644
--- a/SignalServiceKit/Protos/Generated/SessionRecord.pb.swift
+++ b/SignalServiceKit/Protos/Generated/SessionRecord.pb.swift
@@ -17,7 +17,11 @@
 // Copyright 2020 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/SignalIOS.pb.swift b/SignalServiceKit/Protos/Generated/SignalIOS.pb.swift
index 78373543d7..666ae06329 100644
--- a/SignalServiceKit/Protos/Generated/SignalIOS.pb.swift
+++ b/SignalServiceKit/Protos/Generated/SignalIOS.pb.swift
@@ -20,7 +20,11 @@
 /// iOS - since we use a modern proto-compiler, we must specify
 /// the legacy proto format.
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/SignalService.pb.swift b/SignalServiceKit/Protos/Generated/SignalService.pb.swift
index d5819fa000..5d05cdca8e 100644
--- a/SignalServiceKit/Protos/Generated/SignalService.pb.swift
+++ b/SignalServiceKit/Protos/Generated/SignalService.pb.swift
@@ -20,7 +20,11 @@
 /// iOS - since we use a modern proto-compiler, we must specify
 /// the legacy proto format.
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/StorageService.pb.swift b/SignalServiceKit/Protos/Generated/StorageService.pb.swift
index c5ee24ece6..3987dcf8a2 100644
--- a/SignalServiceKit/Protos/Generated/StorageService.pb.swift
+++ b/SignalServiceKit/Protos/Generated/StorageService.pb.swift
@@ -17,7 +17,11 @@
 // Copyright 2019 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/WebSocketResources.pb.swift b/SignalServiceKit/Protos/Generated/WebSocketResources.pb.swift
index 0ea758b503..781645bc7d 100644
--- a/SignalServiceKit/Protos/Generated/WebSocketResources.pb.swift
+++ b/SignalServiceKit/Protos/Generated/WebSocketResources.pb.swift
@@ -20,7 +20,11 @@
 /// iOS - since we use a modern proto-compiler, we must specify
 /// the legacy proto format.
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file
diff --git a/SignalServiceKit/Protos/Generated/svr2.pb.swift b/SignalServiceKit/Protos/Generated/svr2.pb.swift
index a8ce60ca2a..fc51d9b456 100644
--- a/SignalServiceKit/Protos/Generated/svr2.pb.swift
+++ b/SignalServiceKit/Protos/Generated/svr2.pb.swift
@@ -17,7 +17,11 @@
 // Copyright 2023 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 import SwiftProtobuf
 
 // If the compiler emits an error on this type, it is because this file