diff --git a/Auditing/VotingEventEncoding.cs b/Auditing/VotingEventEncoding.cs
index 9090d87..ea45fbd 100644
--- a/Auditing/VotingEventEncoding.cs
+++ b/Auditing/VotingEventEncoding.cs
@@ -7,7 +7,7 @@ namespace Webvoto.VotingSystem.Auditing;
 
 public static class VotingEventEncoding {
 
-	public static readonly int LatestVersion = 4; // itentionally not a const!
+	public static readonly int LatestVersion = 5; // itentionally not a const!
 
 	public static byte[] Encode(VotingEventRecord ve, int version, byte[] lastEventSignature = null)
 		=> Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(getFields(ve, version, lastEventSignature)));
@@ -77,6 +77,14 @@ .. getFields(ve, 3),
 			ve.VoterAddressId?.ToString(),
 		],
 
+		5 => [
+			.. getFields(ve, 4),
+			ve.GeolocationTimestamp?.ToString("u"),
+			ve.GeolocationLatitude?.ToString(),
+			ve.GeolocationLongitude?.ToString(),
+			ve.GeolocationAccuracy?.ToString(),
+		],
+
 		_ => throw new NotImplementedException()
 	};
 }
diff --git a/Auditing/VotingEventRecord.cs b/Auditing/VotingEventRecord.cs
index 007f0fb..3a53c1e 100644
--- a/Auditing/VotingEventRecord.cs
+++ b/Auditing/VotingEventRecord.cs
@@ -85,5 +85,13 @@ public class VotingEventRecord {
 		public Guid? CampaignNotificationId { get; set; }
 		
 		public Guid? VoterAddressId { get; set; }
+
+		public DateTime? GeolocationTimestamp { get; set; }
+
+		public double? GeolocationLatitude { get; set; }
+
+		public double? GeolocationLongitude { get; set; }
+
+		public double? GeolocationAccuracy { get; set; }
 	}
 }
diff --git a/Counter/Csv/CsvReaderBase.cs b/Counter/Csv/CsvReaderBase.cs
index 1e8b01d..2ee1797 100644
--- a/Counter/Csv/CsvReaderBase.cs
+++ b/Counter/Csv/CsvReaderBase.cs
@@ -45,6 +45,8 @@ public IEnumerable<TOutputRecord> GetRecords() {
 
 	protected int? ParseNullableInt(string s) => IsNull(s) ? null : int.Parse(s);
 
+	protected double? ParseNullableDouble(string s) => IsNull(s) ? null : double.Parse(s);
+
 	protected bool? ParseNullableBool(string s) => IsNull(s) ? null : s switch {
 		"0" => false,
 		"1" => true,
diff --git a/Counter/Csv/VotingEventsCsvReader.cs b/Counter/Csv/VotingEventsCsvReader.cs
index 3e86659..4c9692d 100644
--- a/Counter/Csv/VotingEventsCsvReader.cs
+++ b/Counter/Csv/VotingEventsCsvReader.cs
@@ -114,6 +114,19 @@ public class VotingEventCsvRecord {
 	// V4
 	[Optional]
 	public string VoterAddressId { get; set; }
+
+	// V5
+	[Optional]
+	public string GeolocationTimestamp { get; set; }
+
+	[Optional]
+	public string GeolocationLatitude { get; set; }
+
+	[Optional]
+	public string GeolocationLongitude { get; set; }
+
+	[Optional]
+	public string GeolocationAccuracy { get; set; }
 }
 
 public class VotingEventsCsvReader : CsvReaderBase<VotingEventCsvRecord, SignedVotingEventRecord> {
@@ -173,5 +186,9 @@ public static VotingEventsCsvReader Open(FileInfo file) {
 		PasswordId = ParseNullableGuid(r.PasswordId),
 		CampaignNotificationId = ParseNullableGuid(r.CampaignNotificationId),
 		VoterAddressId = ParseNullableGuid(r.VoterAddressId),
+		GeolocationTimestamp = ParseNullableDate(r.GeolocationTimestamp),
+		GeolocationLatitude = ParseNullableDouble(r.GeolocationLatitude),
+		GeolocationLongitude = ParseNullableDouble(r.GeolocationLongitude),
+		GeolocationAccuracy = ParseNullableDouble(r.GeolocationAccuracy)
 	};
 }