diff --git a/liquidjava-verifier/pom.xml b/liquidjava-verifier/pom.xml
index 33f770ab..97482272 100644
--- a/liquidjava-verifier/pom.xml
+++ b/liquidjava-verifier/pom.xml
@@ -257,7 +257,7 @@
 		<version.junit>5.10.0</version.junit>
 		<version.memcompiler>1.3.0</version.memcompiler>
 		<version.commons-text>1.12.0</version.commons-text>
-		<version.spoon>10.4.2</version.spoon>
+		<version.spoon>11.5.0</version.spoon>
 		<version.z3>4.8.17</version.z3>
 		<!-- plugin versions -->
 		<pVersion.compiler>3.8.0</pVersion.compiler>
diff --git a/liquidjava-verifier/src/main/java/liquidjava/api/ComplianceLevel.java b/liquidjava-verifier/src/main/java/liquidjava/api/ComplianceLevel.java
index 90182424..de50562e 100644
--- a/liquidjava-verifier/src/main/java/liquidjava/api/ComplianceLevel.java
+++ b/liquidjava-verifier/src/main/java/liquidjava/api/ComplianceLevel.java
@@ -14,8 +14,8 @@
  */
 public final class ComplianceLevel {
 
-    /** Highest level accepted by Spoon 10.4.2 (JDT 3.33), also used when no pom declares one */
-    public static final int MAX_SUPPORTED = 19;
+    /** Highest level accepted by Spoon 11.5.0 (JDT 3.46), also used when no pom declares one */
+    public static final int MAX_SUPPORTED = 26;
 
     public static int resolve(String... paths) {
         return Arrays.stream(paths).map(path -> fromPom(new File(path).getAbsoluteFile())).flatMap(Optional::stream)