diff --git a/legend-shared-pac4j/pom.xml b/legend-shared-pac4j/pom.xml
index 047cacb..205dce4 100644
--- a/legend-shared-pac4j/pom.xml
+++ b/legend-shared-pac4j/pom.xml
@@ -38,10 +38,6 @@
             <groupId>org.pac4j</groupId>
             <artifactId>dropwizard-pac4j</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.commonjava.mimeparse</groupId>
-            <artifactId>mimeparse</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
diff --git a/legend-shared-pac4j/src/main/java/org/finos/legend/server/pac4j/internal/AcceptHeaderAjaxRequestResolver.java b/legend-shared-pac4j/src/main/java/org/finos/legend/server/pac4j/internal/AcceptHeaderAjaxRequestResolver.java
index 76cf928..7753bc1 100644
--- a/legend-shared-pac4j/src/main/java/org/finos/legend/server/pac4j/internal/AcceptHeaderAjaxRequestResolver.java
+++ b/legend-shared-pac4j/src/main/java/org/finos/legend/server/pac4j/internal/AcceptHeaderAjaxRequestResolver.java
@@ -16,12 +16,17 @@
 
 import com.google.common.base.Strings;
 import com.google.common.net.HttpHeaders;
-import com.google.common.net.MediaType;
-import java.util.Collections;
-import org.commonjava.mimeparse.MIMEParse;
+
+import java.text.ParseException;
+import java.util.List;
+
+import org.glassfish.jersey.message.internal.AcceptableMediaType;
+import org.glassfish.jersey.message.internal.HttpHeaderReader;
 import org.pac4j.core.context.WebContext;
 import org.pac4j.core.http.ajax.DefaultAjaxRequestResolver;
 
+import javax.ws.rs.core.MediaType;
+
 public class AcceptHeaderAjaxRequestResolver extends DefaultAjaxRequestResolver
 {
   @Override
@@ -32,8 +37,30 @@ public boolean isAjax(WebContext context)
     {
       return true;
     }
-    String mimeType = MIMEParse.bestMatch(Collections.singleton(MediaType.HTML_UTF_8.toString()),
-        acceptHeader);
-    return Strings.isNullOrEmpty(mimeType);
+    String mimeType = mimeParseBestMatch(acceptHeader);
+      return Strings.isNullOrEmpty(mimeType);
+  }
+
+  private String mimeParseBestMatch(String acceptHeader)
+  {
+    List<AcceptableMediaType> requested;
+    try
+    {
+      requested = HttpHeaderReader.readAcceptMediaType(acceptHeader);
+      requested.sort(AcceptableMediaType.COMPARATOR);
+    }
+    catch (ParseException e)
+    {
+      return "";
+    }
+    MediaType supported = new MediaType("text", "html", "utf-8");
+    for (AcceptableMediaType req : requested)
+    {
+      if (req.isCompatible(supported))
+      {
+        return supported.toString();
+      }
+    }
+    return "";
   }
 }
diff --git a/pom.xml b/pom.xml
index 12b31ab..6da2864 100644
--- a/pom.xml
+++ b/pom.xml
@@ -62,7 +62,6 @@
         <jetty.version>9.4.44.v20210927</jetty.version>
         <junit.version>4.13.1</junit.version>
         <slf4j.version>1.7.36</slf4j.version>
-        <mimeparse.version>0.1.3.3</mimeparse.version>
         <mockwebserver.version>4.9.0</mockwebserver.version>
         <mockito.version>3.5.10</mockito.version>
         <mongo.driver.version>5.3.1</mongo.driver.version>
@@ -648,17 +647,6 @@
                 <artifactId>nimbus-jose-jwt</artifactId>
                 <version>${nimbus.jwt.version}</version>
             </dependency>
-            <dependency>
-                <groupId>org.commonjava.mimeparse</groupId>
-                <artifactId>mimeparse</artifactId>
-                <version>${mimeparse.version}</version>
-                <exclusions>
-                    <exclusion>
-                        <groupId>commons-lang</groupId>
-                        <artifactId>commons-lang</artifactId>
-                    </exclusion>
-                </exclusions>
-            </dependency>
             <dependency>
                 <groupId>org.eclipse.jetty</groupId>
                 <artifactId>jetty-http</artifactId>