diff --git a/build.gradle b/build.gradle
index 9763b0c..22c361c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,8 +30,8 @@ android {
         applicationId "org.billthefarmer.scope"
         minSdkVersion 23
         targetSdkVersion 30
-        versionCode 137
-        versionName "1.37"
+        versionName "1.38"
+        versionCode 138
         buildConfigField "long", "BUILT", System.currentTimeMillis() + "L"
     }
 
diff --git a/fastlane/metadata/android/en-GB/changelog/138.txt b/fastlane/metadata/android/en-GB/changelog/138.txt
new file mode 100644
index 0000000..fb40359
--- /dev/null
+++ b/fastlane/metadata/android/en-GB/changelog/138.txt
@@ -0,0 +1 @@
+ * Add THD calculation