diff --git a/build.gradle.kts b/build.gradle.kts
index bf1321e4..e0ec2a89 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -133,7 +133,9 @@ allprojects {
             }
           }
 
-          from(components.findByName("java"))
+          if (project.name != "generated-antlr") {
+            from(components.findByName("java"))
+          }
         }
       }
     }
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index ae5502ac..5bcb0d23 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -32,7 +32,7 @@ val versionJmh = "1.33"
 val versionJunit = "5.8.1"
 
 dependencies {
-    implementation(project(":generated-antlr"))
+    implementation(project(":generated-antlr", "shadow"))
     api(project(":generated-pb"))
 
     implementation("org.agrona:agrona:$versionAgrona")
diff --git a/core/src/main/java/org/projectnessie/cel/parser/Helper.java b/core/src/main/java/org/projectnessie/cel/parser/Helper.java
index b24567fb..edea6552 100644
--- a/core/src/main/java/org/projectnessie/cel/parser/Helper.java
+++ b/core/src/main/java/org/projectnessie/cel/parser/Helper.java
@@ -33,10 +33,10 @@
 import java.util.List;
 import java.util.Map;
 import org.agrona.collections.LongArrayList;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.Token;
 import org.projectnessie.cel.common.Location;
 import org.projectnessie.cel.common.Source;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.ParserRuleContext;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.Token;
 
 final class Helper {
   private final Source source;
diff --git a/core/src/main/java/org/projectnessie/cel/parser/Parser.java b/core/src/main/java/org/projectnessie/cel/parser/Parser.java
index 81d4e13b..c6287fe3 100644
--- a/core/src/main/java/org/projectnessie/cel/parser/Parser.java
+++ b/core/src/main/java/org/projectnessie/cel/parser/Parser.java
@@ -32,22 +32,6 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import org.antlr.v4.runtime.ANTLRErrorListener;
-import org.antlr.v4.runtime.CommonTokenStream;
-import org.antlr.v4.runtime.DefaultErrorStrategy;
-import org.antlr.v4.runtime.IntStream;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Recognizer;
-import org.antlr.v4.runtime.RuleContext;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.atn.ATNConfigSet;
-import org.antlr.v4.runtime.dfa.DFA;
-import org.antlr.v4.runtime.tree.AbstractParseTreeVisitor;
-import org.antlr.v4.runtime.tree.ErrorNode;
-import org.antlr.v4.runtime.tree.ParseTree;
-import org.antlr.v4.runtime.tree.ParseTreeListener;
-import org.antlr.v4.runtime.tree.TerminalNode;
 import org.projectnessie.cel.common.ErrorWithLocation;
 import org.projectnessie.cel.common.Errors;
 import org.projectnessie.cel.common.Location;
@@ -86,6 +70,22 @@
 import org.projectnessie.cel.parser.gen.CELParser.StringContext;
 import org.projectnessie.cel.parser.gen.CELParser.UintContext;
 import org.projectnessie.cel.parser.gen.CELParser.UnaryContext;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.ANTLRErrorListener;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.CommonTokenStream;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.DefaultErrorStrategy;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.IntStream;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.ParserRuleContext;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.RecognitionException;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.Recognizer;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.RuleContext;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.Token;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.atn.ATNConfigSet;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.dfa.DFA;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.tree.AbstractParseTreeVisitor;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.tree.ErrorNode;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.tree.ParseTree;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.tree.ParseTreeListener;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.tree.TerminalNode;
 
 public final class Parser {
 
@@ -258,18 +258,22 @@ private RecoveryLimitErrorStrategy(int maxAttempts) {
     }
 
     @Override
-    public void recover(org.antlr.v4.runtime.Parser recognizer, RecognitionException e) {
+    public void recover(
+        org.projectnessie.cel.shaded.org.antlr.v4.runtime.Parser recognizer,
+        RecognitionException e) {
       checkAttempts(recognizer);
       super.recover(recognizer, e);
     }
 
     @Override
-    public Token recoverInline(org.antlr.v4.runtime.Parser recognizer) throws RecognitionException {
+    public Token recoverInline(org.projectnessie.cel.shaded.org.antlr.v4.runtime.Parser recognizer)
+        throws RecognitionException {
       checkAttempts(recognizer);
       return super.recoverInline(recognizer);
     }
 
-    void checkAttempts(org.antlr.v4.runtime.Parser recognizer) throws RecognitionException {
+    void checkAttempts(org.projectnessie.cel.shaded.org.antlr.v4.runtime.Parser recognizer)
+        throws RecognitionException {
       if (attempts >= maxAttempts) {
         attempts++;
         String msg = String.format("error recovery attempt limit exceeded: %d", maxAttempts);
@@ -303,7 +307,7 @@ public void syntaxError(
 
     @Override
     public void reportAmbiguity(
-        org.antlr.v4.runtime.Parser recognizer,
+        org.projectnessie.cel.shaded.org.antlr.v4.runtime.Parser recognizer,
         DFA dfa,
         int startIndex,
         int stopIndex,
@@ -315,7 +319,7 @@ public void reportAmbiguity(
 
     @Override
     public void reportAttemptingFullContext(
-        org.antlr.v4.runtime.Parser recognizer,
+        org.projectnessie.cel.shaded.org.antlr.v4.runtime.Parser recognizer,
         DFA dfa,
         int startIndex,
         int stopIndex,
@@ -326,7 +330,7 @@ public void reportAttemptingFullContext(
 
     @Override
     public void reportContextSensitivity(
-        org.antlr.v4.runtime.Parser recognizer,
+        org.projectnessie.cel.shaded.org.antlr.v4.runtime.Parser recognizer,
         DFA dfa,
         int startIndex,
         int stopIndex,
diff --git a/core/src/main/java/org/projectnessie/cel/parser/StringCharStream.java b/core/src/main/java/org/projectnessie/cel/parser/StringCharStream.java
index 1ab47f5a..bc29ec06 100644
--- a/core/src/main/java/org/projectnessie/cel/parser/StringCharStream.java
+++ b/core/src/main/java/org/projectnessie/cel/parser/StringCharStream.java
@@ -15,9 +15,9 @@
  */
 package org.projectnessie.cel.parser;
 
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.IntStream;
-import org.antlr.v4.runtime.misc.Interval;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.CharStream;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.IntStream;
+import org.projectnessie.cel.shaded.org.antlr.v4.runtime.misc.Interval;
 
 public final class StringCharStream implements CharStream {
 
diff --git a/generated-antlr/build.gradle.kts b/generated-antlr/build.gradle.kts
index f88521a9..aa23fe10 100644
--- a/generated-antlr/build.gradle.kts
+++ b/generated-antlr/build.gradle.kts
@@ -14,14 +14,17 @@
  * limitations under the License.
  */
 
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+
 plugins {
     `java-library`
     antlr
     `maven-publish`
     signing
+    id("com.github.johnrengelman.shadow")
 }
 
-val versionAntlr = "4.8"
+val versionAntlr = "4.9.2"
 
 dependencies {
     antlr("org.antlr:antlr4:$versionAntlr") // TODO remove from runtime-classpath *sigh*
@@ -32,3 +35,26 @@ dependencies {
 tasks.named<Jar>("sourcesJar") {
     dependsOn(tasks.named("generateGrammarSource"))
 }
+
+tasks.named<Jar>("jar") {
+    archiveClassifier.set("raw")
+}
+
+tasks.named<ShadowJar>("shadowJar") {
+    // The antlr-plugin should ideally do this
+    dependsOn(tasks.named("generateGrammarSource"))
+
+    dependencies {
+        include(dependency("org.antlr:antlr4-runtime"))
+    }
+    relocate("org.antlr.v4.runtime", "org.projectnessie.cel.shaded.org.antlr.v4.runtime")
+    archiveClassifier.set("")
+}
+
+publishing {
+    publications {
+        getByName<MavenPublication>("maven") {
+            project.shadow.component(this)
+        }
+    }
+}
\ No newline at end of file
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 4f871b21..d32eab63 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -25,7 +25,7 @@ pluginManagement {
     id("org.jetbrains.gradle.plugin.idea-ext") version "1.0"
     id("com.google.protobuf") version "0.8.16"
     id("me.champeau.jmh") version "0.6.5"
-    id("com.github.johnrengelman.shadow") version "7.0.0"
+    id("com.github.johnrengelman.shadow") version "7.1.0"
     id("org.caffinitas.gradle.aggregatetestresults") version "0.1"
     id("org.caffinitas.gradle.testsummary") version "0.1.1"
     id("org.caffinitas.gradle.testrerun") version "0.1"