diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/VersionUtilities.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/VersionUtilities.java
index bd8de316f..27470a4cd 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/VersionUtilities.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/VersionUtilities.java
@@ -170,4 +170,28 @@ public class VersionUtilities {
     return ok;
   }
 
+  public static String incMajorVersion(String v) {
+    assert isSemVer(v);
+    int[] parts = splitParts(v);
+    return Integer.toString(parts[0]+1)+".0.0";
+  }
+
+  public static String incMinorVersion(String v) {
+    assert isSemVer(v);
+    int[] parts = splitParts(v);
+    return Integer.toString(parts[0])+"."+Integer.toString(parts[1]+1)+".0";
+  }
+
+  public static String incPatchVersion(String v) {
+    assert isSemVer(v);
+    int[] parts = splitParts(v);
+    return Integer.toString(parts[0])+"."+Integer.toString(parts[1])+"."+Integer.toString(parts[2]+1);
+  }
+
+  private static int[] splitParts(String v) {
+    String[] p = v.split("\\.");
+    int[] i = new int[] {Integer.parseInt(p[0]),Integer.parseInt(p[1]),Integer.parseInt(p[2])};
+    return i;
+  }
+
 }
diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/json/JSONUtil.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/json/JSONUtil.java
index 301574ea7..425fffef9 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/json/JSONUtil.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/json/JSONUtil.java
@@ -77,6 +77,11 @@ public class JSONUtil {
     return e == null || e instanceof JsonNull ? null : e.getAsString();
   }
 
+  public static boolean bool(JsonObject json, String name) {
+    JsonElement e = json.get(name);
+    return e == null || e instanceof JsonNull ? false : e.getAsBoolean();
+  }
+
   public static String str(JsonObject json, String name1, String name2) {
     JsonElement e = json.get(name1);
     if (e == null)