diff --git a/DP3TApp.xcodeproj/project.pbxproj b/DP3TApp.xcodeproj/project.pbxproj
index 391240525..bc2789108 100644
--- a/DP3TApp.xcodeproj/project.pbxproj
+++ b/DP3TApp.xcodeproj/project.pbxproj
@@ -2679,7 +2679,7 @@
 			isa = XCRemoteSwiftPackageReference;
 			repositoryURL = "https://github.com/DP-3T/dp3t-sdk-ios.git";
 			requirement = {
-				branch = develop;
+				branch = "bugfix/threading-fixes";
 				kind = branch;
 			};
 		};
diff --git a/DP3TApp.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/DP3TApp.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index 51d1393c2..6439d503c 100644
--- a/DP3TApp.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/DP3TApp.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -32,8 +32,8 @@
         "package": "DP3TSDK",
         "repositoryURL": "https://github.com/DP-3T/dp3t-sdk-ios.git",
         "state": {
-          "branch": "develop",
-          "revision": "1f96ea76be63678432b719d9bac3c45aa167ef39",
+          "branch": "bugfix/threading-fixes",
+          "revision": "22ffdfad856e9e4d0b71f952168f3e32006f5419",
           "version": null
         }
       },