diff --git a/pdfbox-use-system-liberation-font.patch b/pdfbox-use-system-liberation-font.patch
index 1b29d6f..493861c 100644
--- a/pdfbox-use-system-liberation-font.patch
+++ b/pdfbox-use-system-liberation-font.patch
@@ -120,3 +120,17 @@ diff -up pdfbox-2.0.16/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/FontM
          raf.close();
          raf.close();
      }
+--- ./preflight/pom.xml.orig	2020-08-08 16:04:30.003062277 +0100
++++ ./preflight/pom.xml	2020-08-08 16:04:39.843125083 +0100
+@@ -46,11 +46,6 @@
+                         <artifactId>jaxb-api</artifactId>
+                         <scope>provided</scope>
+                     </dependency>
+-                    <dependency>
+-                        <groupId>javax.activation</groupId>
+-                        <artifactId>activation</artifactId>
+-                        <scope>provided</scope>
+-                    </dependency>
+                 </dependencies>
+             </profile>
+         </profiles>
diff --git a/pdfbox.spec b/pdfbox.spec
index a2d2b19..692682f 100644
--- a/pdfbox.spec
+++ b/pdfbox.spec
@@ -21,6 +21,8 @@ BuildRequires:  mvn(org.apache:apache:pom:)
 BuildRequires:  mvn(org.apache.felix:maven-bundle-plugin)
 BuildRequires:  mvn(org.bouncycastle:bcmail-jdk15on)
 BuildRequires:  mvn(org.bouncycastle:bcprov-jdk15on)
+BuildRequires:  mvn(javax.xml.bind:jaxb-api)
+#BuildRequires:  mvn(javax.activation:activation)
 
 BuildRequires: dejavu-sans-mono-fonts
 BuildRequires: google-noto-emoji-fonts