diff --git a/scripts/build/ios-appstore.sh b/scripts/build/ios-appstore.sh
index c7b5bf0b3..1cafb0e23 100755
--- a/scripts/build/ios-appstore.sh
+++ b/scripts/build/ios-appstore.sh
@@ -27,14 +27,12 @@ fi
 
 # Build and sign app
 echo "Building and signing app..."
-seconds_since_epoch=$(date +%s)
 xcodebuild archive \
     GIT_SHA="$git_sha" \
     CODE_SIGN_STYLE=Manual \
     CODE_SIGN_IDENTITY="$code_sign_identity" \
     APP_PROFILE_ID="$app_profile_id" \
     NE_PROFILE_ID="$ne_profile_id" \
-    CURRENT_PROJECT_VERSION="$seconds_since_epoch" \
     -project "$project_file" \
     -skipMacroValidation \
     -archivePath "$archive_path" \
diff --git a/scripts/build/macos-appstore.sh b/scripts/build/macos-appstore.sh
index 65561357f..4c2825cf8 100755
--- a/scripts/build/macos-appstore.sh
+++ b/scripts/build/macos-appstore.sh
@@ -27,7 +27,6 @@ fi
 
 # Build and sign
 echo "Building and signing app..."
-seconds_since_epoch=$(date +%s)
 xcodebuild build \
     GIT_SHA="$git_sha" \
     CODE_SIGN_STYLE=Manual \
@@ -36,7 +35,6 @@ xcodebuild build \
     APP_PROFILE_ID="$app_profile_id" \
     NE_PROFILE_ID="$ne_profile_id" \
     ONLY_ACTIVE_ARCH=NO \
-    CURRENT_PROJECT_VERSION="$seconds_since_epoch" \
     -project "$project_file" \
     -skipMacroValidation \
     -configuration Release \
diff --git a/scripts/build/macos-standalone.sh b/scripts/build/macos-standalone.sh
index 4bfbdfe68..32656c22c 100755
--- a/scripts/build/macos-standalone.sh
+++ b/scripts/build/macos-standalone.sh
@@ -31,7 +31,6 @@ fi
 
 # Build and sign
 echo "Building and signing app..."
-seconds_since_epoch=$(date +%s)
 xcodebuild build \
     GIT_SHA="$git_sha" \
     CODE_SIGN_STYLE=Manual \
@@ -43,7 +42,6 @@ xcodebuild build \
     APP_PROFILE_ID="$app_profile_id" \
     NE_PROFILE_ID="$ne_profile_id" \
     ONLY_ACTIVE_ARCH=NO \
-    CURRENT_PROJECT_VERSION="$seconds_since_epoch" \
     -project "$project_file" \
     -skipMacroValidation \
     -configuration Release \
diff --git a/swift/apple/.gitignore b/swift/apple/.gitignore
index 2f0538dcc..bcaa61f6e 100644
--- a/swift/apple/.gitignore
+++ b/swift/apple/.gitignore
@@ -4,3 +4,4 @@ build/
 DerivedData/
 xcuserdata/
 **/*.xcuserstate
+Firezone/xcconfig/dynamic_build_number.xcconfig
diff --git a/swift/apple/Firezone.xcodeproj/project.pbxproj b/swift/apple/Firezone.xcodeproj/project.pbxproj
index e3805cf31..894226e6d 100644
--- a/swift/apple/Firezone.xcodeproj/project.pbxproj
+++ b/swift/apple/Firezone.xcodeproj/project.pbxproj
@@ -303,6 +303,7 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = 8DCC024328D512AE007E12D2 /* Build configuration list for PBXNativeTarget "Firezone" */;
 			buildPhases = (
+				8D40C0B72DD1335C00ACF8D7 /* Generate build number */,
 				8DCC021528D512AC007E12D2 /* Sources */,
 				8D70FAE62D4971E900216473 /* SwiftLint */,
 				8DCC021628D512AC007E12D2 /* Frameworks */,
@@ -400,6 +401,25 @@
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXShellScriptBuildPhase section */
+		8D40C0B72DD1335C00ACF8D7 /* Generate build number */ = {
+			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = "Generate build number";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "# Set the project (build) version to the current epoch so that it monotonically increases\nseconds_since_epoch=$(date +%s)\necho \"CURRENT_PROJECT_VERSION = $seconds_since_epoch\" > Firezone/xcconfig/dynamic_build_number.xcconfig\n";
+		};
 		8D70FAE62D4971E900216473 /* SwiftLint */ = {
 			isa = PBXShellScriptBuildPhase;
 			alwaysOutOfDate = 1;
diff --git a/swift/apple/Firezone/xcconfig/config.xcconfig b/swift/apple/Firezone/xcconfig/config.xcconfig
index 2e00b9d89..4669129d5 100644
--- a/swift/apple/Firezone/xcconfig/config.xcconfig
+++ b/swift/apple/Firezone/xcconfig/config.xcconfig
@@ -6,4 +6,6 @@ APP_GROUP_ID_PRE_1_4_0[sdk=macosx*] = 47R2M6779T.group.dev.firezone.firezone
 APP_GROUP_ID[sdk=iphoneos*] = group.dev.firezone.firezone
 APP_GROUP_ID_PRE_1_4_0[sdk=iphoneos*] = group.dev.firezone.firezone
 CODE_SIGN_STYLE = Automatic
-CURRENT_PROJECT_VERSION = 0
+
+// Include the dynamic build number created during the build phase
+#include? "dynamic_build_number.xcconfig"