diff --git a/glassfish-jaxb.spec b/glassfish-jaxb.spec
index 25be432..889f100 100644
--- a/glassfish-jaxb.spec
+++ b/glassfish-jaxb.spec
@@ -3,7 +3,7 @@
 
 Name:           glassfish-jaxb
 Version:        2.2.11
-Release:        13%{?dist}
+Release:        14%{?dist}
 Summary:        JAXB Reference Implementation
 
 License:        CDDL-1.1 and GPLv2 with exceptions
@@ -190,6 +190,10 @@ This package contains the API documentation for %{name}.
   <manifestFile>\${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
 </archive>" bundles/core bundles/runtime
 
+# Make javax.activation an optional dep
+%pom_xpath_inject "pom:configuration/pom:instructions" "
+<Import-Package>javax.activation;resolution:=optional,*</Import-Package>" bundles/runtime
+
 # Disable ancient jaxb1 runtime
 %pom_disable_module jaxb1 runtime
 
@@ -291,6 +295,9 @@ rm runtime/impl/src/main/java/com/sun/xml/bind/v2/runtime/output/{FastInfoset,St
 
 
 %changelog
+* Fri May 10 2019 Mat Booth <mat.booth@redhat.com> - 2.2.11-14
+- Make javax.activation an optional dep in OSGi metadata
+
 * Fri May 10 2019 Mat Booth <mat.booth@redhat.com> - 2.2.11-13
 - Add conditional build for reduced dependency set