diff --git a/pom.xml b/pom.xml
index 39c90d969..8a1e6d58d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@
         <typepal.version>0.14.8</typepal.version>
         <salix-core.version>0.2.7</salix-core.version>
         <salix-contrib.version>0.2.7</salix-contrib.version>
-        <rascal-lsp.version>2.21.0</rascal-lsp.version>
+        <rascal-lsp.version>2.21.0-2</rascal-lsp.version>
         <drambiguity.version>0.3.5</drambiguity.version>
         <php-analysis.version>0.2.4</php-analysis.version>
         <python-air.version>0.0.8</python-air.version>
@@ -211,6 +211,7 @@
                             <ignores>
                                 <ignore>|lib://rascal/org/rascalmpl/library/lang/rascal|</ignore>
                                 <ignore>|lib://rascal/org/rascalmpl/library/lang/c90|</ignore>
+                                <ignore>|lib://rascal/org/rascalmpl/library/lang/c90|</ignore>
                             </ignores>
                         </configuration>
                     </execution>