diff --git a/Package.swift b/Package.swift
index 165d864..34120f2 100644
--- a/Package.swift
+++ b/Package.swift
@@ -9,8 +9,8 @@ import PackageDescription
 let targets: [Target] = [
     .binaryTarget(
         name: "Turf",
-        url: "https://github.com/mapbox/turf-swift/releases/download/v3.1.0/Turf.xcframework.zip",
-        checksum: "ccc9517866a15f123377e6554953a369e791a1b2cf6ad13ea11f0123dab38be8"
+        url: "https://github.com/mapbox/turf-swift/releases/download/v4.0.0-beta.1/Turf.xcframework.zip",
+        checksum: "37f2ed8a5485fe295b9ca8faf63ae55b8cebed50af7e9aaa0aac0c5903b23295"
     )
 ]
 #else
diff --git a/Sources/Turf/Info.plist b/Sources/Turf/Info.plist
index 15efe04..4d86574 100644
--- a/Sources/Turf/Info.plist
+++ b/Sources/Turf/Info.plist
@@ -15,9 +15,9 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>3.1.0</string>
+	<string>4.0.0</string>
 	<key>CFBundleVersion</key>
-	<string>33</string>
+	<string>34</string>
 	<key>NSPrincipalClass</key>
 	<string></string>
 </dict>
diff --git a/Tests/TurfTests/Info.plist b/Tests/TurfTests/Info.plist
index 126b9c7..7b95125 100644
--- a/Tests/TurfTests/Info.plist
+++ b/Tests/TurfTests/Info.plist
@@ -15,8 +15,8 @@
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>3.1.0</string>
+	<string>4.0.0</string>
 	<key>CFBundleVersion</key>
-	<string>33</string>
+	<string>34</string>
 </dict>
 </plist>
diff --git a/Turf.podspec b/Turf.podspec
index 722b2c3..b0b024a 100644
--- a/Turf.podspec
+++ b/Turf.podspec
@@ -3,7 +3,7 @@ Pod::Spec.new do |s|
   # ―――  Spec Metadata  ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
 
   s.name = "Turf"
-  s.version = "3.1.0"
+  s.version = "4.0.0-beta.1"
   s.summary = "Simple spatial analysis."
   s.description = "A spatial analysis library written in Swift for native iOS, macOS, tvOS, watchOS, visionOS, and Linux applications, ported from Turf.js."
 
diff --git a/Turf.xcodeproj/project.pbxproj b/Turf.xcodeproj/project.pbxproj
index 290a999..6146e82 100644
--- a/Turf.xcodeproj/project.pbxproj
+++ b/Turf.xcodeproj/project.pbxproj
@@ -495,7 +495,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 33;
+				CURRENT_PROJECT_VERSION = 34;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -567,7 +567,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 33;
+				CURRENT_PROJECT_VERSION = 34;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
@@ -604,7 +604,7 @@
 				DEAD_CODE_STRIPPING = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 33;
+				DYLIB_CURRENT_VERSION = 34;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = Sources/Turf/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@@ -627,7 +627,7 @@
 				DEAD_CODE_STRIPPING = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 33;
+				DYLIB_CURRENT_VERSION = 34;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = Sources/Turf/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";