diff --git a/damus.xcodeproj/project.pbxproj b/damus.xcodeproj/project.pbxproj
index da9c1b68..f92f50c1 100644
--- a/damus.xcodeproj/project.pbxproj
+++ b/damus.xcodeproj/project.pbxproj
@@ -6862,7 +6862,7 @@
 			repositoryURL = "https://github.com/onevcat/Kingfisher";
 			requirement = {
 				kind = upToNextMajorVersion;
-				minimumVersion = 7.0.0;
+				minimumVersion = 8.3.1;
 			};
 		};
 		4C27C9302A64766F007DBC75 /* XCRemoteSwiftPackageReference "swift-markdown-ui" */ = {
diff --git a/damus.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/damus.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index 4e95e23a..fe7714bb 100644
--- a/damus.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/damus.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -49,8 +49,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/onevcat/Kingfisher",
       "state" : {
-        "revision" : "415b1d97fb38bda1e5a6b2dde63354720832110b",
-        "version" : "7.6.1"
+        "revision" : "4c6b067f96953ee19526e49e4189403a2be21fb3",
+        "version" : "8.3.1"
       }
     },
     {
diff --git a/damus/Util/EventCache.swift b/damus/Util/EventCache.swift
index ad2cfad4..2675786a 100644
--- a/damus/Util/EventCache.swift
+++ b/damus/Util/EventCache.swift
@@ -354,7 +354,7 @@ func preload_image(url: URL) {
     
     //print("Preloading image \(url.absoluteString)")
 
-    KingfisherManager.shared.retrieveImage(with: Kingfisher.ImageResource(downloadURL: url)) { val in
+    KingfisherManager.shared.retrieveImage(with: Kingfisher.KF.ImageResource(downloadURL: url)) { val in
         //print("Preloaded image \(url.absoluteString)")
     }
 }
diff --git a/damus/Util/Extensions/KFOptionSetter+.swift b/damus/Util/Extensions/KFOptionSetter+.swift
index 5b47a80b..c3597a5f 100644
--- a/damus/Util/Extensions/KFOptionSetter+.swift
+++ b/damus/Util/Extensions/KFOptionSetter+.swift
@@ -52,7 +52,7 @@ extension KFOptionSetter {
     
     func onFailure(fallbackUrl: URL?, cacheKey: String?) -> Self {
         guard let url = fallbackUrl, let key = cacheKey else { return self }
-        let imageResource = Kingfisher.ImageResource(downloadURL: url, cacheKey: key)
+        let imageResource = Kingfisher.KF.ImageResource(downloadURL: url, cacheKey: key)
         let source = imageResource.convertToSource()
         options.alternativeSources = [source]
         
@@ -159,20 +159,25 @@ struct CustomCacheSerializer: CacheSerializer {
     }
 }
 
-class CustomSessionDelegate: SessionDelegate {
-    override func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive response: URLResponse, completionHandler: @escaping (URLSession.ResponseDisposition) -> Void) {
+class CustomSessionDelegate: SessionDelegate, @unchecked Sendable {
+    override func urlSession(
+        _ session: URLSession,
+        dataTask: URLSessionDataTask,
+        didReceive response: URLResponse
+    ) async -> URLSession.ResponseDisposition {
         let contentLength = response.expectedContentLength
         
         // Content-Length header is optional (-1 when missing)
         if (contentLength != -1 && contentLength > MAX_FILE_SIZE) {
-            return super.urlSession(session, dataTask: dataTask, didReceive: URLResponse(), completionHandler: completionHandler)
+            return await super.urlSession(session, dataTask: dataTask, didReceive: URLResponse())
         }
         
-        super.urlSession(session, dataTask: dataTask, didReceive: response, completionHandler: completionHandler)
+        return await super.urlSession(session, dataTask: dataTask, didReceive: response)
     }
 }
 
-class CustomImageDownloader: ImageDownloader {
+
+class CustomImageDownloader: ImageDownloader, @unchecked Sendable {
     
     static let shared = CustomImageDownloader(name: "shared")