diff --git a/Project.toml b/Project.toml
index cff69f3..48e7423 100755
--- a/Project.toml
+++ b/Project.toml
@@ -23,7 +23,7 @@ Downloads = "1"
 GNSSSignals = "3.3"
 Random = "1"
 Test = "1"
-Tracking = "2"
+Tracking = "3"
 Unitful = "1"
 ZipFile = "0.10"
 julia = "1.10"
diff --git a/test/flexiband_iii7a.jl b/test/flexiband_iii7a.jl
index ab8a21f..70276a5 100644
--- a/test/flexiband_iii7a.jl
+++ b/test/flexiband_iii7a.jl
@@ -267,8 +267,8 @@ else
             isempty(l1) && break
             ts = track!(
                 (
-                    l1 = BandMeasurement(l1, III7A_FS, III7A_IF),
-                    l5 = BandMeasurement(l5, III7A_FS_L5, III7A_IF_L5),
+                    L1 = BandMeasurement(l1, III7A_FS, III7A_IF),
+                    L5 = BandMeasurement(l5, III7A_FS_L5, III7A_IF_L5),
                 ),
                 ts,
             )